Pontiac 428 engine specs

1967 yy 428 360 m 4 emm full 1967 wj 428 376 (exh) 1967 xk 428 376 m 4 emm & 2+2 (exh) 1967 y3 428 376 a 4 full (exh) 1967 yh 428 376 a 4 full 1967 yk 428 376 a 4 2+2 (exh) 1967 wl 428 a 4 emmisions 1967 yv 428 m 4 emm & 2+2 1967 ws 428 m 4 Feb 20, 2015 · Available in myriad standard and overbore sizes, and in a flat-top design with a valve pocket displacement of 4 to 5 cc, or a dished crown ranging from 10 to 30 cc to reduce compression, ICON pistons are constructed of a low-silicon alloy aluminum for maximum endurance and reduced drag. ROCHESTER QUADRAJET 7028267 1968 PONTIAC GTO 400-428 HIGH OUTPUT 4 SPEED ENGINES. Refurbished. C $2,525.29. or Best Offer. +C $100.32 shipping. from United States.Mar 05, 2019 · The Order Process Returning to McKenzie Pontiac in December 1968, Butch began the order process for a new ’69 Grand Prix. “I wanted the performance-oriented SJ package because it contained the 428 engine, and I opted for the 428 H.O. over the base offering. Mar 29, 2017 · Preparation: SD Performance 250-cfm CNC-Ported Head package. Combustion Chamber Volume: Verify original chamber volume; pistons should be matched to chamber size to achieve 9.25 to 9.5:1 compression. Compression Ratio: 9.25 to 9.5:1. Suggested Airflow at 28 inches: At least 250 cfm at .550- inch lift. Feb 28, 2013 · The Pontiac GTO Ram Air V's engine is a naturally aspirated petrol, 6.5 litre, overhead valve 8 cylinder with 2 valves per cylinder. This unit develops 425 bhp (431 PS/317 kW) of power. 1969 Pontiac GTO Ram Air V specifications Pontiac Factory Cam Specs - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! PONTIAC POWER RULES ! ! ! Pontiac Factory Cam Specs ... 1978 std engine-274-.374".410"-274-.374".410" 527471: 1956-62 3/2bbl: 6: 283: 112.407".447" 60: 293: 116.407".447" 524886: 1963-64 421 HO: L: 293: 113 ...Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic in 1969 the model with 4-door hardtop sedan body and V-8 6995 cm3 / 426.9 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1968 for North America . Specifications listing with the performance factory ... A # 4 is 91 cc's (Installed on both 350's and 400's) A # 8 is 98/101 cc's (400) A # 11 is 114 cc's (455) As far as I have seen all these heads came with 2.11/1.66 valves The 4X head was installed...Pair 1975-77 LeMans, Grand Am Pontiac V8 Engine Mount Brackets $155. Great condition. #496858 & 496859. Pair 1977 LeMans 350 Olds V8 Engine Frame Stands $45. Great condition. Fits other years. ... 1967 Pontiac 400 & 428 V8 Quadrajet Carburetor sold. Great condition. #7037262 2161. Email for extra images. 1970 Pontiac 400 (YS) ...Pontiac catalina, 1965-67 v8 389/400/421/428 aluminum radiator pontiac 428 engine wiring. ... Topless67 1967 Pontiac Firebird Specs, Photos, Modification Info At www.cardomain.com. firebird 1967 pontiac ride cardomain load specs follow [LR_8609] 1977 Ford 400 V8 Engine Diagram Schematic WiringLook at the handheld when the idle is steady at this target idle speed. If you had to move the throttle very much you may have pushed it into a region where the IAC Hold Position value was activated since this is initiated at a certain TPS value. Turn off the engine and restart so that the TPS Autoset is performed.1968 Pontiac Bonneville Convertible (428 4-speed & more) | Fiore Motors. (516) 586-6536. 445 Winding Road, Old Bethpage, NY, 11804. HOME.This is a quick block ID for junk yard hunting, etc. You must find the date code at the back LH side of the block first. The letter is the month, next 2 digits are the day and the last digit is the year. Here are 2examples: A249 code "XE". A = January - 24 is the 24th day - and 9 is 1969. The block is a 69 428.428 pontiac engine February 05, 2005 06:06AM Registered: 16 years ago Posts: 1 Have a 64 with 428cu.in. engine installed by dealer in 1967, what are the spec on this engine if in stock form? ... I can fax you the engine specifications as published in motors circa 1968 thru 1974. 1968 375 hp V8-428 4 bbl 4.120x4.00 10.50 375 @ 4800 445 @3600 ...Dec 04, 2006 · The XF-code 428 four-bolt main block is home to a cast crank, rods, and pistons. Ignition is Delco single-point, and the exhaust is handled by standard log manifolds and dual pipes and mufflers.... The last year Pontiac had an official "Police Package" was 1978. It was that year that they out sold Chevrolet in police cars and General Motors said that would never happen again. And the General in 1979 cut out Pontiac's Police package so if a department did want to get a car, they either had to pay a lot more or get a Chevrolet.Sep 23, 2006 · Stock Pontiac Engine Specs. Year. Displacement (CID) Bore (Inches) Stroke (Inches) Mains (Inches) 1955. 287. 3.75. Horsepower: Cubic Inches: Trans: Code: Compression: Cam: Heads: Carb: Year: 215: 389: M: 02B: 8.6: 111: 543796: 2: 64: 215: 389: M: 02B: 8.6: 111: 543796: 2: 64: NA ...Pontiac V8 Engine Tune Up Specifications. Engine Year Info Spark Plug Plug Gap Point Gap Dwell Angle Timing (BTDC) ... With A/C Off, Engine Hot: 428: 1967: W/O AIR ... The Centroid 4 Axis B4250 block machining center in 2010 was next then as well as another in 2014. This allows us to be as good as any and better than most when building a Pontiac or any other make of engines. 40 years of Pontiac work qualifies us as one of the best places to purchase your re-manufactured or new Pontiac street or strip engine. Feb 20, 2015 · Available in myriad standard and overbore sizes, and in a flat-top design with a valve pocket displacement of 4 to 5 cc, or a dished crown ranging from 10 to 30 cc to reduce compression, ICON pistons are constructed of a low-silicon alloy aluminum for maximum endurance and reduced drag. View the Pontiac Engine Torque Specifications for engine repairs and rebuilds. Every torque specification should be in this table, however if there is one missing, please Contact Me and I will get you the spec and add it to the table. This chart covers Pontiac V8 Engines; 265, 301, 326, 350, 389, 400, 421, 428, 455 cu in. Location. Year. Ft-Lbs. Engine type: Pontiac V8 428 Cu: Displacement: 7.0 l (428 ci / 7014 cc) Power: 380 ps (375 ... Because the 428 was used only in large cars like the GTO and Firebird and featured prominently in NASCAR stock cars, it was quickly replaced by the Pontiac 455 in 1970. The higher output 428 engines featured 1.91 inch valves and a 1.66 inch exhaust. Engine Specifications 1967-1969 with 4-Barrel Carb venus bay caravan park reviews A 428 engine shares the 4.120-inch bore of a 400. You use a standard bore 428 piston when using a 421/428 crank in a 400 block, so you can end up with the proper deck height, just as you do when using the 455 piston on a 455 crank. I haven’t singled out the 421 engine because most guys use the 1967 or later 14-degree valve angle cylinder head. 1967 1968 1969 1970 1971 1972 FIREBIRD GTO LEMANS TEMPEST CATALINA BONNEVILLE GRAND PRIX TRANS AM FORMULA VENTURA EXECUTIVE PONTIAC 326 350 400 428 455 MOTORWhether your vehicle is a GTO, Fire Bird, Trans Am, Lemans, or a timeless classic, here at Proformance Unlimited we are here to help design and build the eng... Dec 04, 2006 · The XF-code 428 four-bolt main block is home to a cast crank, rods, and pistons. Ignition is Delco single-point, and the exhaust is handled by standard log manifolds and dual pipes and mufflers.... In 1969, Pontiac also offered the new Grand Prix as an SJ model, an option package that combined niceties including automatic level control, power front disc brakes and a four-pinion differential in the rear axle, in addition to the 428-cu.in Pontiac V-8 with up to 390 available horsepower. Combine one of these SJs from 1969 with a four-speed ...What is apparent is that while Pontiac had policies and specifications, both seemed to fluctuate as need be to build engines and place them in passenger cars. Chamber size of heads is given as an approximate CC as is static compression. When examining any Pontiac head today it requires an open mind.Pontiac catalina, 1965-67 v8 389/400/421/428 aluminum radiator pontiac 428 engine wiring. ... Topless67 1967 Pontiac Firebird Specs, Photos, Modification Info At www.cardomain.com. firebird 1967 pontiac ride cardomain load specs follow [LR_8609] 1977 Ford 400 V8 Engine Diagram Schematic WiringWhether your vehicle is a GTO, Fire Bird, Trans Am, Lemans, or a timeless classic, here at Proformance Unlimited we are here to help design and build the eng... Engine type: Pontiac V8 428 Cu: Displacement: 7.0 l (428 ci / 7014 cc) Power: 380 ps (375 ... You need between 88 and 90 CCs for a 428 to have pump-gas "friendy" capability. With the stock pistons, the chamber should be around 80-82. 6X-4s have become popular for the 4" stroke engines, as folks learn they're a bit too "small" for 455-plus engines. The 6Xs respond well to port work, too.428 pontiac engine February 05, 2005 06:06AM Registered: 16 years ago Posts: 1 Have a 64 with 428cu.in. engine installed by dealer in 1967, what are the spec on this engine if in stock form? ... I can fax you the engine specifications as published in motors circa 1968 thru 1974. 1968 375 hp V8-428 4 bbl 4.120x4.00 10.50 375 @ 4800 445 @3600 ...Dec 04, 2006 · 1969 428 Pontiac Grand Prix SJ - Banished Brute ... This engine features a Q-jet carb on a cast-iron dual-plane intake manifold. The heads are casting number 62 and are fitted with 2.11/1.77 ... Feb 19, 2015 · From 1959 on, engines displacing between 326 and 400 inches contained a main journal diameter of 3 inches, while 421-, 428-, and 455-ci engines featured 3.25-inch journals. The main bearing caps are fastened to the block by two large bolts in most instances and located by dowel pins to prevent the caps from wandering during high-speed operation. Both the 389 and 421 engines received a bore increase to 4.12 inches, which resulted in new engine displacements of 400 and 428 cid. In addition, the block received new cylinder heads with completely redesigned ports. Valve diameters were increased to 2.11 inches for intakes and 1.77 inches for exhaust.The early high-performance crankshafts as used in certain 390-, all 406-, and early 427-ci engines are referred to as "high-nodular" iron cranks and feature grooved bearing journals for additional lubrication. The 428-ci FE engines shared their 3.98-inch stroke with the 410-ci FE series engines used in Mercury vehicles.Antique Cars Classics Customs Hotrods Leadsleds Roadsters Streetrods Trucks Turbine Car 40 31 Ford 67 Pontiac Charger 61 Chrysler Images Specs Pictures Photos Photographs Gifs Jpgs Events Schedule Vendors Forum ... - - Back - - Home > Specs > Pontiac 1960s General Specs : Engine |engine|chassis| Year: Engine: Carb: Bore and Stroke: Piston Dis ...1969 Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic (268.5 kW / 365 PS / 360 hp) (since September 1968 for North America ) specs review (click on photo to view enlarged pictures gallery) 1969 Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic (aut. Feb 19, 2015 · The 421 H.O. seemed to be a natural fit for the new GTO, but GM’s power-toweight- ratio standards limited maximum engine size to just 389, so Pontiac simply created a 348-hp 389 using components familiar to the 421 H.O. DeLorean Promoted John DeLorean was promoted from the position of Chief Engineer to General Manager in 1965. On 1968-69 428 blocks you will find "428" stamped between the freeze plugs. On blocks produced in 1970 and after, you will find 350, 400, or 455 stamped towards the left side of the front of the block. There is no displacement stamp for 421, 389 or 326 blocks. Pontiac Date Code on the Cylinder head Reggie Horning. flats to rent in neath private landlords A # 4 is 91 cc's (Installed on both 350's and 400's) A # 8 is 98/101 cc's (400) A # 11 is 114 cc's (455) As far as I have seen all these heads came with 2.11/1.66 valves The 4X head was installed...The Centroid 4 Axis B4250 block machining center in 2010 was next then as well as another in 2014. This allows us to be as good as any and better than most when building a Pontiac or any other make of engines. 40 years of Pontiac work qualifies us as one of the best places to purchase your re-manufactured or new Pontiac street or strip engine. Pontiac Factory Cam Specs - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! PONTIAC POWER RULES ! ! ! Pontiac Factory Cam Specs ... 1978 std engine-274-.374".410"-274-.374".410" 527471: 1956-62 3/2bbl: 6: 283: 112.407".447" 60: 293: 116.407".447" 524886: 1963-64 421 HO: L: 293: 113 ...Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville Convertible 428 V-8 4-bbl Hydra-Matic (aut. 3) in 1967, the model with 2-door convertible body and V-8 6998 cm3 / 427 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1966 for North America U.S.. The 428 engine in Jim Taylor's 1964 GTO runs three deuces and is nitrous fed when appropriate. Jim is the original owner of this "hot rod" GTO that sports a "shaker hood" styled scoop. It is a '60s Fiberglass Trends hood scoop that is molded to the hood. The scoop really sets it apart from the appearance of all the traditional '64s.Single-Turbo 5.9L Cummins Engine Sep 07, 2022 Turbocharged 6.0L Powerstroke Engine Aug 31, 2022 Compound-Turbo VP44 5.9L Cummins Engine Aug 24, 2022 1952 Chevy with a 6.7L Aug 17, 2022 Single-Turbo 6.7L Cummins Pro Mod Aug 10, 2022 Twin-Turbo LML Duramax Dragster Engine Aug 03, 2022 Iron Rod - a 1947 Jul 27, 2022 Eric Merchant's Compound Turbo LMLA 428 engine shares the 4.120-inch bore of a 400. You use a standard bore 428 piston when using a 421/428 crank in a 400 block, so you can end up with the proper deck height, just as you do when using the 455 piston on a 455 crank. I haven't singled out the 421 engine because most guys use the 1967 or later 14-degree valve angle cylinder head.A 428 was cast on the side of the block and in the lifter valley was a 28. The transfer lug or pyramid at the rear of the block to the passenger's side of the distributor hole. The 389 and 400 blocks will not have this lug. The 326, 350, 421, 428 and 455 blocks will have the transfer lug. Squablow, Feb 7, 2007.Royal Pontiac, located in Royal Oak, Michigan, offered a 428/Royal Bobcat conversion of the 1968 GTO. For $650.00. a 390 horsepower 428 cubic engine was installed in place of the 400 cubic engine. The 428 CI engine was disassembled and blueprinted to produce more than the advertised factory 390 horsepower and easily spinning to 5700 RPM's. This 428 will be turning heads and swooning damsels with its almighty 654.9 ft lbs of torque and 630 horses to help it run free on the road.View the Pontiac Engine Torque Specifications for engine repairs and rebuilds. Every torque specification should be in this table, however if there is one missing, please Contact Me and I will get you the spec and add it to the table. This chart covers Pontiac V8 Engines; 265, 301, 326, 350, 389, 400, 421, 428, 455 cu in. Location. Year. Ft-Lbs..The 428 engine in Jim Taylor's 1964 GTO runs three deuces and is nitrous fed when appropriate. Jim is the original owner of this "hot rod" GTO that sports a "shaker hood" styled scoop. It is a '60s Fiberglass Trends hood scoop that is molded to the hood. The scoop really sets it apart from the appearance of all the traditional '64s. Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville Convertible 428 V-8 4-bbl Hydra-Matic in 1967 the model with 2-door convertible body and V-8 6998 cm3 / 427 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1966 for North America U.S.. Specifications listing with the performance factory data and ... What is apparent is that while Pontiac had policies and specifications, both seemed to fluctuate as need be to build engines and place them in passenger cars. Chamber size of heads is given as an approximate CC as is static compression. When examining any Pontiac head today it requires an open mind.This level was the most drastic, and subsequently, the most expensive of the Royal Bobcats. The Ram Air V was a special 400ci block with newly designed high compression tunnel port heads and a special high rise intake manifold. Available only as an "over-the-counter" engine, the 428 was the stuff of Pontiac legend.Pontiac 400 428 455 Engine Codes; Pontiac 400 428 455 Engine Casting Numbers; Pontiac Cylinder Head ID Numbers; Printable PDF. What are you looking for? Back to Top. Work in Progress. WIP: 1941 Pontiac Business Coupe. WIP: 1941 Pontiac Two Door Sedan. WIP: 1949 Chevrolet Styleline Special Sport Coupe.A 428 HO engine remained available, but was not offered with Tri-Power. Advertisement. For 1966, the 2+2 became a separate model bearing a mild facelift. ©2007 Publications International, Ltd. ... 1964-1967 Pontiac Catalina 2+2 Specifications. The 2+2 reverted back to a Catalina option package for 1967, gaining a new face and standard 428-cid ...Pontiac Factory Cam Specs - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! PONTIAC POWER RULES ! ! ! Pontiac Factory Cam Specs ... 1978 std engine-274-.374".410"-274-.374".410" 527471: 1956-62 3/2bbl: 6: 283: 112.407".447" 60: 293: 116.407".447" 524886: 1963-64 421 HO: L: 293: 113 ...Pontiac first offered the 2+2 as a Catalina engine, suspension, and trim group in 1964. For '65, the 421-cid V-8 became a standard part of the option package, and for '66, Pontiac made the 2+2 a separate model, still based on the Catalina two-door hardtop or convertible. Flamboyantly styled and expansively proportioned, the 2+2 was unbeatable ...The early high-performance crankshafts as used in certain 390-, all 406-, and early 427-ci engines are referred to as "high-nodular" iron cranks and feature grooved bearing journals for additional lubrication. The 428-ci FE engines shared their 3.98-inch stroke with the 410-ci FE series engines used in Mercury vehicles.Pontiac Performance Crate Engines. Whether your vehicle is a GTO, Fire Bird, Trans Am, Lemans, or a timeless classic, here at Pro-formance Unlimited we are here to help design and build the engine combination that will match you with your vehicle. Please browse our crate engines listed below or custom design one of your own.The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of ... It was rated at 360 hp (268 kW), but the Grand Prix with the same specifications was rated at 370 hp (276 kW). The horsepower ratings ... a four-barrel carburettor and matching intake that was also used on the 400 and 428 engines ...Pontiac Grand Prix 428 HO is an automobile that has a 2 door coupé body style with a front positioned engine powering the rear wheels. It is powered by a naturally aspirated engine of 7 litre capacity. This powerplant features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. Feb 05, 2005 · I can fax you the engine specifications as published in motors circa 1968 thru 1974. 1968 375 hp V8-428 4 bbl 4.120x4.00 10.50 375 @ 4800 445 @3600 (torque) 1968 390 hp V8-428 4 bbl 4.120x4.00 10.75 390 @ 5200 465 @3400 1969 360 hp V8-428 4 bbl 4.120x4.00 10.50 360 @ 4600 472 @3200 Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic in 1969 the model with 4-door hardtop sedan body and V-8 6995 cm3 / 426.9 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1968 for North America . Specifications listing with the performance factory ... A typical cast-iron Pontiac D-port measures 190 to 210 cfm of peak intake airflow at 28 inches of pressure. Most aftermarket aluminum castings flow anywhere between 260 and 330 cfm. Specialized castings can flow more than 400 cfm. It's easy to determine which of the ports are larger.Horsepower: Cubic Inches: Trans: Code: Compression: Cam: Heads: Carb: Year: 215: 389: M: 02B: 8.6: 111: 543796: 2: 64: 215: 389: M: 02B: 8.6: 111: 543796: 2: 64: NA ... The 428's extra displacement brought extra power, with 360- and 376-hp variants in 1967 supplanted by 375- and 390-hp variants for 1968 and '69. A contemporary Pontiac 400 V-8 Ram Air III in the GTO was rated at 366 hp in 1969, and the elusive Ram Air IV was rated at 370 hp.Ford claim 335 hp at 5200 rpm for the 428 Cobra Jet versus Huntington's analysis which determined output closer to 410 hp at 5600 rpm. Note the difference in engine speed between the two specs. Another clue this engine was underrated was the smaller 390 V8 with a four-barrel carb was also rated at 335 HP.ROCHESTER QUADRAJET 7028267 1968 PONTIAC GTO 400-428 HIGH OUTPUT 4 SPEED ENGINES. Refurbished. C $2,525.29. or Best Offer. +C $100.32 shipping. from United States.Dec 04, 2006 · The XF-code 428 four-bolt main block is home to a cast crank, rods, and pistons. Ignition is Delco single-point, and the exhaust is handled by standard log manifolds and dual pipes and mufflers.... The engine was a not-so-stock '68 428 H.O. with a few goodies added. Out of the crate, this engine is rated at a strong 390 hp at 5100 rpm and 465 lbs./ft. torque at 3400 rpm. Stock camshaft specs are 288 degrees intake duration and 302 degrees exhaust duration. But we've just begun to fight. Now the mind-seizing modifications come in.Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic in 1969 the model with 4-door hardtop sedan body and V-8 6995 cm3 / 426.9 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1968 for North America . Specifications listing with the performance factory ... Pontiac Grand Prix 428 HO is an automobile that has a 2 door coupé body style with a front positioned engine powering the rear wheels. It is powered by a naturally aspirated engine of 7 litre capacity. This powerplant features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. True Pontiac engines were made by the Pontiac Motor Division. Pontiac engines were last produced and used in 1981. Pontiac engines were available in many different displacements, ranging from 265 CID to 455 CID. ... 428: 2 or 4 : 9799140: 1970: 455: 2 : 9799914: 1970: 400: 2 or 4: 4 bolt Ram Air III: 9799915: 1970: 400: 4: Ram Air IV: 9799916 ...Horsepower: Cubic Inches: Trans: Code: Compression: Cam: Heads: Carb: Year: 215: 389: M: 02B: 8.6: 111: 543796: 2: 64: 215: 389: M: 02B: 8.6: 111: 543796: 2: 64: NA ... The 428 is a 4.12 bore x 4.00 stroke The 455 is a 4.15 bore x 4.21 stroke Bore your 428 .030, drop in a 455 crank, your rods will work with this crank. You will need to know the cc's of your head to select the appropriate compression ratio. If you have the 68 428 heads you already have 10.75/1 compression. If you want to run475 Horsepower 553 ft lbs of Torque. 461 cid Pontiac engine can be built with a stock Pontiac block or an MR-1 aftermarket block. Engine uses a Crower hydraulic flat tappet cam, PRO Sport Cast Crankshaft, PRO Sport 6.625 rods, Federal Mogul rod and main bearings, Durabond cam bearings, Melling Oil pump, Edelbrock Performer RPM intake, 850 Qjet carburetor, 1 3/4 header, Rhodes lifters, 85 cc ...1968 Pontiac Bonneville Convertible (428 4-speed & more) | Fiore Motors. (516) 586-6536. 445 Winding Road, Old Bethpage, NY, 11804. HOME.Royal Pontiac, located in Royal Oak, Michigan, offered a 428/Royal Bobcat conversion of the 1968 GTO. For $650.00. a 390 horsepower 428 cubic engine was installed in place of the 400 cubic engine. The 428 CI engine was disassembled and blueprinted to produce more than the advertised factory 390 horsepower and easily spinning to 5700 RPM's.In 1961 Pontiac continued to push the horsepower upwards with the release of the 421 engine. As with all other Pontiac V8 motors that evolved from the 316 V8, the 421 was simply a bored out and stroked version of the popular Pontiac 389 V8.What was most interesting about the 421 engine in the beginning was that it was a dealer installed option only known as the SD (Super Duty) 421.Engine Blueprint Specifications: 1968 Pontiac 390 HP 428 V8. Engine Blueprint Specifications: 1968 Pontiac 390 HP 428 V8. PONT-68 Issued: 7/1/1968 Last Revised: 4/22/2013 Revisions: 17 April 1995, 11 April 2000, 4/22/13 PC, 2/1/2021. Engine Family: General Motors, Pont V8 Late Advertised Comp Ratio: 10.75:1 Induction: 1-4 Bbl Engine Type: V8.Total maximum spark lead in a naturally aspirated Pontiac V-8 is generally between 30 and 40 degrees, and that can vary with combustion chamber type, compression ratio, and fuel octane. The mechanical or "centrifugal" advance within a distributor can be adjusted by swapping around springs and the weight and center cam assemblies.The 428's extra displacement brought extra power, with 360- and 376-hp variants in 1967 supplanted by 375- and 390-hp variants for 1968 and '69. A contemporary Pontiac 400 V-8 Ram Air III in the GTO was rated at 366 hp in 1969, and the elusive Ram Air IV was rated at 370 hp.The 428's extra displacement brought extra power, with 360- and 376-hp variants in 1967 supplanted by 375- and 390-hp variants for 1968 and '69. A contemporary Pontiac 400 V-8 Ram Air III in the GTO was rated at 366 hp in 1969, and the elusive Ram Air IV was rated at 370 hp.Total maximum spark lead in a naturally aspirated Pontiac V-8 is generally between 30 and 40 degrees, and that can vary with combustion chamber type, compression ratio, and fuel octane. The mechanical or "centrifugal" advance within a distributor can be adjusted by swapping around springs and the weight and center cam assemblies.1969 Pontiac Grand Prix SJ 428 ... His son said he owned the car for about 30 years. I bought it and got a new title for it.The engine was rebuilt about 8 to 10 years ago, but I can not verify that though.Has updated camshaft kit (competition cam 51-232-3 under google search).428 370 HP, Number 16 heads, screw in studs, big valve.Has a ...428 pontiac engine February 05, 2005 06:06AM Registered: 16 years ago Posts: 1 Have a 64 with 428cu.in. engine installed by dealer in 1967, what are the spec on this engine if in stock form? ... I can fax you the engine specifications as published in motors circa 1968 thru 1974. 1968 375 hp V8-428 4 bbl 4.120x4.00 10.50 375 @ 4800 445 @3600 ...1969 Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic (268.5 kW / 365 PS / 360 hp) (since September 1968 for North America ) specs review (click on photo to view enlarged pictures gallery) 1969 Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic (aut. The checking clearance is taken from the twelve-to-six o'clock position using a calibrated dial bore gauge. Doing this maintains the proper crush on the bearings. This is crucial. The same theory applies to the rod bores. All Pontiac rod bores are 2.3745 - 2.3750. Again we use the small to the middle 2.3745 to 2.3748.Because the 428 was used only in large cars like the GTO and Firebird and featured prominently in NASCAR stock cars, it was quickly replaced by the Pontiac 455 in 1970. The higher output 428 engines featured 1.91 inch valves and a 1.66 inch exhaust. Engine Specifications 1967-1969 with 4-Barrel Carb 1969 Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic (268.5 kW / 365 PS / 360 hp) (since September 1968 for North America ) specs review (click on photo to view enlarged pictures gallery) 1969 Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic (aut. 1969 Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic (268.5 kW / 365 PS / 360 hp) (since September 1968 for North America ) specs review (click on photo to view enlarged pictures gallery) 1969 Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic (aut. The economy engine had a two-barrel carburetor instead of a Rochester four-barrel. This streamlined the performance to 265 hp and 397 ft-0lb torque. This was a no-cost option. The high output engine, however, required some extra greens. It was a RAM air engine including a functional hood scoop. The engine had an output of 360 hp.Dec 04, 2006 · 1969 428 Pontiac Grand Prix SJ - Banished Brute ... This engine features a Q-jet carb on a cast-iron dual-plane intake manifold. The heads are casting number 62 and are fitted with 2.11/1.77 ... Dec 04, 2006 · The XF-code 428 four-bolt main block is home to a cast crank, rods, and pistons. Ignition is Delco single-point, and the exhaust is handled by standard log manifolds and dual pipes and mufflers.... Pontiac V-8 crankshaft part numbers and specifications 1955-1981. Feel free to contribute. This is a work in progress and not guaranteed to be correct. Pre-1964 cranks must be machined to fit Turbo Hydramatic torque converters. Numbers on the crank are often the same as the part number, but not always. Replacement cranks may be a different part ...April 28, 2016 · The 428 was Pontiacs top engine for 3 short years- 1967-9. The bore is the same as the 400 at 4.12". The stroke is 4", the main journals are 3.25". The 428 has remained one of the favorite Pontiac engines for racers and hot rodders and, are always one of the most sought after for a build up.The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of ... It was rated at 360 hp (268 kW), but the Grand Prix with the same specifications was rated at 370 hp (276 kW). The horsepower ratings ... a four-barrel carburettor and matching intake that was also used on the 400 and 428 engines ...Look at the handheld when the idle is steady at this target idle speed. If you had to move the throttle very much you may have pushed it into a region where the IAC Hold Position value was activated since this is initiated at a certain TPS value. Turn off the engine and restart so that the TPS Autoset is performed.Horsepower: Cubic Inches: Trans: Code: Compression: Cam: Heads: Carb: Year: 215: 389: M: 02B: 8.6: 111: 543796: 2: 64: 215: 389: M: 02B: 8.6: 111: 543796: 2: 64: NA ... 1968 Pontiac GTO 428 / Royal Bobcat VEHICLE TYPE Front-engine, rear-wheel-drive, 4/5-passenger sports sedan PRICE AS TESTED $5,099.00 ENGINE TYPE Water-cooled V-8, cast iron block and head... chinquapin nc reviews All late 421 engine blocks were produced with a .030-inch overbore, technically giving the engine 428 cubic inches. Cylinder heads - high-performance type with 1.92-inch valves and 1.66 exhausts, undercut valve heads and 1.65-to-1 rocker arm ratio to give it high valve lift without excessive acceleration of the lifter-pushrod mass.Whether your vehicle is a GTO, Fire Bird, Trans Am, Lemans, or a timeless classic, here at Proformance Unlimited we are here to help design and build the eng... Royal Pontiac, located in Royal Oak, Michigan, offered a 428/Royal Bobcat conversion of the 1968 GTO. For $650.00. a 390 horsepower 428 cubic engine was installed in place of the 400 cubic engine. The 428 CI engine was disassembled and blueprinted to produce more than the advertised factory 390 horsepower and easily spinning to 5700 RPM's.The factory rated the Ram Air IV at 345 horsepower, just 10 more hp than the Ram Air III, but a look at the spec sheet tells a different story. Round port heads improved flow while the engine's unique cam profile provided .520 inch by .520 inch lift with 308 degree by 320 degree duration, a huge jump from the III's 288 degree by 302 degree ...Feb 20, 2015 · Available in myriad standard and overbore sizes, and in a flat-top design with a valve pocket displacement of 4 to 5 cc, or a dished crown ranging from 10 to 30 cc to reduce compression, ICON pistons are constructed of a low-silicon alloy aluminum for maximum endurance and reduced drag. Because the 428 was used only in large cars like the GTO and Firebird and featured prominently in NASCAR stock cars, it was quickly replaced by the Pontiac 455 in 1970. The higher output 428 engines featured 1.91 inch valves and a 1.66 inch exhaust. Engine Specifications 1967-1969 with 4-Barrel CarbThe economy engine had a two-barrel carburetor instead of a Rochester four-barrel. This streamlined the performance to 265 hp and 397 ft-0lb torque. This was a no-cost option. The high output engine, however, required some extra greens. It was a RAM air engine including a functional hood scoop. The engine had an output of 360 hp.Feb 28, 2013 · The Pontiac GTO Ram Air V's engine is a naturally aspirated petrol, 6.5 litre, overhead valve 8 cylinder with 2 valves per cylinder. This unit develops 425 bhp (431 PS/317 kW) of power. 1969 Pontiac GTO Ram Air V specifications In 1969, Pontiac also offered the new Grand Prix as an SJ model, an option package that combined niceties including automatic level control, power front disc brakes and a four-pinion differential in the rear axle, in addition to the 428-cu.in Pontiac V-8 with up to 390 available horsepower. Combine one of these SJs from 1969 with a four-speed ...Look at the handheld when the idle is steady at this target idle speed. If you had to move the throttle very much you may have pushed it into a region where the IAC Hold Position value was activated since this is initiated at a certain TPS value. Turn off the engine and restart so that the TPS Autoset is performed.428 Engine Specifications. The 428 Cobra Jet, introduced April 1968, was a high torque, quiet, and inexpensively built engine. Not intended for true racing durability, it lacked the bottom end features of the side-oiler 427. The cross-bolted main bearing caps and oiling improvements were missing.The only major change between '69 and '70 cars was in the engine: The 428 was retired for good, and the new 455 introduced. Coming in only one delicious flavor, the 370hp 10.25:1 compression mill was more of what Pontiac was known for: power. And that power was made lower down than the 428: 500-lbs.ft. at 2,700 RPM. Pontiac engines have block code. This code will tell you the year it was to be used. However, these codes were used over from year to year. Together with the casting code and casting date you can determine where what the engine is. Starting in 1965 Pontiac began using a 2 digit letter code.Mar 29, 2017 · Preparation: SD Performance 250-cfm CNC-Ported Head package. Combustion Chamber Volume: Verify original chamber volume; pistons should be matched to chamber size to achieve 9.25 to 9.5:1 compression. Compression Ratio: 9.25 to 9.5:1. Suggested Airflow at 28 inches: At least 250 cfm at .550- inch lift. High output versions of the 428 engines came in at 390 HP. The 428 was only available in Pontiac full-size cars. Nevertheless, dealers like Royal installed the 428 in GTOs and Firebirds. 350 For 1968 the 326 was also bumped up to 350 cubic inches (5.74 l). A 3.875” Bore and 3.75 Stroke total displacement of 353.8 cubic inches (5.8 l). Save pontiac 421 complete engine to get e-mail alerts and updates on your eBay Feed. Shipping to: 98837. Update your shipping location. ... pontiac 428 complete engine. Tell us what you think - opens in new window or tab. Feedback. Leave feedback about your eBay search experience - opens in new window or tab ...Dyno Sheet. Combination information. 860 HP Race Engine. This 494 makes 860 hp at 6900 rpm and 686 ft lbs of torque with the following components: 380 cfm KRE High Port heads (standard pushrod location), Dual 750 carbs on top of a KRE sheet metal intake, (820 hp with single 1250 Dominator carb and Victor intake), Moroso pan, TIP complete Evac ...Re: 1968 GTO w/ Pontiac 428ci. December 04, 2003 12:17PM. When I bought my 67 goat, it had a 428 engine with a 1965 tri-power installed. Obviously that is all wrong. My 428 engine came from a 1969 car, probably one of the big Pontiacs, maybe even a police cruiser.1967 yy 428 360 m 4 emm full 1967 wj 428 376 (exh) 1967 xk 428 376 m 4 emm & 2+2 (exh) 1967 y3 428 376 a 4 full (exh) 1967 yh 428 376 a 4 full 1967 yk 428 376 a 4 2+2 (exh) 1967 wl 428 a 4 emmisions 1967 yv 428 m 4 emm & 2+2 1967 ws 428 m 4 Whether your vehicle is a GTO, Fire Bird, Trans Am, Lemans, or a timeless classic, here at Proformance Unlimited we are here to help design and build the eng... The only major change between '69 and '70 cars was in the engine: The 428 was retired for good, and the new 455 introduced. Coming in only one delicious flavor, the 370hp 10.25:1 compression mill was more of what Pontiac was known for: power. And that power was made lower down than the 428: 500-lbs.ft. at 2,700 RPM. ROCHESTER QUADRAJET 7028267 1968 PONTIAC GTO 400-428 HIGH OUTPUT 4 SPEED ENGINES. Refurbished. C $2,525.29. or Best Offer. +C $100.32 shipping. from United States.A 428 engine shares the 4.120-inch bore of a 400. You use a standard bore 428 piston when using a 421/428 crank in a 400 block, so you can end up with the proper deck height, just as you do when using the 455 piston on a 455 crank. I haven’t singled out the 421 engine because most guys use the 1967 or later 14-degree valve angle cylinder head. Complete Pre-Run Crate Engines: At Nitemare Performance, we only build and modify classic Pontiacs with traditional Pontiac engines - especially the legendary 389, 400, 421, 428 and 455 cubic inch V8s produced from 1964 through 1980. You will never see corporate (i.e., Chevy) or LS-series engines in our shop. Our focus on pure Pontiac engines has lead us to develop some of the most ...Whether your vehicle is a GTO, Fire Bird, Trans Am, Lemans, or a timeless classic, here at Proformance Unlimited we are here to help design and build the eng...Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville Convertible 428 V-8 4-bbl in 1969 the model with 2-door convertible body and V-8 6995 cm3 / 426.9 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1968 for North America . Specifications listing with the performance factory data and ProfessCars ...The 428 is a 421 bored out to 4.12″ and it has the same 4″ stroke that the 421 did. There were multiple versions of the engine produced each year of it manufacture. In 1967 there was a 360 and 376hp version. In 1968 there was 375hp and 390hp available, and in 1969 you could go 360, 370 or 390hp off of the menu.Whether your vehicle is a GTO, Fire Bird, Trans Am, Lemans, or a timeless classic, here at Proformance Unlimited we are here to help design and build the eng...The last year Pontiac had an official "Police Package" was 1978. It was that year that they out sold Chevrolet in police cars and General Motors said that would never happen again. And the General in 1979 cut out Pontiac's Police package so if a department did want to get a car, they either had to pay a lot more or get a Chevrolet.The '69 rides on a cloud thanks to the rear factory Automatic Level Control air-ride system with AC Delco air shocks. With the chassis worked out, the 428 engine was next. Upon its removal, Dave ...Horsepower: Cubic Inches: Trans: Code: Compression: Cam: Heads: Carb: Year: 215: 389: M: 02B: 8.6: 111: 543796: 2: 64: 215: 389: M: 02B: 8.6: 111: 543796: 2: 64: NA ... Whether your vehicle is a GTO, Fire Bird, Trans Am, Lemans, or a timeless classic, here at Proformance Unlimited we are here to help design and build the eng... The Order Process Returning to McKenzie Pontiac in December 1968, Butch began the order process for a new '69 Grand Prix. "I wanted the performance-oriented SJ package because it contained the 428 engine, and I opted for the 428 H.O. over the base offering.The 428 engine in Jim Taylor's 1964 GTO runs three deuces and is nitrous fed when appropriate. Jim is the original owner of this "hot rod" GTO that sports a "shaker hood" styled scoop. It is a '60s Fiberglass Trends hood scoop that is molded to the hood. The scoop really sets it apart from the appearance of all the traditional '64s. 475 Horsepower 553 ft lbs of Torque. 461 cid Pontiac engine can be built with a stock Pontiac block or an MR-1 aftermarket block. Engine uses a Crower hydraulic flat tappet cam, PRO Sport Cast Crankshaft, PRO Sport 6.625 rods, Federal Mogul rod and main bearings, Durabond cam bearings, Melling Oil pump, Edelbrock Performer RPM intake, 850 Qjet carburetor, 1 3/4 header, Rhodes lifters, 85 cc ...The traditional Pontiac V8 engine was manufactured from 1955 through 1981. The engines that are currently most popular were manufactured from 1964 through 1978. These engines were available in the following cubic inch displacements: 326, 350, 389, 400, 421, 428, and 455. Unlike Chevrolet there is no Pontiac big block or small block.Feb 20, 2015 · Available in myriad standard and overbore sizes, and in a flat-top design with a valve pocket displacement of 4 to 5 cc, or a dished crown ranging from 10 to 30 cc to reduce compression, ICON pistons are constructed of a low-silicon alloy aluminum for maximum endurance and reduced drag. This level was the most drastic, and subsequently, the most expensive of the Royal Bobcats. The Ram Air V was a special 400ci block with newly designed high compression tunnel port heads and a special high rise intake manifold. Available only as an "over-the-counter" engine, the 428 was the stuff of Pontiac legend.The Grand Prix 428 is a rear wheel drive coupé passenger car with a front positioned engine, sold by Pontiac. The power is produced by a naturally aspirated engine of 7 litre capacity. This powerplant features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. The factory rated the Ram Air IV at 345 horsepower, just 10 more hp than the Ram Air III, but a look at the spec sheet tells a different story. Round port heads improved flow while the engine's unique cam profile provided .520 inch by .520 inch lift with 308 degree by 320 degree duration, a huge jump from the III's 288 degree by 302 degree ...All late 421 engine blocks were produced with a .030-inch overbore, technically giving the engine 428 cubic inches. Cylinder heads - high-performance type with 1.92-inch valves and 1.66 exhausts, undercut valve heads and 1.65-to-1 rocker arm ratio to give it high valve lift without excessive acceleration of the lifter-pushrod mass.Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic in 1969 the model with 4-door hardtop sedan body and V-8 6995 cm3 / 426.9 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1968 for North America . Specifications listing with the performance factory ... The 428 engine in Jim Taylor's 1964 GTO runs three deuces and is nitrous fed when appropriate. Jim is the original owner of this "hot rod" GTO that sports a "shaker hood" styled scoop. It is a '60s Fiberglass Trends hood scoop that is molded to the hood. The scoop really sets it apart from the appearance of all the traditional '64s.475 Horsepower 553 ft lbs of Torque. 461 cid Pontiac engine can be built with a stock Pontiac block or an MR-1 aftermarket block. Engine uses a Crower hydraulic flat tappet cam, PRO Sport Cast Crankshaft, PRO Sport 6.625 rods, Federal Mogul rod and main bearings, Durabond cam bearings, Melling Oil pump, Edelbrock Performer RPM intake, 850 Qjet carburetor, 1 3/4 header, Rhodes lifters, 85 cc ...The only major change between '69 and '70 cars was in the engine: The 428 was retired for good, and the new 455 introduced. Coming in only one delicious flavor, the 370hp 10.25:1 compression mill was more of what Pontiac was known for: power. And that power was made lower down than the 428: 500-lbs.ft. at 2,700 RPM. 265, 301, 307*, 326, 350, 389, 400, 421, 428, 455 Firing Order Torque Specs These specs may not be correct for your application. Verify your engine specs with a service manual for your year and model. always torque bolts in three equal incrementsThere were a few selected engines other than the 421's that they stuck the Armasteel cast crankshaft in, and the 428 was definitely one of those. The 1963 421 #9770488 and the 1964-66 421 #9783787 crank is Armasteel. Then Pontiac started playing the "switch-m" game with the 1967-69 428 cranks and pistons.Dec 04, 2006 · The XF-code 428 four-bolt main block is home to a cast crank, rods, and pistons. Ignition is Delco single-point, and the exhaust is handled by standard log manifolds and dual pipes and mufflers.... The Centroid 4 Axis B4250 block machining center in 2010 was next then as well as another in 2014. This allows us to be as good as any and better than most when building a Pontiac or any other make of engines. 40 years of Pontiac work qualifies us as one of the best places to purchase your re-manufactured or new Pontiac street or strip engine. Royal Pontiac, located in Royal Oak, Michigan, offered a 428/Royal Bobcat conversion of the 1968 GTO. For $650.00. a 390 horsepower 428 cubic engine was installed in place of the 400 cubic engine. The 428 CI engine was disassembled and blueprinted to produce more than the advertised factory 390 horsepower and easily spinning to 5700 RPM's. The 428 engine in Jim Taylor's 1964 GTO runs three deuces and is nitrous fed when appropriate. Jim is the original owner of this "hot rod" GTO that sports a "shaker hood" styled scoop. It is a '60s Fiberglass Trends hood scoop that is molded to the hood. The scoop really sets it apart from the appearance of all the traditional '64s. Sep 23, 2006 · Stock Pontiac Engine Specs. Year. Displacement (CID) Bore (Inches) Stroke (Inches) Mains (Inches) 1955. 287. 3.75. 1968 Pontiac Bonneville Convertible (428 4-speed & more) | Fiore Motors. (516) 586-6536. 445 Winding Road, Old Bethpage, NY, 11804. HOME.Dec 04, 2006 · The XF-code 428 four-bolt main block is home to a cast crank, rods, and pistons. Ignition is Delco single-point, and the exhaust is handled by standard log manifolds and dual pipes and mufflers.... Pontiac 400 428 455 Engine Codes; Pontiac 400 428 455 Engine Casting Numbers; Pontiac Cylinder Head ID Numbers; Printable PDF. What are you looking for? Back to Top. Work in Progress. WIP: 1941 Pontiac Business Coupe. WIP: 1941 Pontiac Two Door Sedan. WIP: 1949 Chevrolet Styleline Special Sport Coupe. romantic getaways big island hawaii Performance Model. 1966 Pontiac GTO Tri Power. Engine Used. 389ci/360hp. Zero to Sixty. 6.5 sec. Quarter Mile. 14.1 sec @ 105.0 mph. The level of success achieved by the GTO in 1964 and 1965 was beyond imagination for GM and its rivals. 1966 had even better news for the Pontiac GTO.The 1964 Pontiac Tempest GTO lit the fuse on the muscle car boom by giving the small-car, big-engine ethic a cool identity. Renamed in honor of its new engine, the 1967 Buick GS 400 was a well-kept muscle car secret. No muscle car promised more performance, or had more trouble delivering it, than the star-crossed 1969 Ford Mustang Boss 429.This 428 will be turning heads and swooning damsels with its almighty 654.9 ft lbs of torque and 630 horses to help it run free on the road.Feb 19, 2015 · From 1959 on, engines displacing between 326 and 400 inches contained a main journal diameter of 3 inches, while 421-, 428-, and 455-ci engines featured 3.25-inch journals. The main bearing caps are fastened to the block by two large bolts in most instances and located by dowel pins to prevent the caps from wandering during high-speed operation. A 428 engine shares the 4.120-inch bore of a 400. You use a standard bore 428 piston when using a 421/428 crank in a 400 block, so you can end up with the proper deck height, just as you do when using the 455 piston on a 455 crank. I haven’t singled out the 421 engine because most guys use the 1967 or later 14-degree valve angle cylinder head. 1969 Pontiac Grand Prix Model J 428! Waukesha, Wisconsin, United States XF Code 370HP 428 TH400 Automatic 84,000 1969 1969 Pontiac Grand Prix Base 6.6L Las Vegas, Nevada, United States 6.6L 6555CC 400Cu. In. V8 GAS OHV Naturally Aspirated Automatic 94,000 1969 1969 Pontiac Grand Prix Model J Escondido, California, United States 6.6L 6555CC 400Cu. Molnar H beam Pontiac connecting rods are ideal for Pontiac 326 thru 455 engines. Floating and press fit pin rods available. ... 428; 455; Each con rod set for the Pontiac V8 engines includes ARP fasteners, lubricant and installation guidelines. ... Pontiac 326 350 400 421 428 455 Connecting Rod Length, Specs and Prices. Length Rod length of ...Because the 428 was used only in large cars like the GTO and Firebird and featured prominently in NASCAR stock cars, it was quickly replaced by the Pontiac 455 in 1970. The higher output 428 engines featured 1.91 inch valves and a 1.66 inch exhaust. Engine Specifications 1967-1969 with 4-Barrel Carb Pair 1975-77 LeMans, Grand Am Pontiac V8 Engine Mount Brackets $155. Great condition. #496858 & 496859. Pair 1977 LeMans 350 Olds V8 Engine Frame Stands $45. Great condition. Fits other years. ... 1967 Pontiac 400 & 428 V8 Quadrajet Carburetor sold. Great condition. #7037262 2161. Email for extra images. 1970 Pontiac 400 (YS) ...428 - At .060" overbore, the B/S of 1.05 is good, the R/S of 1.66 is OK and essentially any C.R. is available. If cubic inches are your preference. this engine is a good way to go. 455 - This engine has to be at .060" overbore before it is even "dead square" (B/S = 1.00).Complete Pre-Run Crate Engines: At Nitemare Performance, we only build and modify classic Pontiacs with traditional Pontiac engines - especially the legendary 389, 400, 421, 428 and 455 cubic inch V8s produced from 1964 through 1980. You will never see corporate (i.e., Chevy) or LS-series engines in our shop. Our focus on pure Pontiac engines has lead us to develop some of the most ...The 428 engine in Jim Taylor's 1964 GTO runs three deuces and is nitrous fed when appropriate. Jim is the original owner of this "hot rod" GTO that sports a "shaker hood" styled scoop. It is a '60s Fiberglass Trends hood scoop that is molded to the hood. The scoop really sets it apart from the appearance of all the traditional '64s. The Centroid 4 Axis B4250 block machining center in 2010 was next then as well as another in 2014. This allows us to be as good as any and better than most when building a Pontiac or any other make of engines. 40 years of Pontiac work qualifies us as one of the best places to purchase your re-manufactured or new Pontiac street or strip engine. View the Pontiac Engine Torque Specifications for engine repairs and rebuilds. Every torque specification should be in this table, however if there is one missing, please Contact Me and I will get you the spec and add it to the table. This chart covers Pontiac V8 Engines; 265, 301, 326, 350, 389, 400, 421, 428, 455 cu in. Location. Year. Ft-Lbs..Pontiac 400 428 455 Engine Codes; Pontiac 400 428 455 Engine Casting Numbers; Pontiac Cylinder Head ID Numbers; Printable PDF. What are you looking for? Back to Top. Work in Progress. WIP: 1941 Pontiac Business Coupe. WIP: 1941 Pontiac Two Door Sedan. WIP: 1949 Chevrolet Styleline Special Sport Coupe.Pontiac V-8 crankshaft part numbers and specifications 1955-1981. Feel free to contribute. This is a work in progress and not guaranteed to be correct. Pre-1964 cranks must be machined to fit Turbo Hydramatic torque converters. Numbers on the crank are often the same as the part number, but not always. Replacement cranks may be a different part ...Pontiac GTO, Pontiac Lemans, Pontiac Tempest, The best source for GTO books, GTO parts, GTO pictures, ... Engine Description Std.Code Calif.Code Comp.Ratio HP 400 4bbl 3Spd Manual WT WW 10.75:1 335 400 HO 3Spd Manual WS WV 10.75:1 360 400 4bbl 4Spd WT WV 10.75:1Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville Convertible 428 V-8 4-bbl (man. 3) (Base, Brougham) in 1969, the model with 2-door convertible body and V-8 6995 cm3 / 426.9 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1968 for North America . The Centroid 4 Axis B4250 block machining center in 2010 was next then as well as another in 2014. This allows us to be as good as any and better than most when building a Pontiac or any other make of engines. 40 years of Pontiac work qualifies us as one of the best places to purchase your re-manufactured or new Pontiac street or strip engine. Single Pattern Hydraulic Lifter Cams. Brute low end torque, great for daily driving. Cruise RPM 1600-2200. Strong low & mid range torque, daily driving. Cruise RPM 2200-2700. Strong low & mid range torque, daily driving. Cruise RPM 2600-300. Most popular cam. 350-455. Works with stock parts.The 428 engine in Jim Taylor's 1964 GTO runs three deuces and is nitrous fed when appropriate. Jim is the original owner of this "hot rod" GTO that sports a "shaker hood" styled scoop. It is a '60s Fiberglass Trends hood scoop that is molded to the hood. The scoop really sets it apart from the appearance of all the traditional '64s.The 428 is a 4.12 bore x 4.00 stroke The 455 is a 4.15 bore x 4.21 stroke Bore your 428 .030, drop in a 455 crank, your rods will work with this crank. You will need to know the cc's of your head to select the appropriate compression ratio. If you have the 68 428 heads you already have 10.75/1 compression. If you want to runSpecs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic in 1969 the model with 4-door hardtop sedan body and V-8 6995 cm3 / 426.9 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1968 for North America . Specifications listing with the performance factory ... Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville Convertible 428 V-8 4-bbl Hydra-Matic (aut. 3) in 1967, the model with 2-door convertible body and V-8 6998 cm3 / 427 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1966 for North America U.S.. what does screen mirroring do There were a few selected engines other than the 421's that they stuck the Armasteel cast crankshaft in, and the 428 was definitely one of those. The 1963 421 #9770488 and the 1964-66 421 #9783787 crank is Armasteel. Then Pontiac started playing the "switch-m" game with the 1967-69 428 cranks and pistons.Whether your vehicle is a GTO, Fire Bird, Trans Am, Lemans, or a timeless classic, here at Proformance Unlimited we are here to help design and build the eng...Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville Convertible 428 V-8 4-bbl Hydra-Matic (aut. 3) in 1967, the model with 2-door convertible body and V-8 6998 cm3 / 427 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1966 for North America U.S.. Pontiac 1968 400 428 High Performance 7028268. $772.99. Email for Availability [email protected] Quadrajet Power. |.Feb 19, 2015 · From 1959 on, engines displacing between 326 and 400 inches contained a main journal diameter of 3 inches, while 421-, 428-, and 455-ci engines featured 3.25-inch journals. The main bearing caps are fastened to the block by two large bolts in most instances and located by dowel pins to prevent the caps from wandering during high-speed operation. Sep 23, 2006 · Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. In light of this, the 'Year' entry, as indicated by the chart below, may actually represent the year that the heads were cast, versus the year that they were actually installed on an automobile. The traditional Pontiac V8 engine was manufactured from 1955 through 1981. The engines that are currently most popular were manufactured from 1964 through 1978. These engines were available in the following cubic inch displacements: 326, 350, 389, 400, 421, 428, and 455. Unlike Chevrolet there is no Pontiac big block or small block.According to the ProfessCars™ estimation this Pontiac would accelerate 0-60 mph in 5.8 sec, 0-100 km/h in 6.1 sec and quarter mile time is 14.4 sec. This car is 5339 mm / 210.2 in long, 1923 mm / 75.7 in wide and 1323 mm / 52.1 in high. Check the tables below for detailed outside and inside dimensions, output, fuel economy and performance data.It produces 370 bhp (375 PS/276 kW) of power at 4800 rpm, and maximum torque of 640 N·m (472 lb·ft/65.3 kgm) at 3200 rpm. The engine delivers its power through to the wheels via a 3 speed automatic transmission. It weighs a quoted 1564 kg at the kerb. 1969 Pontiac Grand Prix 428 specifications Sections475 Horsepower 553 ft lbs of Torque. 461 cid Pontiac engine can be built with a stock Pontiac block or an MR-1 aftermarket block. Engine uses a Crower hydraulic flat tappet cam, PRO Sport Cast Crankshaft, PRO Sport 6.625 rods, Federal Mogul rod and main bearings, Durabond cam bearings, Melling Oil pump, Edelbrock Performer RPM intake, 850 Qjet carburetor, 1 3/4 header, Rhodes lifters, 85 cc ...This 428 will be turning heads and swooning damsels with its almighty 654.9 ft lbs of torque and 630 horses to help it run free on the road.Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville 4-Door Hardtop 428 V-8 4-bbl Turbo Hydra-Matic in 1969 the model with 4-door hardtop sedan body and V-8 6995 cm3 / 426.9 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1968 for North America . Specifications listing with the performance factory ... In 1961 Pontiac continued to push the horsepower upwards with the release of the 421 engine. As with all other Pontiac V8 motors that evolved from the 316 V8, the 421 was simply a bored out and stroked version of the popular Pontiac 389 V8.What was most interesting about the 421 engine in the beginning was that it was a dealer installed option only known as the SD (Super Duty) 421.265, 301, 307*, 326, 350, 389, 400, 421, 428, 455 Firing Order Torque Specs These specs may not be correct for your application. Verify your engine specs with a service manual for your year and model. always torque bolts in three equal incrementsDec 04, 2006 · 1969 428 Pontiac Grand Prix SJ - Banished Brute ... This engine features a Q-jet carb on a cast-iron dual-plane intake manifold. The heads are casting number 62 and are fitted with 2.11/1.77 ... A # 4 is 91 cc's (Installed on both 350's and 400's) A # 8 is 98/101 cc's (400) A # 11 is 114 cc's (455) As far as I have seen all these heads came with 2.11/1.66 valves The 4X head was installed...Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville Convertible 428 V-8 4-bbl Hydra-Matic (aut. 3) in 1967, the model with 2-door convertible body and V-8 6998 cm3 / 427 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1966 for North America U.S.. 1968 Pontiac Bonneville Convertible (428 4-speed & more) | Fiore Motors. (516) 586-6536. 445 Winding Road, Old Bethpage, NY, 11804. HOME.Sep 23, 2006 · Stock Pontiac Engine Specs. Year. Displacement (CID) Bore (Inches) Stroke (Inches) Mains (Inches) 1955. 287. 3.75. 1967 yy 428 360 m 4 emm full 1967 wj 428 376 (exh) 1967 xk 428 376 m 4 emm & 2+2 (exh) 1967 y3 428 376 a 4 full (exh) 1967 yh 428 376 a 4 full 1967 yk 428 376 a 4 2+2 (exh) 1967 wl 428 a 4 emmisions 1967 yv 428 m 4 emm & 2+2 1967 ws 428 m 4 Pontiac 400 428 455 Engine Codes; Pontiac 400 428 455 Engine Casting Numbers; Pontiac Cylinder Head ID Numbers; Printable PDF. What are you looking for? Back to Top. Work in Progress. WIP: 1941 Pontiac Business Coupe. WIP: 1941 Pontiac Two Door Sedan. WIP: 1949 Chevrolet Styleline Special Sport Coupe.1967 yy 428 360 m 4 emm full 1967 wj 428 376 (exh) 1967 xk 428 376 m 4 emm & 2+2 (exh) 1967 y3 428 376 a 4 full (exh) 1967 yh 428 376 a 4 full 1967 yk 428 376 a 4 2+2 (exh) 1967 wl 428 a 4 emmisions 1967 yv 428 m 4 emm & 2+2 1967 ws 428 m 4 Dec 04, 2006 · 1969 428 Pontiac Grand Prix SJ - Banished Brute ... This engine features a Q-jet carb on a cast-iron dual-plane intake manifold. The heads are casting number 62 and are fitted with 2.11/1.77 ... You need between 88 and 90 CCs for a 428 to have pump-gas "friendy" capability. With the stock pistons, the chamber should be around 80-82. 6X-4s have become popular for the 4" stroke engines, as folks learn they're a bit too "small" for 455-plus engines. The 6Xs respond well to port work, too.pontiac engine decoder year code c/i hp tran carb car misc 1962 13b 421 3 m 2 x 4 full super duty 1962 13u 421 4 m 2 x 4 full super duty 1962 bu 421 4 m 2 x 4 full super duty ... 1967 wg 428 360 m 4 2+2 1967 y2 428 360 a 4 full 1967 yy 428 360 m 4 emm full 1967 wj 428 376 (exh) 1967 xk 428 376 m 4 emm & 2+2 (exh) ...A # 4 is 91 cc's (Installed on both 350's and 400's) A # 8 is 98/101 cc's (400) A # 11 is 114 cc's (455) As far as I have seen all these heads came with 2.11/1.66 valves The 4X head was installed...The traditional Pontiac V8 engine was manufactured from 1955 through 1981. The engines that are currently most popular were manufactured from 1964 through 1978. These engines were available in the following cubic inch displacements: 326, 350, 389, 400, 421, 428, and 455. Unlike Chevrolet there is no Pontiac big block or small block.Pontiac produced 4 versions of the Ram Air V engines. A 303 cubic inch (4.97 l) to use for Trans-Am racing. A 366 cubic inch for NASCAR, A 400 cubic inch, and 428 cubic inches for drag racing. A dealer-installed option the Ram Air V engines are very rare. 428 The new 428 had a 4.12" bore and a 3.25" stroke with a total cubic inch of 426.61.Feb 20, 2015 · Available in myriad standard and overbore sizes, and in a flat-top design with a valve pocket displacement of 4 to 5 cc, or a dished crown ranging from 10 to 30 cc to reduce compression, ICON pistons are constructed of a low-silicon alloy aluminum for maximum endurance and reduced drag. In 1961 Pontiac continued to push the horsepower upwards with the release of the 421 engine. As with all other Pontiac V8 motors that evolved from the 316 V8, the 421 was simply a bored out and stroked version of the popular Pontiac 389 V8.What was most interesting about the 421 engine in the beginning was that it was a dealer installed option only known as the SD (Super Duty) 421.Pontiac's 428 was found primarily in full-size sedans and coupes, and when the mid-size GTO was up for a replacement motor the company's engineers created the 455 by boring the Super Duty engine to 4.1525 inches and using a crankshaft with a 4.21 inch stroke.Dyno Sheet. Combination information. 860 HP Race Engine. This 494 makes 860 hp at 6900 rpm and 686 ft lbs of torque with the following components: 380 cfm KRE High Port heads (standard pushrod location), Dual 750 carbs on top of a KRE sheet metal intake, (820 hp with single 1250 Dominator carb and Victor intake), Moroso pan, TIP complete Evac ...1968 Pontiac Bonneville Convertible (428 4-speed & more) | Fiore Motors. (516) 586-6536. 445 Winding Road, Old Bethpage, NY, 11804. HOME.Royal Pontiac, located in Royal Oak, Michigan, offered a 428/Royal Bobcat conversion of the 1968 GTO. For $650.00. a 390 horsepower 428 cubic engine was installed in place of the 400 cubic engine. The 428 CI engine was disassembled and blueprinted to produce more than the advertised factory 390 horsepower and easily spinning to 5700 RPM's. A # 4 is 91 cc's (Installed on both 350's and 400's) A # 8 is 98/101 cc's (400) A # 11 is 114 cc's (455) As far as I have seen all these heads came with 2.11/1.66 valves The 4X head was installed...April 28, 2016 · The 428 was Pontiacs top engine for 3 short years- 1967-9. The bore is the same as the 400 at 4.12". The stroke is 4", the main journals are 3.25". The 428 has remained one of the favorite Pontiac engines for racers and hot rodders and, are always one of the most sought after for a build up.The 421, 428, and 455 engines use a 3.25˝ diameter main bearing. The rod bearing diameter is the same for 326s through 455s. Beware of pre-1964 blocks. They are not drilled for a block-mounted starter and you cannot use them in a '65 or newer full size or a '64 or newer A body or Firebird.A 428 engine shares the 4.120-inch bore of a 400. You use a standard bore 428 piston when using a 421/428 crank in a 400 block, so you can end up with the proper deck height, just as you do when using the 455 piston on a 455 crank. I haven’t singled out the 421 engine because most guys use the 1967 or later 14-degree valve angle cylinder head. Standard power was from a 400 cubic-inch (replacing the previous 389 V8), overhead valve V8 engine offering 350 horsepower. It had a four-barrel carburetor and dual exhausts. Most of the Grand Prix models were given Turbo-Hydramatic transmission.All late 421 engine blocks were produced with a .030-inch overbore, technically giving the engine 428 cubic inches. Cylinder heads - high-performance type with 1.92-inch valves and 1.66 exhausts, undercut valve heads and 1.65-to-1 rocker arm ratio to give it high valve lift without excessive acceleration of the lifter-pushrod mass.Produced from 1967 to 1969 and usually reserved for Bonneville/Catalina’s, Prixs and other full-size/muscle cars (though we’ll touch on the exceptions to the rule shortly), the Pontiac V8 428 cubic inch (7.0 l) engine was an evolution of the 421 (a Nascar super-duty favorite) and its basic design. It even kept the same four-inch stroke as the 421. Horsepower: Cubic Inches: Trans: Code: Compression: Cam: Heads: Carb: Year: 215: 389: M: 02B: 8.6: 111: 543796: 2: 64: 215: 389: M: 02B: 8.6: 111: 543796: 2: 64: NA ... This is a quick block ID for junk yard hunting, etc. You must find the date code at the back LH side of the block first. The letter is the month, next 2 digits are the day and the last digit is the year. Here are 2examples: A249 code "XE". A = January - 24 is the 24th day - and 9 is 1969. The block is a 69 428.Total maximum spark lead in a naturally aspirated Pontiac V-8 is generally between 30 and 40 degrees, and that can vary with combustion chamber type, compression ratio, and fuel octane. The mechanical or "centrifugal" advance within a distributor can be adjusted by swapping around springs and the weight and center cam assemblies.Dodge Charger Daytona R/T vs Pontiac Grand Prix 428 HO More Pontiac cars 76 2006 Pontiac GTO 6.0 400 ps, 1668 kg 1973 Pontiac Firebird Trans Am 455 Super Duty 314 ps, 1691 kg 1984 Pontiac Fiero GT 142 ps, 1225 kg 1970 Pontiac Firebird Formula 400 350 ps, 1627 kg More 23835 lap times and 28533 quarter mile, 0-60 times for 10371 cars and 230 bikes.Pontiac Engine Codes Code Car Year CID HP Trans RPO VIN Carb Block Cast Main Notes 01A B-body 62 389 215 3-speed 1x2 538181 2 01A B-body 63 389 215 3-speed 1x2 543680 2 01A B-body 64 389 215 3-speed 1x2 9773155 2 01B B-body 62 389 215 3-speed 1x2 538181 2 HD tran ...Dec 04, 2006 · 1969 428 Pontiac Grand Prix SJ - Banished Brute ... This engine features a Q-jet carb on a cast-iron dual-plane intake manifold. The heads are casting number 62 and are fitted with 2.11/1.77 ... Molnar H beam Pontiac connecting rods are ideal for Pontiac 326 thru 455 engines. Floating and press fit pin rods available. ... 428; 455; Each con rod set for the Pontiac V8 engines includes ARP fasteners, lubricant and installation guidelines. ... Pontiac 326 350 400 421 428 455 Connecting Rod Length, Specs and Prices. Length Rod length of ...Engine type: Pontiac V8 428 Cu: Displacement: 7.0 l (428 ci / 7014 cc) Power: 380 ps (375 ... The only major change between '69 and '70 cars was in the engine: The 428 was retired for good, and the new 455 introduced. Coming in only one delicious flavor, the 370hp 10.25:1 compression mill was more of what Pontiac was known for: power. And that power was made lower down than the 428: 500-lbs.ft. at 2,700 RPM. Both the 389 and 421 engines received a bore increase to 4.12 inches, which resulted in new engine displacements of 400 and 428 cid. In addition, the block received new cylinder heads with completely redesigned ports. Valve diameters were increased to 2.11 inches for intakes and 1.77 inches for exhaust.Feb 20, 2015 · Available in myriad standard and overbore sizes, and in a flat-top design with a valve pocket displacement of 4 to 5 cc, or a dished crown ranging from 10 to 30 cc to reduce compression, ICON pistons are constructed of a low-silicon alloy aluminum for maximum endurance and reduced drag. Pontiac Crank Reconditioned Undersized to Specifications; Pontiac Rods Reconditioned to Specifications; All New Cam, Main and Rod Bearings; OEM Replacement Pistons for 87 Octane Pump Gas; ... Pontiac 461ci Street Heat Crate Engine; Pontiac 421-428-455ci Hi-Performance Engines; 428CI 390Hp Pontiac 1969 Firebird Engine;Royal Pontiac, located in Royal Oak, Michigan, offered a 428/Royal Bobcat conversion of the 1968 GTO. For $650.00. a 390 horsepower 428 cubic engine was installed in place of the 400 cubic engine. The 428 CI engine was disassembled and blueprinted to produce more than the advertised factory 390 horsepower and easily spinning to 5700 RPM's.Re: 1968 GTO w/ Pontiac 428ci. December 04, 2003 12:17PM. When I bought my 67 goat, it had a 428 engine with a 1965 tri-power installed. Obviously that is all wrong. My 428 engine came from a 1969 car, probably one of the big Pontiacs, maybe even a police cruiser.1968 Pontiac GTO 428 / Royal Bobcat VEHICLE TYPE Front-engine, rear-wheel-drive, 4/5-passenger sports sedan PRICE AS TESTED $5,099.00 ENGINE TYPE Water-cooled V-8, cast iron block and head...A 428 engine shares the 4.120-inch bore of a 400. You use a standard bore 428 piston when using a 421/428 crank in a 400 block, so you can end up with the proper deck height, just as you do when using the 455 piston on a 455 crank. I haven’t singled out the 421 engine because most guys use the 1967 or later 14-degree valve angle cylinder head. Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville Convertible 428 V-8 4-bbl Hydra-Matic in 1967 the model with 2-door convertible body and V-8 6998 cm3 / 427 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1966 for North America U.S.. Specifications listing with the performance factory data and ... It produces 370 bhp (375 PS/276 kW) of power at 4800 rpm, and maximum torque of 640 N·m (472 lb·ft/65.3 kgm) at 3200 rpm. The engine delivers its power through to the wheels via a 3 speed automatic transmission. It weighs a quoted 1564 kg at the kerb. 1969 Pontiac Grand Prix 428 specifications SectionsThe Order Process Returning to McKenzie Pontiac in December 1968, Butch began the order process for a new '69 Grand Prix. "I wanted the performance-oriented SJ package because it contained the 428 engine, and I opted for the 428 H.O. over the base offering.Single Pattern Hydraulic Lifter Cams. Brute low end torque, great for daily driving. Cruise RPM 1600-2200. Strong low & mid range torque, daily driving. Cruise RPM 2200-2700. Strong low & mid range torque, daily driving. Cruise RPM 2600-300. Most popular cam. 350-455. Works with stock parts.Pontiac V-8 crankshaft part numbers and specifications 1955-1981. Feel free to contribute. This is a work in progress and not guaranteed to be correct. Pre-1964 cranks must be machined to fit Turbo Hydramatic torque converters. Numbers on the crank are often the same as the part number, but not always. Replacement cranks may be a different part ...The 1964 Pontiac Tempest GTO lit the fuse on the muscle car boom by giving the small-car, big-engine ethic a cool identity. Renamed in honor of its new engine, the 1967 Buick GS 400 was a well-kept muscle car secret. No muscle car promised more performance, or had more trouble delivering it, than the star-crossed 1969 Ford Mustang Boss 429.Dodge Charger Daytona R/T vs Pontiac Grand Prix 428 HO More Pontiac cars 76 2006 Pontiac GTO 6.0 400 ps, 1668 kg 1973 Pontiac Firebird Trans Am 455 Super Duty 314 ps, 1691 kg 1984 Pontiac Fiero GT 142 ps, 1225 kg 1970 Pontiac Firebird Formula 400 350 ps, 1627 kg More 23835 lap times and 28533 quarter mile, 0-60 times for 10371 cars and 230 bikes.Engine type: Pontiac V8 428 Cu: Displacement: 7.0 l (428 ci / 7014 cc) Power: 380 ps (375 ... Specs datasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Bonneville Convertible 428 V-8 4-bbl Hydra-Matic (aut. 3) in 1967, the model with 2-door convertible body and V-8 6998 cm3 / 427 cui, 268.5 kW / 365 PS / 360 hp (SAE gross) offered since September 1966 for North America U.S.. In 1961 Pontiac continued to push the horsepower upwards with the release of the 421 engine. As with all other Pontiac V8 motors that evolved from the 316 V8, the 421 was simply a bored out and stroked version of the popular Pontiac 389 V8.What was most interesting about the 421 engine in the beginning was that it was a dealer installed option only known as the SD (Super Duty) 421.Whether your vehicle is a GTO, Fire Bird, Trans Am, Lemans, or a timeless classic, here at Proformance Unlimited we are here to help design and build the eng... Pair 1975-77 LeMans, Grand Am Pontiac V8 Engine Mount Brackets $155. Great condition. #496858 & 496859. Pair 1977 LeMans 350 Olds V8 Engine Frame Stands $45. Great condition. Fits other years. ... 1967 Pontiac 400 & 428 V8 Quadrajet Carburetor sold. Great condition. #7037262 2161. Email for extra images. 1970 Pontiac 400 (YS) ...Dec 04, 2006 · The XF-code 428 four-bolt main block is home to a cast crank, rods, and pistons. Ignition is Delco single-point, and the exhaust is handled by standard log manifolds and dual pipes and mufflers.... Pontiac V-8 crankshaft part numbers and specifications 1955-1981. Feel free to contribute. This is a work in progress and not guaranteed to be correct. Pre-1964 cranks must be machined to fit Turbo Hydramatic torque converters. Numbers on the crank are often the same as the part number, but not always. Replacement cranks may be a different part ...Pontiac Grand Prix 428 HO is an automobile that has a 2 door coupé body style with a front positioned engine powering the rear wheels. It is powered by a naturally aspirated engine of 7 litre capacity. This powerplant features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. best liquid collagen peptidesxa