WebPontiac; Super Duty; SD; SD455; HO; 455 HO; Trans-Am; Catalina; Firebird; Formula; 421; 455; 400; 428; 350; 265; 301; 370; 389; 301; 287; 317; 347; Ram Air; Ram Air IV; Ram Air III; Bonneville; Grand Prix; LeMans; Parisienne; Grand Am; Century; Regal; Buy COMP Cams CL51-246-4 Magnum 248/248 Solid Flat Cam and Lifter Kit for Pontiac 265-455: … The 1971 Pontiac 455 HO was Pontiac's first engine to receive a special 800 cu ft/min (23 m 3 /min) Rochester Quadra-jet carburetor with specific jetting. The 1971 455 HO was rated at 335 hp (250 kW) @ 4,800 rpm and 480 lb⋅ft (651 N⋅m) of torque @ 3,200 rpm . See more The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of General Motors Corporation between 1955 and 1981. The engines feature a cast-iron block and head and … See more The 1955-up Pontiac V8 that finally reached the public was an overhead valve engine with cast iron cylinder heads and block and wedge-shaped combustion chambers. … See more 421 The 421.19 cu in (6.9 L) was introduced in 1961 as a dealer-installed Super Duty option. Unlike … See more The beginnings of Pontiac's iconic Ram Air dynasty began during the 1965 model year. The GTO's new hood scoop design, with the inlets centrally located and mounted above the … See more Pre-development Pontiac began as a "companion make" to the Oakland division of the General Motors line of automobiles … See more 287 The V8 engine was introduced for the 1955 model year as the "Strato Streak". Not long before the … See more 326 HO A higher-output version was offered, called the 326 HO (High Output). It had a four-barrel carburetor, dual exhaust, and higher compression, and was good for 280 hp (209 kW) for 1963–1964, and 285 hp (213 kW) for 1965 - 1966 … See more
General Motors 455 Cubic Inch Big Block - LiveAbout
WebSep 24, 2024 · This was still a very serviceable muscle car engine. The 455 HO Pontiac V8 from 1971 was listed from the factory jetting a (probably underrated) 335 gross … WebIn 1970, General Motors removed the limit altogether. The result was the 1970 Pontiac GTO 455, which was stuffed with a beefy 455 HO V8 long-stroke engine. Rated conservatively at 360 horsepower and producing a … how fast is brock bowers
Specs on the 455 Pontiac Engine It Still Runs
WebSep 24, 2024 · In addition to the 455 HO engine, the package contains a four-speed floor-shift transmission, 3.23 performance axle ratio, specifically tuned exhaust system with … WebCC-1653195. 1972 Pontiac Firebird Trans Am. Stock Number: 1232 - 1972 Trans AM 455 HO - This is a Lucerne Blue Trans AM with its numbers matchin ... $139,900. Dealership Showcased. Web1972 Trans Am 455 Ho, 4 Spd, Lucerne Blue, 1 Of 458, Numbers Match Eng, Restored - Used Pontiac Trans Am for sale in Lincoln, Nebraska Lunny's Auto how fast is brisk walking speed in mph