What was the bore of a 1970 Pontiac 455?
Development The Pontiac 455 V-8 was actually a bored out 428-cubic-inch V-8 with a bore and stroke of 4 inches by 4 inches. For the 455, Pontiac expanded the cylinder bore to 4.152 inches and the stroke to 4.21 inches. The 1970 to 1971 Pontiac 455 generated 325 and 455 foot-pounds of torque.
What kind of engine does a Pontiac 400-455 have?
Featuring a Pontiac 400 cubic inch block stroked to 455 cubic inches, this authentic Pontiac stroker is perfect for street and strip use. The 400-455 is pump gas friendly for the mild daily driver.
What makes Jim hand’s 455 Pontiac power special?
Jim’s amazing success is attributable to his meticulous approach to engine building, tireless approach to supertuning, and his use of well-matched engine components to furnish power from idle to 5500 rpm. A real detail man, Jim has carefully tweaked the engine and chassis improving upon its performance a little at a time.
Can You rebuild an Oldsmobile engine in Pontiac?
Rebuilding an Oldsmobile engine versus rebuilding a Pontiac engine is not really that different as far as a machine shop is concerned. There are no real differences whether you are rebuilding a Ram Air III, IV, SD 455, or base 400 engine. Rebuild kits are available from most performance retailers, including Jegs or Summit Racing.
Development The Pontiac 455 V-8 was actually a bored out 428-cubic-inch V-8 with a bore and stroke of 4 inches by 4 inches. For the 455, Pontiac expanded the cylinder bore to 4.152 inches and the stroke to 4.21 inches. The 1970 to 1971 Pontiac 455 generated 325 and 455 foot-pounds of torque.
What kind of engine does a Pontiac 455 have?
Development. The Pontiac 455 V-8 was actually a bored out 428-cubic-inch V-8 with a bore and stroke of 4 inches by 4 inches. For the 455, Pontiac expanded the cylinder bore to 4.152 inches and the stroke to 4.21 inches. The 455 powered the Pontiac GTO and Firebird.
Jim’s amazing success is attributable to his meticulous approach to engine building, tireless approach to supertuning, and his use of well-matched engine components to furnish power from idle to 5500 rpm. A real detail man, Jim has carefully tweaked the engine and chassis improving upon its performance a little at a time.
Rebuilding an Oldsmobile engine versus rebuilding a Pontiac engine is not really that different as far as a machine shop is concerned. There are no real differences whether you are rebuilding a Ram Air III, IV, SD 455, or base 400 engine. Rebuild kits are available from most performance retailers, including Jegs or Summit Racing.