Pontiac joined the American big block V8 rivalry with its rare 421 Super Duty engine, showcasing its dominance on the track in the early '60s. The high-revving 421 V8 boasted impressive specs ...

Although they were essentially made by the same company and called a 400, these engines weren’t the same. Pontiac made its block V8 in 1967. It was similar to Chevy’s except that all its V8s ...

Pontiac and Chevrolet were General Motors' sportier makes, leading each brand to develop unique, performance-oriented, 350-cubic-inch small block engines. Pontiac introduced its new 350-cubic-inch ...