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 reportedly had big plans for the RA V, including a short-deck 303-cubic-inch version for the Trans Am and a 400-inch engine for other production models. A couple of additional versions ...