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 ...

Chevrolet and Pontiac were both owned by General Motors until the company discontinued Pontiac in 2010, with Chevrolet still going strong today. It's not uncommon for GM to share designs and parts ...