With Chevrolet, it had the small block "Mighty Mouse" engines and big block "rat" engines ... Both companies would come to release a V8 with a 400 cubic inch displacement. First was Pontiac ...

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 ...

The first big block Chevy engine was introduced way back in 1958 and was used in both passenger cars and trucks. The engine's legacy includes such classic nameplates as Chevrolet Impala ...

The Chevy 454 big block V8 is an iconic powerhouse in American automotive history, and it sat under the hood of some absolute GM classics.