The big-block V-8 is so synonymous with classic Chevrolet performance that it seems kind of weird that it wasn't introduced until almost the 1960s. Chevy had the D-Series for a brief period of ...

Chevy's big block series started with the Mark I (W-Series ... but it re-introduced round intake ports such as the ones featured in the legendary Ram Air IV, which allowed for maximum airflow ...

The LS6 Was Only Offered In Two Chevy Models Despite Chevrolet having the most potent big-block engine on its hands ... cast iron port heads had a 2.19-inch intake opening and a 1.88-inch exhaust ...