What Is The Biggest Big Block?

What Is The Biggest Big Block? The Chevy big block lives on in the aftermarket crate engines, derived from the Mark IV, that are available from GM Performance Parts. The largest displacement is 572 cubic inches. What is the biggest big block engine? At 1,005.8 ci, the “Godfather” is the biggest big-block engine ever built. … Continue reading What Is The Biggest Big Block?