Its aluminum cylinder heads feature 68cc combustion chambers ... compared to the LS376 crate engines. Supercharged Chevy ...
For the ZZ6, Chevy is working to improve the Small Block's high-rpm performance. To make that happen, the engine has Fast Burn aluminum cylinder heads and an updated valvetrain inspired by the LS ...
It's not unreasonable to say the Chevrolet small ... block Chevy, but still used pushrods and a 4.40-inch bore spacing. Most truck versions of the Gen III engine family had an iron block and ...