Engine 454 CID V8 Horsepower 450 hp Torque 500 lb-ft Compression The monster 454 cubic-inch Chevy LS6 V8 arrived in 1970 with up to 450 hp, making it the most powerful production big-block engine ...

Famously featured under the hood of the 1970 Chevy Chevelle SS 454, the 454 V8 is a big-block engine that ... with a strengthened block, forged rods and pistons, round port cylinder heads, and ...