Introduced in 1970, the Chevy 454 -- affectionately known as the Rat Motor -- was the largest displacement Chevrolet engine to enter the big-block engine showdown of the muscle car era.
The 7.4-liter LSX454 V8 is a modern interpretation of the iconic 454 big block. The engine can be modified to increase its power output. With the single-plane carbureted intake manifold ...