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. At 454 cubic ...

Let's take a walk back in time—in 1970, Chevrolet introduced the 454 big-block engine. Unfortunately, this was also when government regs were starting to tighten up, and only a few years before the ...