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 ...

Chevrolet is no stranger to the big block, having built multiple during the golden era of the muscle car in the 1960s and 1970s. The automaker hasn't lost its way over the decades, either, debuting ...