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 ...

Chevy has one of the richest engine back catalogs in automotive history, but this V8 is easily the rarest the brand has ever built.

No doubt about it, building a big-block Chevy is a more expensive proposition than one of its small-block kin; however, many favor these engines because their easy power and bountiful cubes deliver ...

Chevy's 454 engine sets the standard for all other big-blocks. Most fat-block development centers around the popular Rat motor; cams, heads, and intake designs are developed for it first, then ...