Chevrolet’s big-block V8s have never been subtle, and few pairings spark more debate than the 396 and the 454. Both are Mark IV “Rat Motor” legends, yet they deliver power, character, and practicality ...

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 ...

Cars mean different things to different people. Maybe you had a car poster on your wall as a kid and always wanted to make that hot-rodding dream a reality. Maybe a friend owned the dream car you just ...

The Suburban that carried Chevrolet’s biggest big-block was a short-lived, heavy-hitting answer to the early 1990s horsepower wars, and it has since turned into a niche collectible with very specific ...

During the era when muscle cars reigned supreme, GM's Chevrolet division developed some of the greatest big-block V8s of all time. Since the early 1960s, American carmakers started offering more ...

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 ...

Gilbert Smith is an automotive journalist with over five years of specialized research and writing experience. Before joining CarBuzz in 2024, he produced in-depth buyer’s guides and feature articles ...

Oooh, two General Motors V8s within a cubic inch of each other! They have to be nearly the same engine, right? After all, the Chevrolet 454 and Pontiac 455 come from the same corporate parent, and ...