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’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 ...

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 ...

The Monte Carlo Landau 454 sits at the crossroads of luxury coupe styling and big block bravado, and its brief production window has turned it into one of Chevrolet’s most intriguing early‑1970s ...

In every car enthusiast, there is an underlying passion for power. Typically, that power is measured in an engine via horsepower. Though there can be some confusion as to how horsepower is calculated, ...

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 ...