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.

Let's examine the 454's engine specifics and which cars ... with a number of variants like the fifth-generation 454 big block and Gen VI Vortec 7400 truck engines, rated at 230 and 290 horsepower ...

Descended from the legendary big block 454, an engine that has powered countless ... It was both an answer to the competition's huge truck mills — the massive, powerful V10s offered by cross ...