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 ...

As the 454 SS name implies, the truck featured a prominent member of the Chevrolet big block engine family under the hood. The 1990 454 SS pickup truck used a fourth generation Mark IV big block ...

A Chevy big block brings the thunder, whether you're roasting tires with a rowdy 454 or towing your toys in an 8.1L Vortec-powered rig. However, let's get one thing straight — these engines ...