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.

Thus, the Chevy 454 big block, an engine that would reign for years, was born. The original 454 was a 7.4-liter, 454-cubic-inch V8 engine that produced 450 horsepower and up to 500 pound-feet of ...

This 900-plus-hp Supercharged LS-swapped 1970 Chevelle SS was built by Schwartz Performance to roast tires and cruise the country!

Chevy's Vortec 8100 — AKA the L18 ... Descended from the legendary big block 454, an engine that has powered countless muscle cars and hot rods throughout the decades, it debuted in 2001 ...

The Chevrolet 454 Big Block V8 was created during the muscle car era and was one of the largest engines of its time, with a displacement of 7.4 liters. The engine could produce 450 horsepower ...

An experimental race engine that was canceled before it got to race, the Mark IIS "Mystery Motor" remains one of the most fascinating V8s built by Chevy ...

Introduced for the 1964 model year as a competitor for the Ford Fairlane, which had been downsized in 1962, the Chevrolet ...

Once a staple of the hot rod and modification scenes, the era of the big block V8 engines has largely ended thanks to technological advances in the 1980s and 1990s. The result was 340 horsepower ...