The Chrysler Hemi and Chevrolet big block did more than power quarter-mile passes. They became shorthand for two rival philosophies of American horsepower, each with its own mythology and fan base.

American engines are some of the most powerful ever made, with U.S.-based automakers seemingly in pursuit of ever-higher ...

Discover the story behind Chevrolet's highly secretive Mystery Motor, and why its potential never got fulfilled.

At one point, Oldsmobile created a behemoth of an engine with 32 valves and 455 cubic inches. But regulatory issues meant it ...

The Buick Gran Sport, also known as the GS between 1970 and 1972, stands as a top-tier example of American muscle, blending ...

The Big Block motor that spearheaded the muscle car era. We dive into the details behind this impressive engine and its legacy. Debuted in 1970, the Chevy 454 Big Block became iconic for power and ...

The Chevy 454 Big Block V8 is one of the most legendary powerplants in American automotive history. Known for its massive displacement and stump-pulling torque, it powered everything from muscle cars ...

The General Motors Flint Engine Operations plants is producing a sixth generation small block V8 engine to power the 2027 ...

In the library of internal combustion engines, there are two sections. One has engines that are precision-engineered masterpieces. The other belongs to robust engines, designed to survive Armageddon.

Displacing 6.7 liters, GM's new small-block V-8 makes 535 horsepower and 520 pound-feet of torque, the highest output of any Chevy Corvette base engine. Dubbed the LS6, it features a lofty 13.0:1 ...

GM Authority is taking another look at the 2026 Chevy Colorado Stars & Steel with the following photos, as well as ...

Rare 1976 Chevy Vega Cosworth #3473 features a 2.0L DOHC engine, a 5-speed manual transmission, and original documents.