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 ...

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 ...

For decades, collectors treated a numbers-matching car as the gold standard, while modified classics sat a step below. That ...

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

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