Chevrolet has been a cornerstone of American automotive innovation, particularly in the realm of engine development. While some of its achievements have become legendary, others have quietly faded ...

If you stop and think about it, one engine has made motorsports in the United States for nearly 50 years. The Offy was a great engine, as was the four-cam Ford. Who can forget the mighty Mopar hemis?

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.