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 small-block Chevy crate engine is the great performance equalizer; no single performance bolt-on has had more of a democratizing effect on citizens of the performance world than the small-block ...

It's not hard to find very small mass-produced gasoline engines, but diesel is another story. Diesel engines are more expensive to manufacture, so a small-capacity diesel in a cheap car can push up ...