And so it began the eternal quest for higher performance. If you're even only a passive enthusiast, you know that at its core, Otto's world-changing contribution to modern civilization is an air pump.

Today's low-octane unleaded gas mandates a compression ratio reduction for '60s supercars. The easiest way to lower compression is usually to swap on late-model heads; not only do their larger ...

Swapping out the old, tired, or broken engine in your car can be useful if you're looking to keep a classic car running or if you're looking for more power. And for a long time in the Japanese ...