Engines are fundamentally air pumps. The more air you can get into an engine, the bigger the combustion and the more power you can extract. […]

Braking is more than just stopping – it’s the conversion of kinetic energy (KE = ½mv²) into thermal energy (heat). The best brakes aren’t necessarily […]

The “golden ratio” of combustion is the precise balance of air and fuel. As performance modifications increase the amount of air an engine can ingest, […]

Many people think of an exhaust system merely as a way to make their car louder, but that couldn’t be further from the truth. An […]

Reiterating the engine as an air pump analogy, the cylinder head ports represent the most significant restriction in that pump. Porting and polishing cylinder heads […]