The days of the V8 are numbered. Four and 6-cylinder engines are here to stay. They are not tomorrow's powerplants, they are today's. So like it or not, hot rodders simply must get used to working ...

Most modern variable valve-timing (VVT) systems use a cam phaser that rotates the position of each cam­shaft relative to the timing chain. Think of making a record turntable go faster or slower by ...

Born in London, England, and now a naturalized American citizen, Bob Winkelmann has relied on his European road racing experience to develop the Stage 5 2-liter Pinto engine. Bob has been racing here ...

Everybody kind of knows what it is and has a picture in their mind of what a camshaft looks like, but maybe not a full understanding of what it really does or the technological advances that ...