This diagram shows the major cam events through one full cylinder cycle (two crank revolutions or 720 degrees), beginning at TDC firing. The exhaust lobe and valvetrain is closer to the front, and ...

Cam swaps are all the rage and for good reason. Adding an aftermarket cam to an otherwise stock engine can boost output by 40-60 hp (or more) with no other changes (except possibly a valvespring ...

Engines are cool. They make noise and lots of power. That's what we're interested in--power. But in order to make that grunt, there are certain things you really should know. For induction and exhaust ...