A long time ago, some hot rodder figured out that in order to be really cool, he had to have a car that not onlylookedfast butsoundedfast, too. That lopey, drive-in idle burble seems to play a big ...

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 ...

When the function of a camshaft(s) is explained to non-mechanically-inclined types, it's sometimes referred to as the "brain" of an engine. Most engines will live their entire lives with the stock cam ...

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 ...