It's appropriate, we think, that a camshaft has lobes, since this relatively simple device is so often called the brains of an engine. And indeed, a camshaft does direct several engine functions in a ...

It's time for egghead theory and speculation to put up or shut up. Elsewhere in this issue, you'll find pages upon pages of scintillating tech theory explaining the fundamentals of camshaft dynamics.

You just can't beat the nostalgic ground-pounding sound of a lumpy bumpstick and the whine of a gear drive. Even from miles away, everybody knows you are coming before you pull up to the local car ...