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 ...

Camshafts are one of the most confusing components in an internal combustion engine. What makes those lumpy bumpsticks even more confounding is the sheer number of grinds available, and then multiply ...

Two cams with similar durations at 0.050-inch tappet lift can behave differently depending on the profiles' intake and exhaust opening and closing points. The characteristics of the same cam can also ...

This is not a modification for the faint of heart. Once you start taking a Four-Valve, four-cam modular small-block apart, you'll think that the parts will never go back together. Unless you want to ...