Pick up any camshaft and it's pretty simple to see what it does. It turns, the little bumps come around and move the lifters, which-through the pushrods and rockers-open the valves. The truth is, ...

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 ...

Bigger is better, baby, and the hot rodder's battle cry is nowhere more in vogue than with the part-time engine-builder hooked on big-lift cams. But there's much more to the science of lobe crafting ...