With engines, bigger is typically better. Well, sort of. Bigger generally means more power, but it can also mean more headaches. More boost will give you more power, but it will also require more ...

Simply tweaking an engine's cam specs can transform it from a bring-on-those-3.08:1-gears torque beast to a give-me-rpm-or-give-me-death screamer. In other words, a cam has the power to impart bipolar ...

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, ...

If the cylinder heads represent the aerobic side of an engine, and the rotating assembly is its muscle, then the camshaft must be the brain. The cam is the component that signals when the valves open ...