Webster's Dictionary defines a camshaft simply as "a shaft bearing integral cams." A cam is defined as "a disk or cylinder having an irregular form such that its rotary motion gives to a part or parts ...

Performance may always lay heavy odds on power, but you also need the brains to go with it. The four-stroke internal combustion engine has been around for over a century, but we're still learning ...

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 ...