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 ...

Like intake manifolds and carburetors, it seems that valvetrain components are commonly replaced for a myriad of reasons, and at its heart is the camshaft. While some hobbyists perform a cam swap ...

If you were to fill a room with the top engine builders in the world, you’d be surprised to hear the various opinions on what part of the engine needs the most focus. Is compression the Holy Grail? Or ...

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 ...