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 ...

Regular readers know we often run several Xtreme Energy hydraulic-roller camshafts from Comp Cams on our 347 dyno mule. Besides running well, those cams are good choices for a test engine because many ...

When thinking about a V-8 performance engine it is easy to visualize our machines as a mechanical symphony working in perfect symmetrical harmony. Such an impression, however, fails to recognize that ...

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 ...