Everything you need to know about the small gap between valvetrain components that is essential to the health and performance ...

You've probably read this line a dozen times: "It's never been easier to make horsepower than right now." While that's true, it also means everything else in the engine is now more highly stressed.

Taking care of your vehicle is vital to ensure it stays in great condition. Your brakes could give you trouble someday, or your suspension could require tinkering, inevitably leading you to an auto ...

Q:I have a 327 in my '31 Ford that features nearly the same cam and components as the one you referenced recently in Pit Stop (Nov. '12). Since a 1.6:1-ratio rocker arm will push the valve a little ...

Let’s say that you’re assembling your next street engine only to discover that the piston-to-valve clearance on the intake side is a little too close for your liking. You could add a thicker head ...

Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...