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.

Movement of the piston creates a pressure drop across this window. In fact, the relationship between piston movement and valve movement can affect net cylinder filling (volumetric efficiency or VE).

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 ...

In the pre-LS era, a typical small-block-powered street car would rev willingly to around 5,000 rpm. You could assemble a cam package for it—even using heavy components—and you probably wouldn't have ...

Ferrari has filed a patent for an engine with pill-shaped pistons, a radical departure from traditional circular piston ...