We've all read the claims that adding a certain part or widget will add X-amount of horsepower to your engine, but are the claims actually true. Well, yes—and no. It all comes down to application, and ...

Howard Johanson displays three stages in billet cam manufacture. Rt., steel billet; center, rough-turned; left, finished cam. One word, conservatism, is the key to choosing a camshaft for an otherwise ...

The vast majority of gearheads fall into two categories when it comes to choosing a camshaft: those who go too big, low-end torque and driveability be damned; and those who go too small, ensuring good ...