There’s a very distinct trickle-down system that flows from the racetrack directly to the street. Everything from intake manifolds to the latest exhaust header technology is fair game, and this ...

There is no doubt that the stud-mounted rocker systems that are commonplace on Magnum small-blocks are simpler and easier to work with. But there's a reason why any high-end race team, whether it is ...

An engine that just doesn't perform as it should at high speed on the dyno or racetrack can induce a series of checks that usually first includes measuring the pressure and volume of the fuel being ...

Engine performance is like a complicated formula in which each individual part plays a role in the final answer. Some parts of the formula affect the final outcome more than others. The valvetrain ...

Any gearhead worth his or her salt knows that whether it's a SOHC, DOHC, or OHV engine, the camshaft is considered the brain of a four-cycle internal combustion power plant. The camshaft's profile ...