It's hard enough to understand things that you can see. For instance, electronic fuel injection, Rubik's Cubes, and those with the double-X chromosomes. As utterly baffling as they may be, things get ...

Royal Purple's vivid motor oil doesn't just promise protection — it sells performance in a bottle. With claims of it being stronger than conventional oil, better oxidation resistance, and a Synerlec ...

There is only one way to find out for sure. Many Street Stock racing classes limit the ignition to stock-style replacement parts. For most Chevrolet and Ford engines, this means an HEI distributor is ...