How many years have you been tinker-tuning your Corvette only to have to keep popping the hood for more tweak-tuning? Can't quite get the carburetor in a proper state of tune? Rough running, misfire, ...

We call it power stacking. It’s where a guy buys a bunch of bolt-on performance parts for his engine, each with its own rated power gain, and then he adds up all those listed gains and expects that as ...

Big boost power is the name of the game, and this month we're bringing the high-performance Chevy crowd a quadruple-digit power play. The test subject is a 496ci Rat witha Comp valvetrain, Dart ...

Last month we built a mild street engine using a factory Chrysler 383 block, crankshaft, rods, and cylinder heads combined with some aftermarket goodies from Comp Cams and Summit Racing Equipment, and ...