This unstoppable tank of an inline-six continues to be the base of the craziest high-horsepower builds more than 30 years ...

C8 fans have a new reason to be happy as the folks at HP Tuners have cracked yet another Corvette engine control module. On this occasion, the company has gained access to the ZR1's electronic brain.

When the C8-generation Chevrolet Corvette arrived with General Motors’ new Global B electronics architecture, we were all told that the car's engine control module was not going to be able to be tuned ...

When it comes to hand-held tuners that modify the factory tune on a mildly upgraded Mopar Hemi, the Predator was the tuner of choice for nearly a decade. At the time of its introduction, the Predator ...

The Gen III LS1 engine factory-installed in '98-'02 Firebirds, '04 GTOs and the Gen IV LS2 between the fenders of the '05-'06 GTOs are excellent powerplants. Current LS2 engines are rated at 400 hp ...

Their latest press release announces a power kit for the smart fortwo and forfour. It is a software upgrade for the original ECU of the 0.9-liter engine, but it brings significant enhancements ...

For many cars, their real life doesn't begin at the factory, but at the moment they roll off the dealership lot, and into the hands of an owner. For car enthusiasts, modification is a cornerstone of ...