Racers have a very cool habit of finding competition in the most interesting ways. We know of guys who have the world's fastest leaf spring car, the fastest electric car, heck even the fastest ...

Most owners of bone-stock, or near-stock, LS1 vehicles have heard of handheld tuners. These wondrous little devices are best known for the ability to flash in a performance tune into the ECM-removing ...

The original "My First Stroker" series, the last installment of which was printed back in the January 2007 issue, was a success with GMHTP readers looking for in-depth coverage and analysis of a ...

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 ...