General Motors' new LS2 small-block, which debuted in '05 Corvettes, GTOs, and selected SSR pickups, is something of an odd breed. Dubbed a Gen IV, the biggest physical differences between it and its ...
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 ...
Flash tuners are all the rage now. After the evaporation of ECM "chips" from the OEs' offerings around 1993, it took a solid 10 years or so for the PCM re-flashing business to evolve into the reliable ...
In part one of our Great Crate Update, we subjected a GM Performance Parts LS2 crate motor to a series of performance modifications, including a Comp Xtreme Energy cam, a FAST LSX intake, and two ...