When introduced for the '05 model year, the C6 received the evolutionary Gen IV LS2 powerplant, which carried ratings of 400 horsepower and 400 lb-ft of torque. While the new engine's cylinder heads ...

When HPP was approached by Jeremy Formato at Fasterproms about increasing the power in our '05 6.0L LS2 GTO without breaking the bank, we were all ears. He suggested a simple swap to a cost-effective, ...

If you're just tuning in, we're installing a Trick Flow GenX top-end engine kit, which features 225cc CNC-ported cylinder heads, a camshaft with 228/230-degrees duration at 0.050 and 0.585/0.585 lift ...

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 ...

Here at GM Authority: The Ultimate Independent Destination for all things General Motors, we would like to think that you can stick an LS-motor in anything to improve it, but sometimes people find ...