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 ...

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 ...

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, ...

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 ...