FiTech recently introduced a line of affordable and easy-to-install self-tuning induction systems for GM LS engines designed with both the do-it-yourselfer and the professional EFI tuner in mind. The ...

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 ...

A few months ago, we hatched a plan to test every intake manifold for the LS3 engine that we could get our hands on. Given the popularity of the rectangular-port LS3 configuration, it was only natural ...

When we last left our intrepid Iron Maiden in Part III, we pulled down some serious power from an incredibly mild combination of parts. We had the small 5.3L ported heads from our pals at West Coast ...