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 ...
Equipped with a 400-horse, all-aluminum, 364ci LS2 powerplant, an '05 or '06 GTO is a sophisticated modern-day musclecar. Dubbed a "Gen IV small-block" by GM, the LS2 took the LS1's bore of 3.90 ...
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