In "LS1 Power Plan" (HPP Aug.-Oct. '08), our subject '00 WS6 T/A registered 381.1 rwhp and 365.8 lb-ft of torque, having gained an impressive 62.1 hp and 36.5 lb-ft. That "cam-only" configuration was ...

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 ...

General Motors has always had a stable footing in the automotive industry, but its small-block engines, particularly the many generations of LS engines, gained a cult following. And it's pretty clear ...

In the LS world, the little 4.8L is the Rodney Dangerfield of the bunch. Because of its size it just gets no respect. Even the 5.3L—just 0.5 liters larger—gets all the press, to say nothing of the ...