Listen up resto-mod and performance car builders! Beginning next fall you''ll be able to buy the 638 horsepower supercharged LS9, the new engine built by GM to power the 2009 Corvette ZR1. The engine comes fully dressed and needs only an external oil and coolant tanks, an ECU and wiring harness. The engine features roughly the same dimensions as the 6.2L LS3 so its installation possibilities are plenty.
More...