Improving upon the LQ4, the LQ9, marketed as the Vortec HO 6000 ... SUVs and pickup trucks from 2002 to 2007, when other GM 6.0L engine versions replaced both LQ engines. Prior to the financial ...
LQ4 LS Truck Engine Dyno Westech 464 hp Dyno testing of our rebuilt LQ4 6.0L LS-variant truck engine at Westech Performance where it made 464 hp at 6,300 rpm Related Videos ...