A Vortech for Your Vortec! – by Steve Magnante

One bolt-on makes any boneyard 5.3 eat LS7s for breakfast. Vortech Engineering has done it again. Now owners of 1999-2013 Gen III and Gen IV Vortec V8 engines (as pulled out of Chevy, GMC, and Hummer light trucks and SUVs) can install a belt driven V3 SCi supercharger...