In general, the General Motors Vortec 5.3-liter V8 is a powerful, dependable engine. If you're not familiar with General Motors' Vortec engines, they are a family of small-block V8s that GM put ...

As if that was not enough of a downer, GM also made it hard for the aftermarket to add boost to the 5.3- and 6.2-liter small ... unlock and calibration, the supercharger package includes a ...