Just How Much Horsepower Can A Late-Model Chevy Astrovan Make? - Horsepower S2 E17
The Astrovan is back! We want to see just how much power it can put out. First, we add a freeflowing exhaust, then an air charger to help it breathe. Next, we reprogram the computer to get all the power possible when we put it on the dynojet. Finally, some tech tips on how to pocket port your heads.