When Project Black Beauty last left the dyno, its ProCharger F-1C–supercharged 4.6-liter two-valve had just laid down 612 rear-wheel horsepower on E85. For a street-driven 2002 Mustang GT, that number ...
True or false? Turbochargers are the ultimate power adder. Which side of the fence you sit on is often determined by sheer bias, and there's nothing wrong with that. Like the hot girlfriend that knows ...