This DVD contains almost 3 hours of highly detailed information. What are they? How do they work? Which type and size do you need for your engine? What do you need to do to an engine to be compatible with a supercharger? What kind of carburetors can you run? What about fuel injection? Old myths and wives tales about the reliability and street ability of supercharged engines are finally put to rest! Covering numerous types of blowers (both Roots type and centrifugal types), and several types of engines, with lots of great tips!