Book excerpt: Street Supercharging, from industry veteran Pat Ganahl, has been the guidebook for supercharging fans for years, As time and technology march on, updates are required to keep things current, and that's exactly what this all new, all color edition of street supercharging does. Covered are blower basics, blower background and history, a tutorial on how blowers work, information on used superchargers and their practicality, chapters on the different styles of superchargers, like the traditional roots style blowers vs. the emerging centrifugal styles, blower installation, how to build your engine to handle the demands of a blower application, and even information on tweaking factory blower systems.