here are some links that might help

http://www.cb7tuner.com/vbb/showthread.php?t=17090

http://www.gen5alive.com/forums/showthread.php?t=176

http://www.cd5tuner.com/vbb/showthread.php?t=4208


***The Forced Induction Forum FAQ Thread-Turbo Size, Injector Size, Turbo Manifold***