I don't know if this have been posted before. This migth not be the correct forum for this post but I still think it's worth looking at... Its a 1962 VW bus with a 500hp 3.6 Bi - Turbo engine, 993 GT3 gearbox and suspension etc... Its awesome.. Take a look at the movie below, it race around a track.
Bus on track.. 28MB (Rightclick and save target as...)
http://www.race-taxi.ch/rollout.avi
Website
http://www.race-taxi.ch/