Why not try this setup. MVVS 26.
http://www.3drc.info/forum/showthread.php?t=610
Look at some of the videos of the performance of this setup.
http://mini-iac.se/forum/topic.asp?TOPIC_ID=22
http://mvvs.nl/MVVS/main_bestanden/petrol.htm
If you want more info just let me know.
// Lennart
SWEDEN