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View Full Version : Upgrading to a 90mm TB



ForcedC5
July 19th, 2007, 04:43 AM
Just wondering what parts of the tune I should be looking at..


I picked up a TPIS (oval) Throttle body which I think is a 90. Got it installed along with a few other mods. When starting it flares to 3k rpm and setttles to 1100. Idle is set to 900 which it had done just fine prior to. It's also very sensitive since if I breath on the throttle it'll rev to 2k. I also noticed that if I let it idle, which it does at 1100, it'll rev on it's own to 2k every-so-often.

Fyi, got a hold of Marcin and he point me to the following which I'll try:
http://forum.efilive.com/showthread.php?t=4816&highlight=effective+area

Thanks Marcin!!!



Arnel