Quote:
Originally Posted by mitch 01
I am pretty new to this performance thing. I have a 01 GT Auto with CAI, under pullies, 75mm TB and Plenum, and Flowmaster 40 catback. I don't know what to go with next, a tune to get everything working together or throw in 3.73s or what. If there is any advise out there please let me know.
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Gears are one of the biggest bank-for-buck changes for these cars. I personally recommend 3.73 gears for daily driver manual tranny 99-04 stangs, but with the AOD I'd consider 4.10's as well (the auto sucks down quite a bit of power lost in the drivertrain, and the extra gears help this problem).
If you're looking to put a twin-screw blower into the car, wait. Your gearing needs for those torque-machines are closer to the stock 3.27's (maybe 3.55's if you are going to put lots of rubber under the rear).