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Thread: Need help asap!!!
08-14-2011, 07:32 PM #1
- Join Date
- Aug 2010
- Cedar Park, Texas, United States
Need help asap!!!
okay so cruising to kerrville to move into my dorm and it turns out my speedomete is off.....BIG TIME!! by like 9 mph and i know its because of the hypertech tuner and what i set my tire size too, i put it at 28.5 bc i have 285 tires but it didnt work right, so what is the actual diameter of the tires and rims i have? the info is in my sig, so any help would obviously be helpful!!!
zach2000 Chevy silverado Z71 5.3L V8 Ext Cab LT.
- Hankook Dynapro ATM 285/70R/17
- Helo 17'
- Spectre Cold Air Intake
- Hypertech Max Energy Programmer
-UWS Low Profile Tool Box
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