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Old 03-14-2012, 01:17 PM   #7
Cobb Tuning
NASIOC Vendor
 
Member#: 4803
Join Date: Mar 2001
Location: Austin, DFW, Portland, SOCAL
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The factory ECU logic has the ability to adjust for varying temperatures and atmospheric conditions. When the car is custom tuned, this same logic stays in place, but because the car has been fine tuned in a certain weather condition, the performance could vary slightly in severely different weather conditions. But using the AccessPORT, you can easily log your car to see how it is performing and send those logs to your tuner if you have any worries.

Ian
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