Bill's 87 performace is really good. My custom 87 even beat the 93 canned performance in just about every way.
The tire size can be adjusted but you can still do it yourself. When you change the tire size in the custom options menu you put the number in and program the vehicle. If you go back you have to select "load previous settings" otherwise it will stick a placeholder value into the tire size spot. You also need to check the gear ratio when you program because it does the same thing.
Having an incorrect tire size will throw off your speedometer/odometer as well as mess up some of the shift points and stuff if there is a large difference.
Hold off on sending it until after the 5th because PHP is busy moving. If your getting a cat back exhaust then you dont have to worry about a retune but it is highly recommended because of the intake.
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Sun, May 2nd, 2010, 12:09 PM
Hybrid Mode
