I have a 07 impala ss the tires where changed to a 255/40/18 and the gears where also changed but that is ok could some one just give the exact break down on what to enter and where thanks
I have a 07 impala ss the tires where changed to a 255/40/18 and the gears where also changed but that is ok could some one just give the exact break down on what to enter and where thanks
what gears did you in ??
Josh Performance Tuning (956)784-0059
https://www.facebook.com/joshperformancetuning
3.29 gears
Did you see what this guy did? Might be similar. http://www.hptuners.com/forum/showth...on-Issue-Fixed