Quote:
Originally Posted by PureZL1
So i have been wondering what are the gains and if its worth it or not to unlock the transmission and get it tuned, also if it has to do something with changing the wheels to aftermarket wheels because i just got myself a rear only set of 18x10.5 race stars and when i got them on the car it got weird and started to slow down by itself when ever I exceed 30 mph.
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The tire height between the front and rears should not exceed 1" in difference or you will have transmission shifting issues most likely. What tires do you have on the front and rear?
I dropped to 275/30R19 front and 295/30R19 rears on APEX ARC-8 19" wheels so a bit over 1" less overall front and rear tire height and have absolutely no shifting issues or otherwise.