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Old 12-18-2012, 04:32 PM   #57
blazzin1


 
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Drives: 2010 2SS/RS R6P
Join Date: Nov 2008
Location: Seffner, FL
Posts: 4,260
Quote:
Originally Posted by L99BEN View Post
Couldn't one just use this to calibrate their speedo while leaving their factory tune intact?:


http://www.autoanything.com/performa...A3757A0A0.aspx



or

http://www.amazon.com/Hypertech-7320...SIN=B003CSQC86
Either way, it is an adjustment of the factory settings on the ECM, which in turn = loss of powertrain warranty in most cases (ask you local dealership to be sure).
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