tuning 09 sierria mpg, 6 spd shifting, and cruise
Jul 24, 2010 | 04:34 PM
#11
Teching In
Joined: May 2007
Posts: 47
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From: Barrie, ON
I have a 2010 GMC Sierra 1500 SLT, same issues with shifting. New to custom tuning, who would be recommended as a good tuner and how exactly is this done?
Also, had a Superchips tune on my 04' and was able to install the stock file when it went to the dealer, so this is a must and has to be "undetectable" ?
Also, had a Superchips tune on my 04' and was able to install the stock file when it went to the dealer, so this is a must and has to be "undetectable" ?
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