GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

Is it the Tranny or is it the Tune??

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Old Dec 28, 2009 | 10:04 AM
  #31  
CharlyNali6.2's Avatar
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Originally Posted by Truckshop
So how much higher is the limiter vs. The shift rpm?
shoot i hadnt seen this,, umm i am not sure but i believe it slightly higher maybe bout 100 rpms?
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Old Dec 28, 2009 | 05:03 PM
  #32  
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these 6l80s are a bitch to tune shift points, especially when changing to other size rims/tires! glad u got it figured it out!
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