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  1. 06-07 LBZ & LLY Duramax Powertrain
    Has anyone recalibrated their speedometer for a new tire size with a superchips Flashpaq or Cortex? The Superchips website seems pretty clear that neither unit for my 2005 LLY can adjust the speedometer for tire size.
  2. Vehicle electronics/ Programmers For Sale
    Hey guys im looking to sell my superchips 2855.. great tuner just goin to more of a performance tuner this is more for towing applications.. any one kno where to sell :rockin :gearjamin
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