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  1. 911 Problems Forum
    2015 Gmc 2500hd Denali Fully deleted Straight pipe Ez link 5 switch tuner H&S turbo top pipe Airdog 150 Cold air intake. 187k miles Problem started 11 months ago after a wreck and had to put a brand new frame on the truck. Truck was fine for roughly 3 months after frame swap. Then randomly...
  2. Introductions
    I have a 2015 lml been having issues since frame replacement after wreck. At least that's when the problem started about 30 days after frame replacement. It all started when it got super cold in Texas last February. Driving on a incline at about 1750 rpm the truck hesitates just a little bit...
  3. 11-16 LML Duramax Powertrain
    Hello, I headstudded my duramax without pulling heads using a xotic kit. Everything went well coming apart and going back together. However it was on a Sunday night and I don’t have time to finish so had a buddys shop finish putting intake stuff and harness back together. Told me he started...
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