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  1. 11-16 LML Duramax Powertrain
    Ive got a 2011 Denali LML that i bought used in 2019 with 200k miles on it, truck came fully deleted but with no tuner module or any indication of what type of tune is currently on it. Currently its sitting parked up at 270k because it now needs head gaskets. In addition to head gaskets and...
  2. 04.5-05 LLY Performance Parts Discussion
    Alright I’m trying to tune my lly duramax and there are dsp5 switched on duramax tuner for like 40 bucks do these come with tunes or do I need to load tunes on these. Also I’m gonna have a cts3 display will that cause problems. Thanks!
  3. Gauges, Electronics and Wiring.
    I have a 2015 lml and tying to find the best splitter for a edge evolution cts3 tuner with banks throttle monster. Can you guys tell me what splitters you’re using and like?
  4. General Discussion
    I’m 15 and kinda new to cars and trucks. I’ve been looking around on yt, and google on what a lobe tune is and what it does and how it works but I can’t find a general answer on it’s use’s and how it works. So can someone please explain it?
  5. Interior
    I recently bought a 2013 LML and it is deleted and Tuned. it has an h and s minimax and it won't switch performance levels. from what I understood you can switch on the fly? Mind you I am brand new to the diesel and tuning world but I'm happy to be here. Thanks
  6. EFI Live
    Do EFI live tunes with the 5 click only work with presets or can they be modified? Im only curious because I bought a truck with what im pretty sure has EFI live on it (with the 5 click knob) but im not going to turn it past 1 until I know what the tunes are. Any help is appreciated. Also - I...
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