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Thread: Lmm 2009 GMC Sierra 2500 hd HELP tuning please

  1. #1
    Junior Member
    Join Date
    Nov 2018
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    19

    Exclamation Lmm 2009 GMC Sierra 2500 hd HELP tuning please

    Imma go short and sweet if u want me tell ya more ask but,,,

    I wanna understand the tuning more so then building them,, I

  2. #2
    Lifetime Member GMPX's Avatar
    Join Date
    Apr 2003
    Posts
    13,148

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    All your posts so far are very hard to read and comprehend, on a forum it helps to use full words and sentences. You'll get more help if people don't give up reading within 10 seconds trying to understand what you are saying.
    I no longer monitor the forum, please either post your question or create a support ticket.

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