power

  1. Lb7x2

    Lacking Power 2001 LB7

    First post on this forum just looking for some help to describe my lack of power on my 2002 LB7. So I’ve got two LB7’s 2001 and 2002. The 2002 seems to have more power and boost than the 2001. Seems like the 2001 really works a lot harder to get itself moving along, although it does have...
    • Lb7x2
    • Thread
    • duramax fuel head gasket help injector lb7 power turbo
    • Replies: 16
    • Forum: LB7
  2. M

    LMM having trouble tuning without making truck "cough" when EGR disabled.

    New to tuning, I have built a few tunes with limited success. Well, actually no success yet. I have been having trouble getting a tune where the truck doesn't cough under boost and basically fall on it's face. EGR is disabled, timing bumped a little and desired boost levels raised slightly...
    • M.A. Services
    • Thread
    • cough economy lmm power tuning
    • Replies: 6
    • Forum: LMM
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