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  1. CrankyDiesel

    LB7 to LBZ true Swap

    This might be a little long so bare with me. I just bought a 06 LBZ CCSB, non running from the information I've gathered its a 06 body on a 02 frame. "Previous owner" had a LB7 in it. he swapped the 06 Dash out with a 01-02 to make the old LB7 motor work. So with all the Engine, Transmission...
  2. ClappedDmax

    Help please, dropped driveshaft

    Hello, I’m new to owning a DuramaxI, my truck is a 2004 GMC Sierra 2500hd lb7 with 390k. I need help/advice on what to do. I recently had a buddy install ujoints (duralast brand) because the gear clunk & vibration when driving. After install I drove 40mi. to St. Louis & on my way home, Im...
  3. kelso06

    4wd problems

    2004 chevy, aftermarket keys (previous owner) torsion bar bolts almost all the way out, new tierods, control arms, ball joints. Drives straight and doesnt jerk in 2wd but in 4wd if you even turn the wheel just a little bit itll jerk the wheel super hard in the direction youre turning. Kinda...
  4. C

    Need help with LB7/Allison 5 Speed

    So I had a small incident and ended up having to replace my Tcase tail housing, extension housing, bellhousing, torque converter, and the Adaptor plate on the back of the engine. I got all this done and installed correctly as far as I know (flipped tranny on its face when installing extension...
  5. 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
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