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  1. 04 AAM rearend

    01-04.5 LB7 Duramax Powertrain
    Looking at replacing my ring gear and posi unit in my 04 2500HD. Keeping stock ratio 3.73 but you cant buy clutches from AAM for the rebuild of stock carrier, so I will have to replace with entire new carrier (posi unit) any recommendations on best gear sets and Posi units? Thanks
  2. 06 LBZ troubles, Please help

    06-07 LBZ & LLY Duramax Powertrain
    :help I have an 06 LBZ 2500HD 4X4 extended cab, 59500 mile, Edge jucie with attitude, S&B cold air, MBR turbo back 4inch. About a week ago I was rolling down interstate about 75Mph when what felt like I lost traction and then it grab it and made like a knock/clunk sound (dry Rd). well then today...
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