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  1. J

    Allison 5sp: Trans problems after fresh rebuild

    Okay, so trans will be coming back out an be sent to a reputable builder in the area. Thank you for your professional opinion. Everyone i've talked to believes it's an electrical problem, but they seem unsure.
  2. J

    Allison 5sp: Trans problems after fresh rebuild

    I built the trans myself. The trans was working for about 20 miles, then it stopped moving. Trans has been completely torn apart and reassmbled since. Conveter choice was from a buddy who used to work for duramaxtuner. Pressure was tested with a 500psi guage at the port next to spin-on filter
  3. J

    Allison 5sp: Trans problems after fresh rebuild

    I have an 03 lb7 with allison, just had rebuilt with suncoast g-max 5 kit w/ midwest converter (stock stall). Have trans in truck topped off with fluid, replaced nsbu sitch, internal harness, and pressure switch assembly. Trans will engage into reverse and drive, but will immediately "range...
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