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  1. TH400 binding forward gears, reverse in P, R, N

    Transmission - Hutch's Transmission Service
    In need of some troubleshooting advice for the problem I'm having with my TH400. Here's a list of mods and the current symptoms. Appreciate the help! -Stock Th400 case -CK Performance RMVB 1st gear transbrake -4L80E Direct Drum w/ 34 element sprag -Dual feed mod with bleed hole in direct drum...