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  1. Anyone know if there is an adapter available to run a AMC 904 behind a 4BT?

    Transmission, Adapter, Transfercase Discussion
    I am planning to put a 4BTin my Jeep, but I really don't want to change my transmission. I know the 904 is a marginally rated unit, but I just rebuilt it with a shift kit, kevlar bands and a deep sump, so I'm pretty sure it could handle what I wanted to do with it. Since whatever I would swap...