My 1980 CJ-7 258ci came with an AMC 904 tranny, non-lockup.LEVE said:
I had it rebuilt and a low-stall torque converter installed. What a WORLD of difference in driving. Obviously, didn't need as much pedel on take-off, but lacked top-end speed. I maxed out at 120kph, (65 mph i think).
Subsequently, I was de-frauded by the garage and they destroyed the tranmission housing. Aparrently, when the over-running clutch fails, it shear's off the internal housing mounts, and makes the whole transmission housing useless, and i was left without a re-buildable transmission.
I've spent the last 7 months trying to convert it over to a standard. Should be running a T-176 by months' end.
Good luck.