I know remote diagnosis is difficult at best. Nevertheless, your help would be appreciated. There is a vibration in the shift lever of my SM420, which is in a '59 3800 with 261. What is the most likely culprit: u-joints, transmission bearings, or something else?

Thanks,


Oldbolter
1959 Apache 3800 dually flat bed/dump with 261
1956 3800 dually flat bed/dump with 235
1957 3600 flat bed, 350 engine, 700R4, PS, disc brakes, 14 bolt rear with 4.11 gears