Well, I didn't get the drive shaft off the parts truck. I'd still like to do that, but in the meantime I did get the one on mine phased properly which I think may have been my problem. I won't know until I can get up to 30-35 MPH in 4wd. Maybe we'll get some snow and ice next week.
'86 Volvo 740 Turbo Wagon
'90 Isuzu Trooper LS, 3.4L 60ºV6 (3.1L MPFI intake, '7727 ECU)
'96 Range Rover 4.6 HSE