I’m having the same problem( not low power, but trailing smoke, want to get the timing looked at)with my b model. Can’t find somebody to meter...
I did attempt to dig this information up, and I believe the axle shaft splines are different but I was okay with transferring my 3rd member and...
My truck currently has Eaton ds38 rear ends with 3.70 gears but I’m in the process of working out the details to swap my air ride for a walking...