I looked around a bit but couldn't find an answer even my 87-88 parts catalog is confusing me. I recently picked up a transmission for my 87 LB 4x4 that came out of an 88 SB 4x4 and am curious about one big difference i noticed when I went to install the rear drive line. I am aware that the 88-89 had the longer cover for the back of the transfer case to accommodate the sensor and pulse wheel for the hub locked light that they added but I also noticed that the rear drive line yoke wont fit. I cant figure out if the long beds and extended cabs had a smaller yoke than the short beds or if they made it bigger for 88 and possibly newer? does anyone know if the U-joint size changed too or can i swap yokes so my drive line will work? I haven't seen any other threads where people have had this issue so i thought i would ask.
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