I just got some axles with 4.10s from a '85 2.8 XJ (non c-clip d35, non disco d30 w/small ujoints). I was planning to overhaul them, swap in some disc brakes on the 35, and upgrade to 297 u-joints on the 30 as a winter project. Well that was the plan, but I just found out that the u-joints in...