Rebuild 904 or swap for 727?

If your going to spend the money, skip the 7290 Ujoints and go with 1350’s DrDiff has the slip yolk, pinion yolk and most drive line shops have the flang yolks for the drive line. Most of the 1500 and 2500 rams trucks are the 1350 yolks FYI and good for about 700HP.