I will bet your U-joint angle is off.. I run the
simple little straps with the 4 small bolts..
never broke any of that... thats with a 1.19
60' on a alum 8 3/4 rear
EDIT
Or your ladder bar angle is off(pinion angle)
wave

Last edited by MR_P_BODY; 04/15/18 01:19 AM.