sailsbury

hi all fitted rear sailbury axle on my 90 tdi last year .
have a wide york prop fitted now has a 4 inch lift , it has always had a nasty vibe since fitting it worse now with 4 inch lift .. fitted a double cardan on front . has anyone had this problem as i am thinking of going back too landrover axle as it is peeing me off , only fitted sailsbury as keep breaking diffs as i mainly use it off road . any ideas ??

4" lift is just way too much and you gonna have loads of probs

put my 90 back to 2" lift , and seems to be much better now