1st off is it a ladder bar or 4 link ?
where are you taking your measurement from ?
i would say 5 degree of pinion is too much on any drive line..
4 links can get away with 1 degree up to 2-2.5 ( max).. ( less is better)
i cannot make anymore comments about your set up until you tell us more .
Brian
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Bjuice..
"I'M YOUR HUCKLEBERRY ! "