im a little confused about my Pinion Angle (I should have checked it after i install the hangers:( ) .im @ +7 total, the Pinion is @ +7 and the drive shaft is @ 0. if i use a -4 degree shim will that get me -1 degree total? also how wide of a shim dose a 04 use? im just trying to get this in check before i fab the traction bars