hey guys, i was setting up my 8.5 the other day and ecountered a problem. when i put the pinion in the case with the crush sleeve, and tryed to tighten it down, i could never seem to get the play out of the pinion. so that means i dont have any preload. it seems as though it bottums on somthing, but when i remove it from the case and put it all together as it would be in the case, its fine. any suggestions?