Could somebody please help me on putting on my levin twin pots everytime i put them on the carrier scrapes against the inside of the disk! i start off by putting the disk on the 4 studs and putting all wheel nuts on so keeps the disk stable , then i put the carrier on, put the 2 17mm bolts in the back tighten them up and then i go to spin the disk and it scrapes i dont know how to get around it ? anybody help would be much appreciated pulling my hair out over this !! thanks