#21293, "RE: why are my hubs different sizes?" In response to In response to 0 Nov-28-03 02:17 PM by WickedESi
I definately wouldn't grind your hub.
Get a brass wire brush for a dremel tool (or for a drill if you don't have a dremel) and go to cleaning that thing (the hub surface) off and see what that does for you.
Or just use some sand paper.
Joel Baldridge, ASE Certified Master Technician, Audi Certified Expert Technician