Hi, TIA for your help. I'm assembling the rear brakes of a Type 65 Coupe complete kit with IRS rear end. The IRS brakes instructions say "Put the rotor on the spindle and hold it in place with a lug nut". Only problem is, although the rotor initially fits over the centre of the hub, it won't push back the last 1/8" and just rocks when I try to push it further. I've thought about trying to tighten it down with lug nuts, but that would be so brutal I don't think it would ever be possible to get it off again. It looks like I have the right parts, but why won't they go together?