Shorter/shallower dust caps?

A long time ago i ran into some brake rotors incorrectly machined. The register on the dust cap would botom on the center hub of the brake rotor before it was near the end of the spindle. I chucked the rotors up in the brake lathe backwards and then used the drum cutter to cut about 100 thousandths off of brake rotors hub face. I had to knock the studs out first.
it has been a couple decades so i cant recall what it was on. Im thinking old corvette but not sure.The only reason I remember is I hated having to repair new parts to do a job while trying to hit flat rate. It was the kind of thing that enraged