If the rivets are shiny from rubbing on the flywheel or pressure plate, then the disk is definitely worn out. If there isn't much depth to the rivet heads left, I would replace the disk.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
