Based on the info, I'm back to my original thought. I'm going to try to paint and seal them first. Worst case, I pooch the entire process and will end up having to replace them with repros.
Mark
68 Firebird 350 auto (sold) 70 Trans Am RAIII 400 4-speed (sold) 2011 Challenger SRT8 IE392 6-speed (sold) 2017 Challenger Hellcat 1966 Dodge Coronet 440