1 part epoxy primer and more primer..

Actually, that makes a lot of sense. So the same question for the primer ...light scuff and move on to the paint ?

thanx...

Why don't you just spray they epoxy, wait a day, spray your filler primer, do your metal work and recoat the repair areas?
Why don't you just spray they epoxy, wait a day, spray your filler primer, do your metal work and recoat the repair areas?