I have finished all the prep work that I can see. Of course I expect to see area's that need attention after I prime the car. Question is what primer do I use. I am going to try and use a ppg product from Napa. I have bare metal area's along with wet sanded painted areas and plastic filled area's. Should I use a epoxy sealer first then a hi build primer if needed and if not needed can or do I use a sandable primer next. I don't want the old color coming through even though it is red also as will be the final color.