Primer question posted by Bigmatthew86 on August 12, 2017 at 09:10 AM
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If you hit metal you should use epoxy to seal the metal. I personally wouldn't use primer on a bare metal spot unless it was just sanded, and I was going to bc/cc it all at once. Otherwise you run the risk of rust forming under the primer. The last cars I painted (Im a DIY guy) that needed more then a scuff and shoot, I just blocked out the car, shot 2k epoxy, and scuffed the epoxy and laid the bc/cc on it.