Greetings . . .

All I can offer is ideas - no experience here. Many primers are epoxy based. One can get clear epoxy.

How about clear epoxy as a 'primer' prepped just like normal primer for a clear coat finish?

But I am hearing John's posting echo - $$

And how you get the metal to be 'defect free' is another issue. What's your plan here?

In my mind it's like the centerfold in last month's gentlemans magazine - without an airbrush retouch on the photos she has blemishes and zits just like the rest of the population . . .

regards,
stock49

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