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Old 07-16-2005, 12:55 PM
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Galv coating?

Did GM use galvanized steel in the late '80's? It appears that my '87 P/U has a zinc based coating under the primer. As I am stripping it back to bare steel, does this need to come off too? Will it need to be acid washed or etched before priming/filling? (I'm planning on using SPI's epoxy primer)

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Old 07-16-2005, 03:15 PM
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Don't know if it was galvanize, but I do know GM had paint adhesion problems in the late eighties. I would remove it down to clean bare metal then use a two part epoxy primer on it.

Vince
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