Flash Rust and how to deal with it...

H

hans4811

Hey All,
Prepping my '55 chev for SPI epoxy primer....first let me say, I live in Fla, just blocks from the beach...heavy moisture and high humidity area, rite. So, I made the mistake of stripping the entire car down to bare metal, rather than doing sections at a time. I did this using a buffer set on low rpm (about 900rpm) with 80 grit...metal came out nice and shiny. Because I only have the weekends to really do this kind of work, it had to sit for a week and guess what? You got it....flash rust has set in big time !

So this past weekend, I broke out the buffer again with the 80 grit and redid the passenger side, door and quarter, and got that painted at least using the SPI epoxy. The other side is getting worse as we speak.

So am I okay with my approach to this ...by just hitting it again with the 80 grit ? My concern is obviously wearing the metal too thin or causing more work for myself when it comes to getting flat panels. Won't the epoxy seal it up anyways even if there is a little microscopic amount left ?

Thanks for any advice,
Ken
 
80 grit on a da sander and clean with wax and grease remover, then epoxy.
 
Sand as much of the body as you can prime in one day, then prime that section. Do the same around the rest of the vehicle until it is all covered. Only work on as much of the body as you can prime the same day or next morning at the latest.
 
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