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Bob Kontak Bob Kontak is online now
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Join Date: Nov 2007
Location: North Canton, Ohio
Posts: 20,836
Garage
I searched long for a procedure before painting.

Wipe or brush Ospho on after removal of all but pits as you have done. Walk away for a day. Put more Ospho on to "loosen" up the dried acid the next day. Brush/agitate and flush with water (Javadog's baking soda water mix should work).

It will immediately flash rust. It's fine to put an epoxy primer on the flash rust. POR15 could be applied once dried for your case. I was painting the hood of a truck.
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1981 911SC Targa

Last edited by Bob Kontak; 12-16-2025 at 02:57 PM..
Old 12-16-2025, 02:51 PM
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