Surface rust removal

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Jul 22, 2010
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Southern Oregon
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Hey all, my '58 Spitfire has been in the carport for too long. There's light surface rust on the frame (on the paint). What's the best way to remove this without putting the remaining paint in jeopardy? And once it's clean, what can I coat it with (car wax?) to keep it from re-rusting?
 
May 18, 2020
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Post a photo if you can, knocking down rust can depend on a few factors such as how bad it is, paint color, if the paint is original.
 
Jul 25, 2016
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Chicago - far west burbs
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Theres oxalic acid, or citric acid, or vinegar bath for the whole frame.

Ive had luck just soaking a rag in vinegar, wrapping the area that needs help (bottom bracket) and keeping the rag wet. Dribble on more vinegar every few hours. Works well for spot treatment. Area needs to be grease free.

Good coat of wax keeps it protected, or boiled linseed oil, though I prefer danish oil they work the same.
 

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