Quote:
Originally Posted by greasemonkey
Phosphoric acid (Ospho) works great too. My old Trooper has all metric hardware, and when I did a frame-off on it I had a hard time finding new bolts. Just submerge the rusted hardware in the acid and check it occasionally. When the rust is gone, rinse off and paint. Rustoleum Professional worked well for me, it didn't chip off even under pressure from wrenches or ratchets.
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I think it is also called or there is a similar product called naval Jelly, basically the same I think. I have some on the shelf downstairs. I'll check next time I go.