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what to do about spall patches of frame rust 700 1989

posted by  beefstew on  Sat Jan 13 17:10 CST 2007
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last visit: Wed Jul 16 07:19 CST 2014
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While pulling off the exhaust manifold today I noticed a few (smaller than a quarter dollar coin) patches of rust on the subframe of my 745. None of the parches seemed soft enought to poke a screwdirver through, but the rest of the body looks pretty nice and I'd love to forstall the eventual heat-death of the universe...

So, what should I do about the rust? On old Saabs I used to just spray rubberized undercoating over the whole wheel wells once a year. Is this enough or should I polish with a grinder, prime and then coat with 3M spray-on rubber?





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New what to do about spall patches of frame rust [700][1989]
posted by  beefstew  on Sat Jan 13 17:10 CST 2007 >


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