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Old 12-12-2012, 02:15 AM   #1
DonandBonnie
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What kind of solvent?

I have a cast iron plaque with raised letters that has been soaked in motor oil that I want to clean up and paint. Does anyone have a thought on what kind of solvent will remove the oil? The spaces between the letters are quite small. Getting a wire brush into them is difficult, so I am hoping to find something that can lift the oil out without serious scrubbing.

The plaque is made similar to the highway historical markers found in many states, only not nearly that big.

Thanks,
Don
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Old 12-12-2012, 02:34 AM   #2
Ishler
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Brake/Parts spray cleaner available at any automotive store.
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Old 12-12-2012, 02:35 AM   #3
Tom S.
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Maybe an automotive degreaser might work. To be most effective, heat the plague before applying the degreaser. The warmer oil is, the easier it flows.
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Old 12-12-2012, 02:36 AM   #4
kdeiss
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I would use Lacquar Thinner or Xylene
Use both products in a well ventelated area be very carefull when using.
Both products well flash off and dry quickly
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Old 12-12-2012, 02:38 AM   #5
Tom S.
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PS: Just saw Mike's suggestion about brake cleaner. If you use that, do NOT use any heat. Some brake cleaners release a highly toxic vapor if heated.
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Old 12-12-2012, 06:40 AM   #6
Steve and Susie
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The brake cleaner will help loosen the oil, but do not paint over it without cleaning again with laquer thinner.
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Old 12-12-2012, 06:53 AM   #7
PatnRich
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My go to solvent,laquer thinner and a natural bristle brush. Also be mindful of your face and eyes...that stuff burns.
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Old 12-12-2012, 07:37 AM   #8
Rondo
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Don't know if it will work for sure but the Goop Off may take it off also.
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Old 12-12-2012, 08:37 AM   #9
moutard2
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Varsol works wonders and is very cheap!
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Old 12-12-2012, 11:53 AM   #10
kab449
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Any machine shop will have the facilities to sand blast it. You have to remove the surface contaminants and provide a good surface for the paint to stick.
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Old 12-12-2012, 02:36 PM   #11
Sierra 117
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You might try TSP cleaner. It is a water soluble degreaser.
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Old 12-13-2012, 11:10 AM   #12
Bill-N-Donna
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I believe I would simply use some dawn on it.
I believe that will cut grease.

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Old 12-13-2012, 02:34 PM   #13
Ski Doo
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Take it outside, spray a little brake/carb cleaner on it, and clean as much as you can.
Then wave a propane torch over it to burn off any residue.
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