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Any chemists here?
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sven    Posted 10-29-2003 at 08:00:18       [Reply]  [No Email]
There is a fellow who posts in the tractor discussion forums, touting the merits of turpentine as a product to use for dissolving rust, and to loosen stuck engines. Now I am not a chemist, but I don't think turpentine has any properties which would allow it to interact with rust. Am I wrong? Or is this guy just pulling our leg?

GregWis    Posted 10-30-2003 at 10:59:01       [Reply]  [No Email]
The old saying in chemistry is "like dissolves like" meaning a hydrocarbon (like turpentine) will take off otehr hydrocarbons (like paint, glue, grease etc. ) Rust is mainly iron oxide which is not soluble in hydrocarbons (and only a little soluble in water). The turpentine may work , however by dissolving the grease and dirt that often accompanies rust.

Not a chemist, but just what i remember....

Redneck    Posted 10-29-2003 at 15:25:31       [Reply]  [No Email]
Transmission fluid is good too.

sHan in TN    Posted 10-29-2003 at 10:57:14       [Reply]  [No Email]
use plain water it will loosen stuff that is rusted and then once its loose coat it with oil to expell the water and your on your way. ive used water on all sorts of thing to free them up. if you think about it water ate the steel to make the rust in the first place so why wouldent it loosen the rust..check it out sometime. i had an OLD farmer tell me that a long time ago and i thought he was pullin my leg till i tried it...have a good 1......shan

RayP(MI)    Posted 10-29-2003 at 10:10:06       [Reply]  [No Email]
Turpentine is a "thinner" solvent than some listed below, which may allow it to penetrate better or faster than diesel, or other similar liquids.

Side question? ever trepentine the neighbor's cat?

BattleBorn    Posted 10-29-2003 at 08:27:16       [Reply]  [No Email]
Turpentine will not "react" with rust. In this example it is simply a lubricant. Will it work to free an engine? sure, but any other lubricant would work as well. It is a solvent, but won't "dissolve" iron oxides.

sven    Posted 10-29-2003 at 08:33:28       [Reply]  [No Email]
Thank you, that is pretty much what I thought.

Sure...    Posted 10-29-2003 at 08:18:30       [Reply]  [No Email]
Turpentine will 'free' up an engine...So will diesel/kerosene...As will vinegar and even water...


Bob/Ont    Posted 10-29-2003 at 08:15:26       [Reply]  [Send Email]
Don't know about turpentine but if you want to free up things that are rusted together or seized and rusted bolts. Put them into a pail of Diesel fuel if they are small enough. You could fill the cyls of an engine too but it wouldn't help much if the engine seized from over heating and smeared aluminium piston all over the cyl walls.
Later Bob

sven    Posted 10-29-2003 at 08:21:08       [Reply]  [No Email]
Yes, I have used diesel fuel, and brake fluid also works, none of these would work on an engine seized from overheating, I am talking about engines that seized from water getting into them, and then sitting for long periods of time.

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