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Antique Farm Tractors Vintage farm tractors on rubber tires with various implements. Ford, John Deere, Oliver, McCormick and more.

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Case model L - freeing the engine with vinegar?

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Old 08-11-2019, 09:05:26 AM
Kkliev Kkliev is offline
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Default Case model L - freeing the engine with vinegar?

Hey folks. I just purchased my first antique tractor, a 1929 Case model L. The engine is seized. I don’t know how bad yet because I haven’t drug it home yet. I want your option on freeeing the engine using vinegar. I had really good luck using vinegar to free cockshutt 770 diesel. What are the pistons and ring made of in the case?
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Old 08-11-2019, 09:27:23 AM
Molinegb Molinegb is offline
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Default Re: Case model L - freeing the engine with vinegar?

Tractors of that era were all cast pistons. ATF and paint thinner. Half and half is best formula.
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Old 08-11-2019, 11:06:18 AM
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Turbo Turbo is offline
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Default Re: Case model L - freeing the engine with vinegar?

In my experience using vinegar to de-rust parts, it will very efficiently remove rust from steel but NOT cast iron. I'm not sure why? I have always used a light penetrating type of oil to try to free up stuck engines.
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