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Slim Jim Fluids


RASCARS

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Does anyone have any experience with using Synthetic Transmission fluid in a Slim Jim?

I am about to service my Slim Jim in my '63 Starfire and I was contemplating using a synthetic fluid.

I would really appreciate your information, suggestions and experiences you can share with me.

Thank you

Bob

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Slim Jims are such weird animals that I'd be wary of using synthetic unless the trans was newly rebuilt. Even then it may not be compatible with the clutch facings.

Most folks now are using Dexron in older HydraMatics. D-II was probably better for Slim Jims than D-III, but I haven't heard of any failures directly caused by using it.

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