Thread: 1940 gear oils
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Old 07-12-2022, 11:55 AM   #4
19Fordy
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Join Date: May 2010
Location: Coral Springs FL
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Default Re: 1940 gear oils

I use this in my 1940 Ford transmission and rear end.
https://www.oreillyauto.com/detail/c...ar+lube&pos=11

For winter driving you may want to use a lighter weight GL4.

https://www.oreillyauto.com/detail/c...ar+lube&pos=13

I have found Oreilly sells this product at the lowest price.
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