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Old 01-20-2013, 12:16 PM
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Originally Posted by cobalt327 View Post
If the engine's running well, and seems to be getting better, I see no reason to not continue driving it.

Today's lubricants are a far cry from the crude (npi) lubes used in '40.

Eaton and CAT both use a 50w gear lube, but unless you learn something to the contrary I'd use a straight 50w motor oil.

You might want to ask over at P15 D24 forum, they cater to the old MOPARs.
I ended up using an SAE80 gear oil, which is what seems to had been in there before, Once I get better clarification from some Mopar experts I will swap over to the SAE50 motor oil if needed. Im not driving the car much just testing around block to test brakes, cooling, etc. Thank You
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