[Sponge]

Originally Posted by GMCDAC

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Welcome from South Dakota! Even though this is from a 10 year newer GMC, a Dana 60 still looked like this I believe, except cleaner and less rusty! I also "dig" your whole truck---LOL! The experts here may correct me, but did you know that the grill GMC logo appears to be 1966?

DAC

That's what I've got, so a Dana 60.

For the oïl in this thing, Something like 75w90 GL4/5?