Which oil for the dana 80?

Which oil for the dana 80?

03-09-2004, 11:03 PM

#1 (permalink)

BarlowCummins

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Join Date: Jun 2002 Location: Nampa, Idaho Posts: 309 Old Reader's Rigs Gallery

Which oil for the dana 80?

I am getting ready to change the oil in my diffs, and i was wondering what are you all running? I am going to go with royal purple again but i am not sure which ones. RP has a 75w90,75w140,and85w140, i ran the 75w90 with no problems before but i tow almost everyday and the trailer is at max weight for the truck so im not sure which oil is best for the dana 80.

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