Dana 20 and 303 fluids reccomendation...

[Mach1460]

They both take 80w90 right? I am 70% sure, and I was having a hard time finding specs..anyone?

 

[SAYBYE]

What year? My owners manual for 66/67 says engine oil SAE 50 for above 10 degrees, SAE 30 fro below 10 degrees for transfercase. Standard tranny **** for a standard tranny.

 

[Mach1460]

Its a 69, I was thinking I should just get some lucas oil 80/90...