What kind of diff fluid do I put in a stock d-60?
Also what kind of fluid do I put in a open 14bff? Do you put different fluid in a rear axle if it has a detroit locker in it? Sorry for all the questions but I never put fluid in a axle before and dont want to use the wrong stuff. Thanks
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<font color=green>Gear oil in both. I don't think that a Detroit needs additive, generally only l/s diffs use additive. 80w-90 is a pretty standard viscosity grade for diffs.