I have 65 with 3:00-1 trac-loc rear end. What is the proper gear lube to use in it? I was told the noise I am hearing from rear end is probably caused by the wrong rear end lube.The service manual gives a part# and some additive to add. I know there is probably some already made for this rear,can't use regular 90w because of the clutch plates. What should I use.
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