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Username Post: gear oil
"17th Year" Silver Supporting Member
Posts: 2033
Loc: new york
Reg: 04-23-03
07-29-19 01:58 PM - Post#2771937    

Not trying to start an "oil war", but I do have a question. I am having the rear differential rebuilt. I presently have aftermarket "street gears" installed and it is too noisy for me. I have to wear hearing aids and between 40 -60 mph, the gear whine is excessive. Getting old sucks, but I hope you all get there. Anyway, the last time it was upgraded, I used an Auburn posi unit. No complaints. I have to purchase some gear oil since I am switching to a GM gear set to try and reduce the noise/whine. I have some redline on the shelf. OK to use or should I get some non-synthetic and the GM additive?
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