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Diff Lube
September 29, 2010
1:19 pm
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Im about to change the lube in my Rubi diffs. Jeep recommends 4 Quarts - Synthetic SAE 75W-140 GL5. OK this much is known but what about brands. This has been a battle like Chevy vs Ford for years, and then someone comes out with a new product that is new and improved. I read about Pro Purple Max, Redline, and several other brands. Any recommendations on what synthetic lube works best?

September 29, 2010
2:58 pm
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BKGM Jeepers
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I run Royal Purple.

Amsoil and Redline are also good.

September 29, 2010
5:00 pm
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RobD
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I use Napa 85-90 gear oil, but I also change my diff fluid 2 to 3 times a year.

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October 1, 2010
4:05 am
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Justin
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"RobD" wrote: I use Napa 85-90 gear oil, but I also change my diff fluid 2 to 3 times a year.

x2

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