Which differential fluid weight? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 05-26-2010
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Which differential fluid weight?

I am about to change my differential fluid in my truck. It's an 03 with the Ford 8.8 and 4:10 with limited slip. The owner's manual calls for 80w-90 oil but after researching, I am seeing that many people are using different weights. Just wonder if anyone on here has recommendations for a certain weight.

Alex
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Old 05-26-2010
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I'd put stock back in but dont forget the friction modifier.
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Old 05-26-2010
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Ok, if i buy like valvoline gear oil with the addiditives in it, will it have enough or should i add a little extra? Thanks for your help!
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Old 05-26-2010
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The "limited slip" gear oil will not require anything additional.
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Old 05-26-2010
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Ok, Thank you guys for the help!
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