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-   -   Mixing gear oil (http://www.wranglerforum.com/f210/mixing-gear-oil-250451.html)

adkjoe 06-19-2013 05:25 PM

Any reason these two can't be mixed valvoline durablend synthetic blend and regular valvoline both 80w-90. Am about to refill the front diff would like to use these up. Both meet same specs etc...

http://imageshack.us/a/img849/1853/hgf1.jpg

Otto Man 06-19-2013 05:32 PM

mix 'em! You can mix engine oils, and they make blended oils, so why not gear oils.

adkjoe 06-19-2013 08:24 PM

Well I ended up just putting In a new steering stabilizer tonight, not enough daylight to do the diff. Anyone else see a problem with mixing those two valvolines?

Plowboy1970 06-19-2013 08:26 PM

Mix away.

adkjoe 06-20-2013 08:54 AM

Alright good, I like using up old supply!

bato 06-20-2013 12:10 PM

I've always wondered if this would be a problem. Like you I have a couple different bottles of Valvoline and was wondering if it was OK to combine them and throw them in the diff. It's really OK to mix a blended synthetic and a conventional?

Jerry Bransford 06-20-2013 12:26 PM

Quote:

Originally Posted by bato (Post 3881666)
I've always wondered if this would be a problem. Like you I have a couple different bottles of Valvoline and was wondering if it was OK to combine them and throw them in the diff. It's really OK to mix a blended synthetic and a conventional?

Yes absolutely, SAE-rated synthetic and conventional lubricants are compatible with each other. Even different viscosities. Like if you mixed 70W-90 with 80W-120, you'd essentially end up with a 75W-105. :)


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