custm86
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- Kenosha, wisconsin
I've done a lot of searching and haven't found my answer. I'm changing the rear diff oil and want to be sure the WIKI is still relevant. It says to use 90/75. But some other posts ive seen recommend 70/140 with some additive. Can i get a few recommendations from the geniuses on here??? I appreciate any help!!! Thanks guys!!!! M1009 1986