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Best Axle / diff oil to use?

Posted: Thu Oct 01, 20 12:30 pm
by Hearserider67
What's the best diff/ rear axle oil for an 8/34 surelock diff ? :help:
And do I need an additive too ? Also....axle gasket kit or silicone in a tube ?
Thanks Ian

Re: Best Axle / diff oil to use?

Posted: Thu Oct 01, 20 1:09 pm
by Dave999
if its a clutch or cone diff you need the friction modifier . sure grip additive from moper or one of the similar products from ford or GM

oil i'd guess 75W90 or just straight 90 gear oil

Re: Best Axle / diff oil to use?

Posted: Wed Oct 28, 20 8:29 pm
by dodge1968
Liqui moly 75w90lS