Tried searching for the rear end gear oil weight that is best to use. Several listed... But can't decide which is best..... I'm looking at the royal purple since people say you don't have to use the additive..... Which is the best weight???
gear oil
- Thread starter VIPR PWR
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I use 75w140 Royal Purple with no additive.
- Joined
- Nov 1, 2009
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- Reaction score
- 5
VIPR PWR said:
I couldn't edit my post but I looked at the bottle it's 75w90RP
according to Alldata it requires SAE 90 mopar axle lube + additive doesn't specifly that it's synthetic
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