Aless_andro00
Active Member
Royal Purple 75-140 gear oil already has all the additives mixed in that you’d typically need, so you won’t have to worry about adding anything extra.I wanted to change the rear gear oil in my car. The original factory oil is still in there.
I saw royal purple 75-140 available near me for pick up it even comes with a little spout so I won’t have to buy a pump.
Is this a good choice ? Do I have to add some addictives in there ?
Also how many quarts do I need to buy ?
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