Quote:
Originally Posted by BAN SUVS
No, it's the other additives. Note that it says that Shockproof still has the viscosity of typical 30w motor oil.
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Yes, but it is higher than the 75W90. You can't compare gear oil weights to motor oil weights. A gear 75W90 is about the same viscosity as motor 10W40 which is probably damn close to 30w.(
wiki)