Which Differential Oil?

Originally Posted by TipsZ Would using the 75W90NS (without the friction modifier) harm the Differential at all? Are there any drawbacks to using the non-friction modifier oil? I believe the

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Which Differential Oil?

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12-16-2009, 08:37 AM

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Quote:

Originally Posted by TipsZ

Would using the 75W90NS (without the friction modifier) harm the Differential at all? Are there any drawbacks to using the non-friction modifier oil?

I believe the friction modifiers are used in clutch style limited slip systems. Corvettes continue to have a problem with sticking plates, hence their need for Friction modifiers in the gear oil. The Z has a sealed Viscous system so the fluid type has no impact there.

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