Friction Modifier for rear dif?

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Apr 6, 2008 | 09:43 PM

glide

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From: Charles Town, WV

Friction Modifier for rear dif?

The title says it all. Does the Z with a locking rear dif need a friction modifier additive when changing rear dif fluids?

TIA

Apr 7, 2008 | 09:10 AM

SpoilsofWar

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From: Way North, New York

Are you talking about the factory VLSD? Or an aftermarket LSD?

If factory then no.

If aftermarket, follow the guidelines of the manufacturer.

Apr 7, 2008 | 09:48 AM

Motormouth

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From: not here

some fluids (motul and redline for instance) include a package in thier oils, so you don't have to mix it.

not sure about others though.

Apr 7, 2008 | 10:03 AM

glide

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From: Charles Town, WV

Quote:

Originally Posted by Motormouth

some fluids (motul and redline for instance) include a package in thier oils, so you don't have to mix it.

not sure about others though.

My Corvette requires 4-6 oz but none is required with Redline but is with BG. So....I guess its included in some synthetics. It isn't mentioned in the Z manual though.

I guess it can't hurt, can it ???????? I'm so confused! Suppose I'll ask Nissan. They always want to sell their brand though, not a bad thing.