Ask Mobil 1 Archive - Limited Slip Gear Lubricants

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Date

Question

Answer

07/26/2009

Gear Lube to Use in a Newer Corvette

Does Mobil 1 Synthetic Gear Lube LS 75W-90 meet GM spec #88862624 for Dexron LS 75W-90? Will its use in my C6 2008 Corvette void its warranty?

No, it does not meet this spec. The GM spec product is designed with a very specific level of limited slip (LS) additive to provide optimum performance for that particular vehicle. Having said that, M...

07/06/2009

Will Gear Lube Viscosity Difference Cause Problems?

My vehicle is a 1997 Toyota Supra non-turbo and the replacement for differential oil says that I need Hypoid GL-5 SAE 90 gear oil for temperature above 18°F or 0°C. It says that GL-5 80W-90 is ok but ...

The sales person made a great recommendation. Mobil 1 Synthetic Gear Lube LS 75W-90 is an excellent choice. It will still provide the right operating viscometrics since it is an SAE 90 grade at tempe...

02/18/2009

Which Gear Oil Brand is Best for Porsches with Limited Slip Transaxles?

For Porsches with limited slip transaxles, I've heard that Mobil 1 Synthetic Gear Lube LS 75W-90 is too slippery for the synchros and that Mobil Delvac Synthetic Gear Oil 75W-90 is the preferred lube....

Mobil 1 Synthetic Gear Lube LS is specifically designed for limited slip differentials. It contains a nominal amount of friction modifier to satisfy the needs of many applications. Mobil Delvac Synthe...

07/05/2007

Please Clarify if Mobil 1 Synthetic Gear Lube LS 75W-90 is a 'Limited Slip" Product?

I just purchased your Mobil 1 75W-90 differential oil from Auto Zone. It mentions on the back that it's suitable for "limited slip" type differentials, however it is not very clear on whether a LS add...

We recognized that this was a potential issue. As a result, we have recently changed the label to adequately convey the limited slip feature of Mobil 1 Synthetic Gear Lube LS 75W-90.


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