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Ask Mobil Archive -
Corvettes
DateQuestionAnswer
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,Mo...
12/17/2008
Does 10W-30 Provide Better Protection for Corvettes?
Some experts on the forums I read are of the opinion that Mobil 1 10W-30 provides better wear protection for my C5 Corvette than the 5W-30 that GM recommends. The car is out of warranty. Which is best...
We recommend you stay with the OEM recommended viscosity grade, Mobil 1 5W-30. However if you prefer a slightly higher viscosity grade Mobil 1 10W-30 will provide outstanding protection as well. Keep ...
09/07/2008
Need for Concern Over Oil Temperature in a Corvette?
I own a 2001 Corvette Coupe. I wonder about the oil temperature. The Corvette doesn't have an oil cooler so temperatures run over 200°. How concerned should I be about oil temperature?
If you used Mobil 1 5W-30 which is factory filled for Corvettes vehicles and meets GM 4718M specifications, your engine is getting appropriate protection against temperature. The GM specification 4718...
11/16/2006
Why is Mobil 1, and Not Mobil 1 Extended Performance, Recommended for Newer Corvettes?
I use Mobil 1 5W-30, the recommended oil for my car. Why is it NOT recommended that I can use Mobil 1 Extended Performance 5W-30 in my vehicle? I drive a 2006 Corvette Z06. Surely the same oil with a ...
While your car is under the manufacturer’s warranty, follow its maintenance instructions, which includes using Mobil 1 5W-30. It is approved against the GM 4718M specification at the OEM recommended o...
09/18/2006
Using an SM-Rated Oil When an SG-Rating is Recommended
I just purchased a '92 Corvette and after changing the oil to Mobil 1 Extended Performance I noticed on the hood that it recommends an oil with the API rating of SG. After looking at the empty contain...
API ratings are backward compatible to previous generation ratings. This means that an API SM quality oil, which is the latest API rating, is recommended where API SL, SJ, SH, SG were originally requi...
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