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Ask Mobil Archive -
Factory Fill
DateQuestionAnswer
01/04/2008
Have Group 3 Base Oils Been Substituted for Better PAO Base Oils?
Why does Mobil 1 refuse to specify as to the base oil used in their synthetic products. I remember the Mobil 1 oils in the past proudly proclaimed that it was a PAO based oil. We all know the newer gr...
As we're sure you can understand, ExxonMobil does not discuss formulations publicly,as this information is proprietary. We would rather focus on the advanced technology and proven performance that our...
09/16/2006
What Viscosity is Best for a Corvette in Hot Weather Climates?
I just purchased a 2006 Corvette. I normally use Mobil 1 10W-30 in my other cars (Suburban and Nissan Maxima). Chevrolet recommends 5W-30 for the ‘Vette. I live in Texas (many days over 100° in the su...
Chevrolet factory fills every Corvette with Mobil 1 5W-30, an outstanding all-weather viscosity which provides excellent cold start and high temperature performance. We recommend using Mobil 1 5W-30 i...
09/15/2006
Changing to Synthetic Oil in a New Car
I have a new car. I have read not to change to a synthetic oil until there are some miles on the engine to give the rings a chance to seat. How long should I wait or how many miles should it be before...
Modern vehicles can use Mobil 1 fully synthetic oil right from the factory.  As evidence of this fact, more than 40 new car makes and models use Mobil 1 as factory fill. So there is no reason to wait ...
05/31/2005
Applicability of Synthetic Motor Oil in a 2003 Chevrolet Impala
I recently purchased a 2003 Impala and wanted to start using Mobil 1 synthetic motor oil. I asked GM about using any brand of synthetic and they did not recommend it unless the temperatures were very ...
You are getting incorrect advice. Mobil 1 fully synthetic oil is an excellent choice for all operating conditions and will not void your warranty. In fact, General Motors uses Mobil 1 as original equi...
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