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DateQuestionAnswer
10/20/2007
Is the Mobil 1 Sold in Jugs at Wal-Mart the Same Quality as the Product in Quart Bottles Sold Elsewhere?
I have a question about the 5-quart Mobil 1 jugs I buy at Walmart. Is the oil in the 5-quart Mobil 1 5W-30 jugs the exact same oil that is in the 1-quart containers sold elsewhere? I ask because I hav...
You are right, the formulation and quality level of our motor oils are the same wherever the product name is the same, regardless of the package size in which it is sold. The difference in ACEA claims...
10/19/2007
Will Mobil Oils Continue Providing SL Rated Protection
API SM appears to be a step backwards in regard to engine wear. Will Mobil oils continue with SL rated protection in its oils? Many now have SL off their bottles but show SM.
Yes, all our motor oils that are providing API SM quality level are also backward qualified for earlier service categories such as API SL, SJ, etc.
10/18/2007
Is Mobil 1 0W-40 Being Discontinued?
I am an engineer for a major UAV company that has specified your Mobil 1 0W-40 oil for our aircraft. I read on a forum that the 0W-40 is going to be discontinued and replaced with 5W-40. Is this infor...
No, Mobil 1 0W-40 will continue being part of our offer.
10/16/2007
Is Synthetic Oil Responsible for Low Oil Pressure?
I recently used Mobil 1 in my 1991 Miata. Oil pressure at idle was extremely low, which worried me. I replaced it with standard oil and the pressure came up within normal low ranges. This is not the f...
Oil pressure is directly related to resistance to flow.  Because of the lower resistance to flow that synthetics offer, the oil pressure will generally be reduced as well.  Lower resistance to flow al...
10/15/2007
What to Use for Camshaft Break-in
I am an engine parts wholesaler and my customers are having trouble with camshaft break-in now that the zinc has been removed from the motor oil. I've been selling EOS & comp cams break-in lube but th...
We have a number of products with higher levels of phosphorus. Please refer to the attached table listing the phosphorous levels in our motor oils.
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