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Ask Mobil Archive -
Competitive Motor Oil Brands
DateQuestionAnswer
06/09/2009
Is Mobil 1 Going to Match Valvoline's Warranty?
Are you going to offer or match a warranty in response to Valvoline's current offer ad campaign? I know of at least one customer you could possibly lose if not. A 300,000-mile warranty is hard to beat...
For more than a decade ExxonMobil has provided a warranty for all our lubricants, not only Mobil 1.  We are glad to see others following our lead.  Click here for the Mobil 1 warranty.
02/19/2009
Is Mobil 1 Less Likely to Produce Sludge than Valvoline Synthetic?
I used Mobil 1 in my '03 Intrepid 2.7L engine from 7.5k to 97K miles before I gave it to my son. I did this for known sludging problems in the Chrysler 2.7L. I told him he could only have it if he use...
The best evidence for him is your own experience and it sounds like you have had outstanding performance from Mobil 1™. So you might want to show him all the OEMs (original equipment manufacturers) th...
08/09/2008
Oil Film Strength of Mobil 1 Compared with Royal Purple
Does Mobil 1 have less oil film strength than Royal Purple? I have seen many times the friction test of oils using the machine that test the oil film, test result shows that Royal Purple has more fric...
There are certain oils in the market today that use EP (extreme pressure) additives in their engine oil that are really designed for gear oils and not engine oils. Extreme pressure additives are typic...
08/04/2008
Rebut Amsoil's Wear Scar Testing
Being a customer of Mobil 1 since the mid-1970s, I have noticed a number of websites that assert Amsoil is better, such as the following: "20W-50 Mobil 1 Supersyn leaves a wear scar over 5 times that ...
See the answer on oil film strength. Look beyond bench tests and look to the real world where Mobil 1 is recommended by OEMs (original equipment manufacturers) worldwide as original equipment in their...
07/11/ 2008
Explain 'Time Release Additives' in Motor Oils
I've read a lot in the last few weeks regarding 'time release additives' in motor oils that suggest that some oil components only become active due to use, thus maintaining the engine protection for l...
Yes, almost all engine oils contain additives that could be described as time-release. This is clever advertising that highlights one of the properties that common antiwear additives exhibit. The anti...
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