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Ask Mobil Archive -
Does Too Fine of Filtration Filter Out Oil Additives?
Can too fine a filtration, as in 3 to 5 micron, cause damage by filtering out some important additives in Mobil 1™ or conventional oils?
Filtration at 3- 5 microns is approaching the critical limit for certain engine oil additive components. For example, anti-foamant is added to the oil to prevent foaming; this molecule is physically s...
Will Clogging Occur with a High Mileage Oil?
Will Mobil 1 High Mileage oil clog any orifice in the engine due to the seal-swelling additives?
Throughout the comprehensive testing and design of Mobil 1™ High Mileage motor oil, we have not experienced any instances of clogging in the engine due to the higher level of seal-swell agents.
Can Transmission Fluid be Used to Replace Motor Oil?
I was told by my mechanic that it wouldn't hurt (that is was even better) to use transmission fluid in place of the oil.  That it was better for the engine, that the motor would run cooler and that th...
We would not recommend using an ATF in your engine. It completely lacks the additives required for today’s modern engines.
What Does Low Ash Mean in Motor Oils?
What is low ash?
There are certain additives used in engine oils that, when they leak past the piston rings and get into the combustion side of the engine, can produce ash when burned. This ash can cause filter pluggi...
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...
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