Mobil 1: Noiser Engine = More Wear or Just More Annoying?

[427Z06]

If they would sell some Startup® that had as a standard ingredient some Quietrain® with Acousticsolve® for less than say...$5.99/qt, I'd buy it in a New York minute. That would surely drop my Fe wear from 9ppm to 7 ppm easily.

 

[buster]

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That would surely drop my Fe wear from 9ppm to 7 ppm easily.

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I bet the engineers that log onto this site from oil companies get a good laugh at comments made about small differences in PPM wear #'s.

 

[Gary Allan]

As we strive for perfection ......


"There must be a malfunction with the meter"

"No. It's working fine. It's just reading double zero - double zero" (from The Andromeda Strain).

 

[Bryanccfshr]

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Originally posted by buster:

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That would surely drop my Fe wear from 9ppm to 7 ppm easily.

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I bet the engineers that log onto this site from oil companies get a good laugh at comments made about small differences in PPM wear #'s.

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Of that we can be certain. A reality check on just how small a portion a Part in a million is.
What I use at work is the simple
1%=10,000PPM so in essence 1 PPM= .00001%

Other conversions using water(use specific gravity to convert to liquid being measured)
1 part per million (ppm)
= 1 milligram/liter
= 3.8 milligram/gallon
= 2.7 pound/acre foot
= 0.0038 gram/gallon
= 0.0283 gram/cubic foot
= 0.0000623 pound/cubic foot
= 1233 gram/acre foot
= 0.0586 gram/gallon
= 8.34 pound/million gallon
= 1 ounce/1000 cubic foot
= 1 gram/264 gallon
= 1 gram/cubic meter
= 0.134 ounce/1000 gallon

All this is pretty silly with Fe wear. We have no way of knowing if it indicates a linear relationship with wear rates, all we have is assumption that all Fe is or is not directly related to friction wear. I fall on the side of the argument that all Fe cannot be directly related to wear. It is an indicator if the wear numbers in a particular vehicle jump into the hundreds of PPM range youknow it's wear.. A differnce in 20 PPM wear can not be directly related to wear if the oil is a differnt type. IF the oil is the same brand and lot and you see increasing iron numbers you could say with more confidence that more wear is ocuring. If you change brands and immediately see a difference you cannot say it is anything but a change. To many variable have been introduced. Maybe the boron does become iron oxide, maybe the dispersants/detergents have lifted more residue into solution, perhaps even previosly oxidized iron, maybe there is more friction between wearing surfaces or perhaps there is more actual corrossion occuring.. but where? moving wearing parts are that large surface area inside an engine that acts as a container for the oil as it curculates, pumps about and is splashed here and there?

 

[buster]

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I fall on the side of the argument that all Fe cannot be directly related to wear. It is an indicator if the wear numbers in a particular vehicle jump into the hundreds of PPM range youknow it's wear.. A differnce in 20 PPM wear can not be directly related to wear if the oil is a differnt type. IF the oil is the same brand and lot and you see increasing iron numbers you could say with more confidence that more wear is ocuring.

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I agree 100%. Scare tactics don't fool me. Ok sometimes.

Seriously though, a guy on Noria said something interesting about the subject.

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You will find tha Mobil 1 will clean your system and the detergent/dispersant system will hold more particles in suspension (ie your normal oil may be dropping out wear metals in sludge at the bottom of the sump which is not seen in your oil sample). You should also remember that the wear metal analysis done by most UOA labs is based on ICP and the wear metal particles reported are less than 10 microns in size. Some of the iron you are seeing is in the form of metal soaps which will be more soluble in a good detergent/dispersant package.

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A wholistic view of the oil must be taken. I've never had any noise complaints with Mobil 1. My brothers Solara runs better on Mobil 1 then GC. My car ran just as smooth on M1 EP as GC.

 

[Bryanccfshr]

That is an excellent point. I just don't think all oil formulationscan be read the same.. there is more going on than just preventing the scraping of metal parts together.

 

[buster]

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Mobil did some engine tests switching from a mineral oil to Mobil 1 and saw increased wear metals in UOA. Engine strip down actually showed less wear in comparison to the mineral based engines.

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[Bryanccfshr]

I think a major differnece in the M1 formulations is the use of AN so I bring from the dead this thread you posted.
Alkylated Naphthalene