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hey i jus did an oil sample and the results came back everything normal eccept the silicone level was a little high.does anyone know what would cause this?
Usually, a high silicon (sand) level is caused by poor air filtration.
Pop
I believe that it is "silica" that is related to sand/dirt entrainment, and "silicone" is used as an anti-foaming agent by some manufacturers.
At the link below, I found the quote below. http://www.webelements.com/webelemen...t/Si/uses.html
"The following uses for silicon are gathered from a number of sources as well as from anecdotal comments. I'd be delighted to receive corrections as well as additional referenced uses (please use the feedback mechanism to add uses).
doped with boron, gallium, phosphorus, or arsenic, etc. to produce silicon for use in transistors, solar cells, rectifiers, and other electronic solid-state devices
silicones are important products of silicon. They are prepared by hydrolysing a silicon organic chloride, such as Me<SUB>2</SUB>SiCl<SUB>2</SUB>
silica, as sand, is a principal ingredient of glass, a material with excellent mechanical, optical, thermal, and electrical properties
My oil comes back from the lab with a reading for silicon, and none for silicone.
Hmmm, would I get a high reading in silicon if I had used a silicone anti-foam agent, and then think my air filter wasn't doing its job? My last two were a "4", but my average is a "7" after a high of "11" back in April, '05.
Not really sure, Pop. But when I questioned Amsoil regarding their oil's foaming tendencies, it was their Tech Support Group that told me that some of the anti-foaming agents used by oil producers contain silicone.
I can't really speak to the chemical nuances on this issue any further without guessing and/or making things up. I guess I should have gotten more specific info from them at the time to better understand what they were telling me.
There seems to be something about silicone RTV and the antifoaming agents in the oil that eludes me right now. IIRC, I thought silicone RTV was advised against because of this, or it may have been the reverse. My DVD drive is out of service right now so I cannot check the shop manual. I could have sworn I read that somewhere, probably in the oil pan sealing section.
ok im not sure im gonna have to verify with my wife.she has the results im in iraq so let me verify with her or get her to scan and email me the results and ill get back to yall.it may be silica im not sure.as for the company i used US OILS for the sample.im pretty sure i have a leaking turbo seal somewhere cuz of the smoke in my exhaust and did the test to rule out blown piston rings.but ill reverify exactly what it says asap
ok im not sure im gonna have to verify with my wife.she has the results im in iraq...
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"F250" is hitting the nail on the head. Silicone (i.e. RTV stuff) is found in some of the gasket materials on our PSD's and can leach into the oil system. As he mentioned, it is used in asphalt industry to add into the AC (Ashpalt Cement) to prevent/minimize again the "foaming" of the AC.
And how is sand (silica) showing up in the oil sample?
Is this an English class - correction of spelling, etc.?
ok finally got my oil results and here they are.my air filter was ripped and really badly worn jus wanted to put it up here.thnx guys for all the help.anything on here bad or strike anyone odd let me know.like why so much iron?thnx again yall oh and it was SILICON as u can see here.my milage is like 54,000
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