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Re: Engine Wear, oil changes and Sport filters-long
Posted by davenew (more from davenew) on Sun, 23 Nov 2003 07:10:55
In Reply to: Re: Engine Wear, oil changes and Sport filters-long, Bruiser, Sun, 23 Nov 2003 06:43:53
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Have you considered that the oil applied to the filter might be better at filtering dust than a dry paper filter? I'll admit I haven't done much research, but it could be one explanation. We're comparing two different methods of filtration. I'll bet electrostatic filters have much less restriction than regular hepa filters. Does that mean they don't filter as well? Do you work up at Dahlgren, VA? Here's a quote from K&N:
"We design our air filters to provide superior filtration of the contaminants that can harm your engine while maximizing the airflow characteristics of the filter in question. The ability of an air filter to protect your engine is generally measured using a testing procedure developed by the Society of Automotive Engineers identified as the SAE J726 procedure. We subject a sample of our filter designs to this test procedure using Coarse Test Dust, which includes particles ranging in size from less than 5.5 microns to 176 microns. As a point of reference, a human hair is approximately 50 microns in diameter. The result of the above test procedure is a specific air filtration efficiency number. This efficiency number represents the percentage of test dust retained by the filter and thereby kept out of an engine. Our goal is to design our air filters to achieve maximum airflow while targeting overall filtration efficiency at 98%."
davenew '01 viggen with K&N drop in (will install it today)
posted by 68.10.24...
http://www.knfilters.com/facts.htm
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