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04:11:42 - 04/20/2024
Dakota Performance
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Dodge Dakota
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9/29/2003
10:49:03
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 Subject: RE: Drop in K&N filter all hype?
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Message:
Jeremiah
I visited that filter test site (and I've seen it posted other places besides that website). It is a non-scientific, non-standardized "flow" test performed by an individual (novice) and was not published as fact. It was posted for discussion purposes only. As to their "dirt amount verification". How much of what we see is dirt and how much how much is oil? How was he able to seal the filters to prevent contamination? Did the lighting "fool our eyes"?
I don't know what this test proves (if anything at all)!?!? All I see is discolored paper. No microscopic analysis of whether it is dirt or oil, and what size the dirt particles are? Dirt? Oil? Lighting? Etc.? Looks are deceiving and not always what they appear to be. Automotive air filters are not manufactured nor are they intended to clean the air. They are designed to filter out dirt in the 10+ micron size. Also it seems to me that some of the filters in the test were cleaned and re-oiled. I wonder why the that was done? Is it possible that the results using new filters would have been different? Would the test give us the same results if they were tested new out of the box? It would appear to this observer that he is biased from the get go. Maybe he is an air filter salesman of some sort?
Heck, you or I could perform a non-scientific, non-standardized "flow" test in our backyards. What would it prove? It is about as scientific as a beer taste test. Honestly, I would prefer the beer tasting.
This test needs to be filtered itself.... and thrown away.
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