04-15-2008, 03:47 PM
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#7
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VIP Member
Join Date: Feb 2003
Location: Glendale, Arizona
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Re: Question about air cleaner
Quote:
Originally Posted by mannymen
This was found on DRR from April 7th 2008
I know that a standard 14x3" paper filter slowed my mild (low 12-sec, 850 CFM) BBC door car slightly, (.03-.04), vs no filter.
Tested a 4" tall K&N, with no added oil other than what it came with, and no change vs not having a filter. Oiled it thoroughly, and it did slow .015.
Tried a Wix P/N 42096 14x4" paper element, which fits all standard (& "cheapie") chrome air cleaners, and it ran just like no filter. I've been using them for the past 9 years.
Napa has a nearly identical one, (P/N 22096), for about half price, but tighter pleating, have not tested it in controlled manner, but did run one in a pinch.
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Your results are consistant with other testing that has taken place at the lab. Others have found that the Wix paper element is very good when compared to the K&N filter. Like I said before, there are many tests that have found that the drop-down air cleaner base and the K&N X-treme lid is not effective either.
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