Bill,
Isn't that why K&N foam filters use oil on the filter medium? According to
the ISO 5011 standard, K&N filters have a 96% to 99% efficiency rating when
compared to other types using standard dust size... Also, I stand corrected
now... K&N filters are NOT made of foam but of cotton inside a wire cage.
They should be cleaned and re-oiled regularly. The testing also shows that
while they are not quite up to the filtration standards of finer dust
particles filtered out by paper filters, they are far lest restrictive to
air flow.... This begins to look like
an "OIL" thread, doesn't it.... ;-)
Cheers!!
Jim
On Sat, Oct 2, 2010 at 5:15 PM, Bill L <pythias@pacifier.com> wrote:
> Hello Kirk,
>
> I have done no studies whatsover, but from my readings,
>
>
> Foam filters are next to worthless. Not worthless mind you, just
> next to it. Their filtration size will keep chunks of stuff out,
> but that's all.
>
> --
> Best regards,
> Bill L. mailto:pythias@pacifier.com
>
> '66 Sprite MKIII HAN8L49403 "the red thing"
>
> Famous last words: 'You saw a WHAT around the corner?!'
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