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[Spridgets] Question on Air Filtration To Spridgets List

To: spridgets@autox.team.net
Subject: [Spridgets] Question on Air Filtration To Spridgets List
From: Kirk Hargreaves <khargreaves2@gmail.com>
Date: Sat, 2 Oct 2010 14:27:26 -0700
I came across this very interesting video of David Vizard talking about air
filtration whereby he displays his appreciation for K & N filters. He also
talks about paper  filters, but makes no mention of foam filters.

Here is the video.  . taken in Australia several years ago.  It is an
absolutely fascinating break down on what he eventually found regarding how
the K & N filters actually work.  He indicates that it took him several
years to get an answer to the dynamics involved with the K & N filtration
systems.  Truly worth a few minutes to watch his presentation on the
subject.

http://www.youtube.com/watch?v=F1BZg6aCGd8&feature=related


He also mentions, in this video,  that he did an experiment where he found
that an unfiltered race engine, running on asphalt, during a single race,
picked up a tea spoon worth of road crap that ran through the engine.  As
such he points out how destructive it is to run an engine without filtration
and then goes on to give more information on the K & N filters unique way of
providing excellent breathing while at the same time doing an outstanding
job of filtering.

He only mentions paper and K & N filtration with no reference to foam
filters . . which brings me to my question (finally to my question)!

I have been using two foam filters on my OER side draft which is the
Japanese equivalent of the DCOE 45.

I would like opinion on whether or not my foam filters are doing a decent
job of filtering?  I do plan to upgrade with K & N's. .  yet at the same
time I have put a good amount of miles using the foam filters and wonder if
I have caused unnecessary harm to my motor?

Thank you so much for all the previous help I have received from the list.
.  it is so appreciated.

Kirk

59 1275

PS
The OER takes the same jets and emulsion tubes, etc as the Weber. .  and I
think it is a fantastic alternative to the Weber as it also allows you to
adjust the float bowl height as well as the accel pump. .  (I like to put a
plug in for the OER as I think that it is a fantastic carb)!
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