Re: [FWDLK] Air Cleaner Conversion

[jlsavard@xxxx]

Neil,
When testing the paper filters, at the very outset of the test, the particles 
of dust clogged some of the pores of the filters. For a very short time, the 
efficiency of the filters was better than when new, without measurably 
increasing the restriction of the air cleaner. In some cases we measured 
over 99% efficiency.

Thereafter, as sure as death and taxes, the efficiency didn't increase, (That 
we could measure.), but overall restriction increased with added dust load.

I haven't done any study of the K&N filter systems except to read 
advertising, but for a given size of filter element, it would seem to me to 
be a natural law that size, filtering efficiency, and restriction must be 
tied together in some natural formula.

Without access to some meaningful test data, it's anybody's guess which is 
the better filter.

Joe Savard
Lake Orion, MI


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