I remember this post also about the test done with the car fleet. How long
ago was that and where there any improvements made to the filters since then?
What other options are there??
K&N's are used a lot by motorcycle people also....
Daniel 69 2000
SF CA
> I used to use them, too on racing motorcycle engines that were torn down and
>rebuilt
> frequently, but for long-term use they have been shown to pass an
>unacceptable amount of
> the finer, engine-grinding size of crud that a racing engine can tolerate for
>its short
> span between rebuilds but a street engine is best off without.
>
> This issue has come up on the list a number of times in the last few years,
>and I remember
> one list member citing a study that was conducted by a company he had worked
>for on their
> fleet of trucks. Oil analysis showed that the oiled foam filters passed an
>unacceptable
> amount of particulate matter and they went back to conventional filters.
>
> gary
>
> Chris Robertson wrote:
>
> > What do you mean well known? K&N's are the choice of many racers as well as
> > turbo/supercharger manufacturers. What is the reasoning, or evidence?
> > Would really like to know as I use them!
> >
> > Thanks,
> > Chris
> >
> > >K&Ns are well-known to pass as much crud as air... better to have a nice
> > >airbox around
> > >both carb mouths with room for the stacks and a good, high-quality filter
> > >around the whole
> > >deal.
> > >
> > >Gary McCormick
> > _________________________________________________________________
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