I think my K&N filter is coming out

[w261w261]

I found this on another site. K&N does not do well. I've been considering getting rid of it anyway, as when I started doing oil tests there was increased silica.

http://www.duramax-diesel.com/spicer/index.htm

[lostforawhile]

I found this on another site. K&N does not do well. I've been considering getting rid of it anyway, as when I started doing oil tests there was increased silica.

http://www.duramax-diesel.com/spicer/index.htmI could have told you that, it's the same for air or oil, they are designed as racing filters,in a racing application engine life is second to performance, race engines are never designed to go hundreds of thousands of miles.

[paul]

I've numerous dusty intakes from a underoiled filter, and a gunked mafs from overoiled ones... for such a tiny power increase, why bother.

There's also a post on a RX8 forum from a well known rx8 race team who actually found silty buildup in the oilpan after races on some of the dirtier tracks while using a k&n...

[cubert]

Just out of curiosity...has anyone heard of an engine blowing prematurely due to a K&N filter?

[ShyBoyCA6]

nah i havent heard of that cubert did you read it somewhere??

[SZfiftyfour]

Here's another test. I found this while looking into foam type filters, as I wanted to get a proflo. They dont do so well lol.
http://www.bobistheoilguy.com/airfilter/airtest3.htm
http://www.bobistheoilguy.com/airfilter/airtest2.htm

[A20A1]

Here's another test. I found this while looking into foam type filters, as I wanted to get a proflo. They dont do so well lol.
http://www.bobistheoilguy.com/airfilter/airtest3.htm
http://www.bobistheoilguy.com/airfilter/airtest2.htm

Foam isn't the greatest for keeping dirt out, and the foam pictured in the test looks more like paper sheets.
The proflo doesn't use oil and only has one layer of foam and isn't a part of that test. Though a single layer of thick foam may not keep all the dirt out, the design of the proflo lets the carb breath from the top down and that's why I picked it, plus it was ment to be used on engines much larger then ours pulling more CFM.

[gp02a0083]

I've numerous dusty intakes from a underoiled filter, and a gunked mafs from overoiled ones... for such a tiny power increase, why bother.

There's also a post on a RX8 forum from a well known rx8 race team who actually found silty buildup in the oilpan after races on some of the dirtier tracks while using a k&n...

first of all rotarys are kinda pigs wehn it comes to combustion, after building a few of them they indeed get very dirty compared to a piston engine, regardless if it is still equipped with the oil injection system. Silica on the other hand is a serious problem , stuff is tough as anything ive used the stuff for various experiments in the lab. Its practically inert in a sense for our purposes here, and on the Moh's scale if i remember right its around 7-8 , this in any engine will cause premature failure .

[SZfiftyfour]

Foam isn't the greatest for keeping dirt out, and the foam pictured in the test looks more like paper sheets.
The proflo doesn't use oil and only has one layer of foam and isn't a part of that test. Though a single layer of thick foam may not keep all the dirt out, the design of the proflo lets the carb breath from the top down and that's why I picked it, plus it was ment to be used on engines much larger then ours pulling more CFM.
Same reason I wanted one. So you think the proflo media does a little better than the "2stage" foam filters since its thicker? Originally I assumed it would at least be as-good as a K&N filter.

[w261w261]

Well, the jury has returned, and my K&N is indeed coming out as soon as I get a halfway warm day here in CT. Anyone wants the filter and a barely used can of oil, PM me. You can have it for the postage.

Hal

[carotman]

Speaking of this

Anyone knows a good brand of cone shaped filters?

[MessyHonda]

does aem have a good filter?

[Nafs Asdf]

The internets has told me Apexi dual funnels are the shiznit... At least they're expensive as fuck. :D

[87roach]

Jesse:

aem dryflow, it's what I have (http://www.aemintakes.com/dryflow_air_filters.htm)

[Ichiban]

Does anyone use the oiled foam pre-filters? They are just a "sock" that goes over top of of the cone filter to grab dirt before it hits the filter itself.

Kinda strange how my quad uses a factory oiled foam filter, and it sees way more dusty conditions than a 3gee ever will. It's a Honda, too.

[lostforawhile]

oiled foam filters are great, but they have to be oiled right and cleaned from time to time, a lot of people run them without oil, the cone filters with the oiled foam overlay are usually pretty good.

[Ichiban]

oiled foam filters are great, but they have to be oiled right and cleaned from time to time, a lot of people run them without oil, the cone filters with the oiled foam overlay are usually pretty good.


Does anyone use the oiled foam pre-filters? They are just a "sock" that goes over top of of the cone filter to grab dirt before it hits the filter itself.

Kinda strange how my quad uses a factory oiled foam filter, and it sees way more dusty conditions than a 3gee ever will. It's a Honda, too.



It took me forever to find this thread with the stupid search function, then I was surprised to see I actually posted in it already... anyways,

http://www.knfilters.com/airforcewraps.htm

Since I'm pretty much stuck with the K+N filter I got used free because there's no way the stock airbox will fit behind the B20A in the '82's engine bay. I'm planning on getting one of these to slap on, hopefully to improve filtration and maybe to shut up some of the intake noise. The filter is in decent shape, but I have noticed a couple pinholes in the cotton element where it was rubbing somehow on the "previous" application. The oiled foam overlay should keep the dirt out well enough.