filter dust

[Fred Hink]

I use PJ1 Filter Treatment in my shop and it works great.  It is an alcohol based filter oil and is very thin to help spread the oil through out your filter.  The alcohol in the PJ1 Filter Treatment soon evaporates and leaves a very tacky oil to trap dust.  Spraying the oil on the surface and leaving it at that is not the best for filtering out the dust.  Any filter oil needs to be distributed inside the filter element.  It is the oil that stops the dust in a foam type filter.  You can put your freshly oiled foam filter in a plastic bag and squeeze it to help distribute this oil.   Just don t over-oil your filters.  It doesn t take much oil but it does need to be distributed evenly.   The filter cleaner in the PJ1 Filter Treatment is also great as it is a water-based cleaner.  Water based cleaners are better for your filter because they won t attack the adhesives in your filter element like petro chemicals.  Just spray it on, work it in and let it set for 15 minutes before washing it and the dirt out of your filter.  I usually do this process twice and it leaves the filter new looking.  Let your filter dry completely before re-oiling it.  (oil and water don t mix) Fred http://www.arrowheadmotorsports.com     [b]From:[/b] zoot . [b]Sent:[/b] Friday, November 11, 2016 6:11 PM [b]To:[/b] Fred Hink [b]Subject:[/b] Re: [DSN_KLR650] Filter dust   Been using PJ1 or Fab1 spray on.  Inside and out until the filter changes color, and then store in a plastic bag until used.  Good to know the leftover K&N oil isn't appropriate.  Think I'll try greasing the contact surface, cleaning the inside of the box, and servicing a bit more often in the talc word of Eastern Oregon.  Thanks Fred (and all).   Appreciate the info. Todd

On 11/11/2016 8:45 AM, Fred Hink wrote: Both K&N and foam type filters need to be serviced to be able to do their jobs efficiently.  K&N filters have gotten a bad rap on the internet because of some that have not filtered like they were designed to do.  Gauze type (K&N) and foam type filters need to be serviced differently.  If you treat a gauze type filter like a foam type they will not work very well.  Foam type filters rely on the oil in the filter to trap dust and work very well at this as long as the filter has not used up all it s oil trapping dust.  Once the oil is not filtering dust guess where it ends up....  K&N filters use a different approach for it s filtering.  The gauze in these filters isn t so much for trapping dust as it is a media for holding the oil that traps dust.  Gauze filters normally have a larger pore size that can be filtered when they are new and freshly oiled.  They rely on the filtered dust s accumulation for it s filtering capacity.  Once this limit has been reached the engine just won t breathe letting you know it s time to clean your filter.  If you clean the gauze type filter every time you see a layer of dirt on the outside, you are setting up your dust on the inside of the air box problem.  K&N s should not be cleaned that often but let it tell you when it can t breathe any longer.  This is better for filtering, your time and wallet.  Foam type filters need to be cleaned more often.  Remember it is the oil in foam type filters that traps dust and the cleaner the oil the more filtering it will do up to a point.  You can over-oil either type of filter.  Oil can block air passage just like the accumulation of dust.  So service either type of filters according to the type of filter you have and they should equally filter dust.   The type of oil you use in a filter is also important.  Motor oil will work in an emergency but will also not work as well or as long as oil designed for filtering.  Gauze type and foam type filters use different oils since their needs are slightly different.   Fred http://www.arrowheadmotorsports.com   [b]From:[/b] DSN_KLR650@yahoogroups.com">'zoot .' zootpatutie@... [DSN_KLR650] [b]Sent:[/b] Thursday, November 10, 2016 8:14 PM [b]To:[/b] DSN_KLR650@yahoogroups.com" >DSN_KLR650@yahoogroups.com [b]Subject:[/b] [DSN_KLR650] Filter dust     Changed some time ago from K&N to Uni foam air filter. Liked that the mileage went up but recently have been haunted by the powder dust appearance on the walls of the intake box on the carby side of the filter. Opinions. Thanks, Todd

[Frank Sikos]

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