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Air Filter

Discussion in 'Technical Chat' started by Krohsis, Sep 25, 2014.

  1. Sep 25, 2014 at 6:24 PM
    #1
    Krohsis

    Krohsis [OP] Active Member

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    Does anyone have a source for "oiled foam" air filters for the Tacoma?

    Clearly the stock paper filter will not stop dirt as well as oiled foam, and oiled gauze, i.e. K&N, flows air very well and also lots of dirt with it.

    Oiled foam filter used to be able to be purchased in the recent past, but I haven't found any on the net as of yet.

    Thanks....
     
  2. Sep 26, 2014 at 6:40 AM
    #2
    SpacemanSpiff

    SpacemanSpiff Well-Known Member

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    Why not just use OEM? They are superior to the the gauze and inferior to none. Or do you have an altered, non-stock setup?
     
  3. Oct 6, 2014 at 5:15 PM
    #3
    Krohsis

    Krohsis [OP] Active Member

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    I'm a fan of oiled foam. It works well in off-road applications, much better than any option that I know of. Oiled foam was the only thing that stopped ash from Mt. St. Helens eruption. Nothing better for stopping dirt. And foam flows better than paper. Not as good as K&N gauze, but then K&N passes lots of dirt as well, as I mentioned above.
     
  4. Oct 6, 2014 at 6:18 PM
    #4
    Newbiegeneral

    Newbiegeneral 01 taco

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    kn does okay, just dont clean it all the time, filters filter best when dirty, and if your getting that much debri into your intake might want to rethink using your dd for that application
     
  5. Oct 6, 2014 at 7:21 PM
    #5
    vern650

    vern650 Well-Known Member

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    I'll have to look and see if I can find the name of the company, but there was a company sellin some a few years back as I bought one about 6-7 years ago for a Chevy truck I had. They had awesome reviews as far as filtering dirt but I only used it for a couple weeks as it lost a mile or two per gallon in economy and on the 8.1l bigblock I had it on I couldn't afford to give up a couple mpgs.
     
  6. Oct 6, 2014 at 7:23 PM
    #6
    kyleTRDtaco12

    kyleTRDtaco12 Well-Known Member

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    i use the TRD drop in air filter (oiled guaze) works good for me lol, then again, my truck is never really in a dusty environment..
     
  7. Oct 7, 2014 at 5:10 AM
    #7
    Lurkin

    Lurkin Well-Known Member

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    Agreed, oiled foam is a great filtering media, and is a good balance between air flow and filtering ability. BUT, it apprears that most of the oiled foam vendors have gone out of business, IMHO a byproduct of the K&N, oiled gauze, marketing machine.

    I don't know of anyone selling a drop-in filter element for the Tacoma. Next best would be to get a CAI of your choice and replace the filter with an oiled foam one. Think there are still vendors selling universal cone filters.
     
  8. Oct 7, 2014 at 7:07 AM
    #8
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Oiled foam never filtered better than an OEM filter. You don't see them around much anymore, because they were craps filters.
     
  9. Oct 7, 2014 at 8:21 AM
    #9
    Lurkin

    Lurkin Well-Known Member

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    True, not better at filtering then OEM, but better airflow. Foam was a good middle ground between the a paper filter and oiled gauze, for both filtering ability and airflow. Foam is also one of the best for the ability to hold dirt and still filter and flow.

    Using the crap filter statement then all gauze filters would be gone too. Not quite there yet :D
     
  10. Oct 7, 2014 at 8:44 AM
    #10
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Gauze filters can't filter, nor have the capacity as any oem filter. Not only have I tested this, but many 3rd pparties have,and have found the same results. OEM filter can hold more than 10 times the amount of contamination than the best gauze filters, and filter much smaller particles. About 10 years ago, I tested a foam filter, and the results of the oil sample showed around 600+ ppm silica in the oil at 3000 miles of daily driving. A k&n filter prompted Blackstone labs to send me a note, asking if I was even running an air filter at all, as the silica levels were some of the highest levels they've seen. The worst oem filters have all shown less than 30 ppm silica in my testing. Gauze filters are simply still around because people buy into the hype of the advertising and the thoughts that a filter change can actually give a performance gain.
     
  11. Oct 7, 2014 at 10:32 AM
    #11
    vern650

    vern650 Well-Known Member

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    I think True Flow was the name of the foam filter company I mentioned earlier, not sure if they're still around.
     
  12. Oct 7, 2014 at 11:20 AM
    #12
    Lurkin

    Lurkin Well-Known Member

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    Let's be clear, I am not arguing with you at all. From a filtering perspective paper filters filter best, end of story. But, for those that are willing to sacrifice some filter ability, for whatever reason, for airflow, then it goes next to oiled foam, and finally to oiled gauze.

    For anyone that doesn't know, with an air filter you can optimize filtering ability or airflow, but not both. Want flow, sacrifice filtering ability, want filtering, sacrifice some airflow. It's a trade-off.

    And, for the other poster, True Flow is still is business. There are also several others that focus on off-road, dirtbikes and ATVs, that sell lots of oiled foam.
     
  13. Oct 7, 2014 at 1:24 PM
    #13
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Oh, I know there's no arguing......I'm on the phone, so it's hard to throw smilys around. And I agree with what your saying. My point, is that a simple air filter change doesn't increase flow into the engine. Unless force inducted. The OEM filter can accept a flow rate almost 8 times higher than what the engine can ingest on its own.
     

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