Homemade hi-flow air filter ideas???

Discussion in 'Trucks [ Eighteen Wheelers ]' started by flc120, Sep 8, 2012.

  1. Dice1

    Dice1 Road Train Member

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    Please keep us posted with your results that should be an improvement for you in fuel mileage. Remember Winter weather with winter blend diesel is coming in now and should hurt fuel mileage this time of year.
     
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  3. flc120

    flc120 Heavy Load Member

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    results soon to come... im pretty sure they will prove to be more then just seat of the pants type feelings...lol
     
  4. flc120

    flc120 Heavy Load Member

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    i will be buying both filters this weekend to put my idea to work and do away with the big donkey paper elements.

    i will also be tending to a high side leak on my steering its coming from the funky type fitting that screws into the ps pump. As well as a pressure and return line that need changing.
     
  5. flc120

    flc120 Heavy Load Member

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    well i ordered both filters i thought they wouldve been in stock locally but nope they werent.

    well these are the filter part number and dimensions i have 33-2057 K&n filter

    dimensions are...11.6 x 10.4 x 1.8 inches

    basically this filters shown here just about a perfect square and will cover inlet opening perfectly more then enough.

    $49 each lifetime washable. Small filters can be cleaned fast and DRY even quicker then normal big donkey k&n type filters made for commercial vehicles. Plus 10x more air cfm wise into motor.

    they will be in tomorrow thus begining my journey to another mod..
     
  6. flc120

    flc120 Heavy Load Member

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    scratch the k&n 33-2057

    i will be using the k&n 33-2456 which is 11" square by 1" thick will cover inner air cleaner hole without any issues.
    i also bought two aluminum "L" angles 3' long by 1" x 1" and a piece of flat 1" flatbar stock aluminum. to make internal filter houising.
     
  7. flc120

    flc120 Heavy Load Member

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    well i got everything laid out and will take a picture of my progress and what i have done i will have one side completed today i will need one more filter for the opposite side which is still on order but i will modify housing with brackets to still hold factory filter. But it will have brackets ready for all i need to do is pull out old paper filter and throw in the k&n one. Early fitting results of my invention look pretty good should work quite well.

    Have any of you driven the truck with no filters i did yesterday up an open road just to see how it will sound and feel wow what a restriction those paper filters are and in 6 months of use the air filters are really really dirty and time to change anyways.
     
  8. flc120

    flc120 Heavy Load Member

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    time for some pics both air cleaner housing have been modified to accept the new panel type filter,brackets and netting installed as well. i used some simple aluminum stock 1/8 thick x 1" x 1" angle some screws and 1" x1/4" thick alum flatbar to keep air filter from bowing in if it happens to do so.

    all i have to do is pull chrome top cover off housing reach in slide out and wash as i need to ever so often and walla...i wasnt going to pay $$$$ for a commercial type k&n washgable filter lol.

    [​IMG]

    [​IMG]

    [​IMG]

    this is the mesh i used its basically the same mesh used on the outside of the stock air filter a little recycling going on here lol

    [​IMG]



    heres the new filter trimmed to fit a little its 1" thick by 12"x12" p/n 33=2456 these will work on the 11" diameter housings.

    [​IMG]



    and a finished look thru the suction hole on the air cleaner housing

    [​IMG]
     
  9. bubbanbrenda

    bubbanbrenda Road Train Member

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    Looks pretty good the only problem I forsee is surface area of your new filter, you'll have to clean it alot.I work in very dusty conditions and was replacing the donaldson paper filter every 3-4 wks, I chose the K&N because it is washable at 50-60.00 ea for the donaldson paper element I'll break even in about 3 mo. asuming 0 increase in mpgs. If I used your set up I would have to clean it at least once a day.
     
  10. Oscar the KW

    Oscar the KW Going Tarpless

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    If he gets in dusty conditions I would think he is going to need to clean it more than once a day. Then he will wear it out very soon cleaning it that often. I would think you would be better off buying something that is made for your truck verses trying to adapt something made for a four wheeler that doesn't consume near the volume of air.
     
  11. KenworthGuyNH

    KenworthGuyNH Road Train Member

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    I agree x2!!! Those little K&Ns are not designed to flow the volume of air that they suddenly are being forced to. They will dirty up quick, and suddenly are restrictive.....and what happens when that little pad fails.....and you have NO air filter for awhile? Repeat after me :"I am my own warranty station" LOL Let us know how it works out; too risky for my taste.
     
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