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Thread: Engine catch cans

  1. #1
    Join Date
    Oct 2013
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    Engine catch cans

    Wanting to get some advise on a catch can for the valve cover breather.

    I have seen the majority of catch cans at the track without a filter on the catch can, most have a piece of tubing un filtered. I would think you would want to have a filter due to the fact that you will suck in dirty air. Thoughts

  2. #2
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    Oct 2013
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    iowa
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    This is true.

  3. #3
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    Nov 2013
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    Phoenix,Az.
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    Valve cover has a one way check valve. Air flow into valve cover from breather hole is inconsequential.

  4. #4
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    Oct 2013
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    Elkhart lake, Wi
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    If you feel more comfortable with a filter, there are a variety of them available to use.
    Depending on the size of the hose that comes out of your catch can (not into) you could even cut a piece of scotch brite and put it in the hose.

  5. #5
    Join Date
    Oct 2013
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    Yes the plastic piece is a one way check valve, but the small hole at the bottom will let air in. I tried blowing in the hose and air comes in through the small hole.

  6. #6
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    Plastic piece ?

  7. #7
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    Oct 2013
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    Dover, PA
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    Quote Originally Posted by Jimbo View Post
    If you feel more comfortable with a filter, there are a variety of them available to use.
    Depending on the size of the hose that comes out of your catch can (not into) you could even cut a piece of scotch brite and put it in the hose.
    What Jimbo said, or a piece cut from an old foam air filter sleeve that you were going to throw away.

  8. #8
    Join Date
    Oct 2013
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    112
    Quote Originally Posted by Flash-o-matic View Post
    Plastic piece ?
    Inside the valve cover the one way check valve appears to be plastic. Thats what I was referring to.

  9. #9
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    Nov 2013
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    Phoenix,Az.
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    Not plastic. I thought that was what you were referring to, just wanted to clarify.

  10. #10
    Join Date
    Oct 2013
    Location
    Linden, IN
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    9,163
    Real life experience on dusty dirt tracks = run a filter on your catch can (especially if the line to it is rather short.)
    We mount our catch cans on the left rear seat strut and still run a filter.

    When I get an engine in for a rebuild, I can visually see what environment the engine was last run in (and if the competitor runs a filter on his catch can) by the amount of dust inside the valve cover.



    -----
    Thanks and God bless,
    Brian Carlson
    Carlson Racing Engines
    Vector Cutz

    www.CarlsonMotorsports.com
    Carlson Motorsports on FaceBook
    29 years of service to the karting industry
    Linden, IN
    765-339-4407
    bcarlson@CarlsonMotorsports.com

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