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idle air pipe

Discussion in 'Technical Q&A' started by trendsetterx, Nov 23, 2009.

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  1. trendsetterx

    trendsetterx Karting

    May 15, 2007
    69
    Deep south Texas
    Full Name:
    Raul Marquez
    #1 trendsetterx, Nov 23, 2009
    Last edited by a moderator: Sep 7, 2017
    I have changed this pipe with a nice braided Russell plumbing pipe, and the suction squeezes the pipe together flat. I know this pipe is used for the AAV when cold and the idle air, but how does it work. I have opened the knob as to allow more air so the pipe won’t go flat but the idle surges high above the 1000 rpms. Does anybody have any recommendation as to which pipe to us?
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  2. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    26,687
    30°30'40" N 97°35'41" W (Texas)
    Full Name:
    Steve Magnusson
    #2 Steve Magnusson, Nov 23, 2009
    One option might be to use the vacuum hose used in brake booster applications. It has a heavier wall thickness (for a given ID) to specifically prevent collapse when under vacuum. (Any Auto Parts Store should have it.)
     
  3. Pantdino

    Pantdino Formula 3

    Jan 13, 2004
    2,069
    Full Name:
    Jim
    #3 Pantdino, Nov 24, 2009
    I don't know what Russell plumbing pipe is, but it was apparently not designed to withstand vacuum.
    I agree-- get some tubing designed to be vacuum hose.
     

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