EM TuningAH Fabrications
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  1. #1
    kachnak's Avatar
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    Is it boost tube?

    Hello, today I found some tube which is going from motor space to interier. See two attached photos.
    Is this tube for boost gauge?
    Thank you

    (wait a minute please i can not find here button for add photos from my computer)




    Last edited by kachnak; 5th December 2009 at 13:31.
    Audi S3 1.8T 154kw 210hp APY 1999
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  3. #2
    Welly's Avatar
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    Looks to be, that's what I would guess at least. Looks like the generic tube that come with most boost gauge kits...

    It it blocked off? If not that's a nasty little boost/vac leak.
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  4. #3
    kachnak's Avatar
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    The end of this tube is no blocked. It is like on photo. when i put there finger I feel little vacuum. It was same vacuum if motor runs in 1000 or 6000 rpm.
    I think when motor runs faster there must be some pressure no vacuum or not?
    During driving sometimes I hear some sound like tssssssss
    Audi S3 1.8T 154kw 210hp APY 1999
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  5. #4
    Prawn's Avatar
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    revving the engine stationary will not see you any boost still, as there is no load, so you'll still see a vacuum. try plugging it and see if it makes any difference, or install a guage on it!
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  6. #5
    Welly's Avatar
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    Yep, either block it off of use it for a gauge...

    Even a pipe that size will lose you a substantial amount of boost, so it defiantly needs addressing as soon as.

    That is definitely what the noises you're hearing are.... Just find a screw and wind it into the end of the pipe, bit of silicone around it, job done.
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  7. #6
    pauldazzle's Avatar
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    Yeah it's definitley for a boost gauge, you need to plug it asap or put a guage on it.
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