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  1. #1

    FIZZLE Y1000 Intercooler with Tial BOV problem

    Bought this from the forum member after installed it every
    time when the ski start feel like no supercharge but keep the RPM at 6000
    for 1-2 minutes the power is come up, I remove the intercooler found the
    BOV hole is small and the spring might not the right PSI what should I do can
    anyone help? I'm thinking weld that hole remove the BOV to different place or
    should I get someone to open the hole bigger? What PSI the spring I have
    now?

    Click image for larger version. 

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  2. #2
    r33pwrd's Avatar
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    where are you pulling vacuum for the BOV? I don't think the small BOV hole would be your issue as it sounds like your BOV is not staying closed under boost.


  3. #3
    r33pwrd's Avatar
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    also any idea what spring rate that is? I would suspect it is not the 3 psi spring?

  4. #4
    Quote Originally Posted by r33pwrd View Post
    where are you pulling vacuum for the BOV? I don't think the small BOV hole would be your issue as it sounds like your BOV is not staying closed under boost.
    From the intake manifold
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  5. #5
    r33pwrd's Avatar
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    Can you ask the previous owner if they know what spring it is?

  6. #6
    AWA MEMBER
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    That looks like one heavy ass spring turbo setup

  7. #7
    ksalles's Avatar
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    The larger the hole, closer to the diameter of the flange, the faster and more efficiently the valve will operate. You need to be running the 2 or 3 psi spring with a dedicated line to the bov off the manifold where it sees vacuum and boost. The Tial 50mm valve is what you want, you just need to make a few small changes and your setup should work fine. The correct spring is inexpensive and well worth the swap.

  8. #8
    Lake Lion
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    That is the wrong spring. And I bet its not a real TiAL valve.

  9. #9
    Rt-HemiBoY's Avatar
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    I second that...^^^^

  10. #10
    Lake Lion
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    You can buy a genuine TiAl 2 pound spring for$27. I would inspect that valve to ensure it's not hanging up.

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