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Thread: BYPASS VALVE. What about this!!

  1. #1
    Junior SCH Member onebadstang's Avatar
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    BYPASS VALVE. What about this!!

    I need a bypass valve to try to fix my idle surging. My question is: Since i deleted my smog pump I found a vacuum driven bypass!? Its shaped a little different but works the same way. I checked the airflow by hooking it up to a vacuum line? Will this work as my bypass valve??

  2. #2
    Senior SCH Member 92 coupe's Avatar
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    Feb 2003
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    Quote Originally Posted by onebadstang
    I need a bypass valve to try to fix my idle surging. My question is: Since i deleted my smog pump I found a vacuum driven bypass!? Its shaped a little different but works the same way. I checked the airflow by hooking it up to a vacuum line? Will this work as my bypass valve??
    If it works the same way, it should work. You won't know how much boost it can handle either. I paid $20 for my bosch bypass on ebay or look here :http://www.maximumautoparts.com/SA_C...~Valve_mo.html
    They are $26.82 there. It probably will work, but why chance it when for $20-$30 you can buy one that you know will work.

  3. #3
    Junior SCH Member onebadstang's Avatar
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    Jul 2004
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    I dont suppose you have a part # huh? I didnt know they were that cheap. Your right, why chance it! Thanks!

  4. #4
    Senior SCH Member 92 coupe's Avatar
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    Feb 2003
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    Here is a link w/ part #'s. Read through it it may answer most of your questions:
    http://www.superchargerhelp.com/show...t=bypass+valve

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