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i dont know

  1. #1
    Senior Member lupo1904's Avatar
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    Default i dont know

    Can someone tell me what this is? The guys at oreilys cant seem to find it or know what it is
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  3. #2
    B1 Racing cs19's Avatar
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    One way deal for pan e vac?
    B1Racing.net

  4. #3
    Senior Member Oldsquirt's Avatar
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    Default

    Original application is "air injection check valve". Very common on American cars of 70's and 80's. Have them try mid 80's Mustang 2.3 liter.
    If no luck locally, Summit carries the Moroso version -->> http://www.summitracing.com/parts/MOR-97800

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  6. #4
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    Default check valve

    That looks like a check valve that is used in a smog system. They were used in a lot of american cars between the smog pump and the air injection lines. The very same valves are used on the Moroso pan-a-vac system. If that is what you are looking for they can be had by the bucket full at pick and pull.

    Good Luck.

  7. #5
    Senior Member lupo1904's Avatar
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    thanks guys,is this thing really nessary to have on my boat?its hooked up to my valve covers and dumped into my headers. can i just eliminate them with no problems or do i need to have the one way diafram there ?

  8. #6
    Senior Member DuaneHTP's Avatar
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    The one way valve stops exhaust gases from blowing water and debris back into the valve covers. If they are not working properly, they will not pull vacumn on your crankcase as they were intended to do. They also help blow-by oil from running out of your breathers and making a mess.
    Duane HTP
    Last edited by DuaneHTP; 03-24-2012 at 04:24 PM.

  9. #7
    Senior Member ol guy's Avatar
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    The common name or mechanics term would be a gulp valve. it is in simple terms a one way valve used on the exhaust side of a combustion engine. They have become very popular as a pan-e-vac valve for most "performance" engines. M

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