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Thread: header evac

  1. #1
    Junior Member JOURNEYMAN
    Join Date
    May 2007
    Location
    Pfafftown , NC
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    28

    header evac

    I have a 1983 s-10 w/ 383sbc, iron heads "nuthin fancy" just a weekend toy. I have purchased the moroso header evac kit and I need to know how far from the collector this pipe inserts should be installed. I am using the hedman s-10 shorty headers with a 3" extension coming down and turning out under the door, this is a race only setup. I appreciate any help, thanks in advance.

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    May 2006
    Posts
    2,044
    Generally you put them within 2 or 3 inches of the header flange inside the collector.

    I'd say either right before the ninety degree bend or right after it where the collector is straight.
    ***IN GOD WE TRUST***

  3. #3
    Junior Member JOURNEYMAN
    Join Date
    May 2007
    Location
    Pfafftown , NC
    Posts
    28
    Thanks, that's what I thought just wasn't sure, so I came to the RJ braintrust.

  4. #4
    Senior Member RACING JUNKIE mytmouz's Avatar
    Join Date
    May 2006
    Location
    Pelahatchie, MS
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    980
    If you have the shorties, I think you will need to put them in the pipe further downstream, after it makes the turn from the firewall should be fine...
    If you think nobody cares, try missing a payment...

  5. #5
    Junior Member JOURNEYMAN
    Join Date
    May 2007
    Location
    Pfafftown , NC
    Posts
    28
    Thanks guys I got the kit yesterday and I'm going to put them in tonight.


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