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Thread: HEDDER EVAC

  1. #1
    Senior Member DYNO OPERATOR
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    HEDDER EVAC

    IM HAVING LEMONS MAKE ME A SET OF HEADERS FOR MY RACE ONLY SBC IN A 86 MONTE CARLO WITH EVAC TUBES WELDED IN.IS THERE ANY SPECIAL BREATHER CAP I SHOULD USE ON MY VALVE COVERS AND WHAT SIZE OF HOSE WILL I NEED FOR IT TO WORK.

  2. #2
    Senior Member DYNO OPERATOR
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    The cap's can be purchased in a kit form and I am not suggesting you buy from a mail order place but Moroso makes a dual diffuser kit with grommets, check valves, and the 5/8" hose that is typical for that set up.
    Sorry lemons did not help you with this question. I install the kit on the customers car myself that those apply to for my headder purchasing customers.

  3. #3
    Senior Member RACING JUNKIE
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    Here's a pic. of the ststem that topspeedlowet is talking about. They go for about $35.00.

    I've got a set of Lemons for my Malibu 2" to 2 1/8 Step with 4" collectors. I haven't put them on yet, but you want be disappointed with the quality, if you are running alcohol you may want to have them weld in EGT bungs while they are building them, it's more cost effective if they do them at the time of the build.

    JMO

    Zip.


  4. #4
    Senior Member RACING JUNKIE curtisreed's Avatar
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    Don't mean to put this in the wrong place but I have a set of shogun style breathers I would let go for $75.00 and the ride.

    https://www.shogunindustries.com/cgi...ew_item=E42798

    Curtis

  5. #5
    Administrator RACING JUNKIE bjuice's Avatar
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    I have sho-guns on my 67 camaro..plug in one side to the moroso vaccum pump..they came with a set of Valve covers i purchased off RJ few years back....they are a good piece of equipment
    Bjuice..

    "I'M YOUR HUCKLEBERRY ! "

  6. #6
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
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    Quote Originally Posted by doorracer
    Don't mean to put this in the wrong place but I have a set of shogun style breathers I would let go for $75.00 and the ride.

    https://www.shogunindustries.com/cgi...ew_item=E42798

    Curtis
    That article brings up a good point in that using mufflers is reducing scavenging volume / speed.

    What size are the AN fittings on the caps ?
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  7. #7
    Administrator RACING JUNKIE bjuice's Avatar
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    if i'm not mistaken i think they are #10's if your speaking of the sho-guns
    Bjuice..

    "I'M YOUR HUCKLEBERRY ! "

  8. #8
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
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    Quote Originally Posted by bjuice
    if i'm not mistaken i think they are #10's if your speaking of the sho-guns
    Yes, thanks. Looks like something I'll want to add to my rig. Anyone on RJ sell 'em ?
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  9. #9
    Senior Member RACING JUNKIE
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    Yeah I'd like to get those bolt on breather caps for my motor too, but I don't want to spend a bill to get them, surley somebody other than shogun industries makes them - anybody know where I could get some alittle cheaper?

    Thx, Cp
    ***IN GOD WE TRUST***

  10. #10
    Senior Member RACING JUNKIE curtisreed's Avatar
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    Quote Originally Posted by cepx111
    Yeah I'd like to get those bolt on breather caps for my motor too, but I don't want to spend a bill to get them, surley somebody other than shogun industries makes them - anybody know where I could get some alittle cheaper?

    Thx, Cp
    Uh, yes. Scroll up^^^^^^


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