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Thread: J-H Stromberg carb connections? Where do they go?

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    J-H Stromberg carb connections? Where do they go?

    In an effort to get it plumbed correctly, I have taken some photos to suppport my questions;
    vacuum.jpg
    I know this is a vacuum line.

    vacuumadvance.jpg
    And this vacuum goes to the distributor.

    whatisit.jpg
    What is this gadget with two spigots? Where do they go to?

    whatisit2.jpg
    I jumped these to the vacuum port in the first photo. Please advise!

    jumper.jpg
    Two brass pipes looked like they wanted to be connected. Is that correct?

    morevacuum.jpg
    I plugged these vacuum ports. Where do they go?

    Thank you all for your help.
    Regards, Ray

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    Great Pumpkin DrEntropy's Avatar
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    Re: J-H Stromberg carb connections? Where do they go?

    The "two spigots" thing looks to be a hot water choke. Ignore it (we're in Florida!). "Whatisit2" is a by-pass valve, emissions device to limit excess fuel going to atmosphere on deceleration. Controlled by vacuum on the rear carb in "jumper.jpg".

    "Morevacuum" should have one line going to the charcoal cannister, IIRC.

    Haven't seen or worked on J-H since the mid-eighties, then only a couple came through the shop. The 907 Lotus cars we worked on were converted to Weber or Dellorto carbs.
    '64 MGB, '67 Lotus Elan S-3 DHC,'69 Lotus Elan +2
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    Great Pumpkin JPSmit's Avatar
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    Re: J-H Stromberg carb connections? Where do they go?

    Ray, PM me your email address and I can send you a PDF of a Stromberg manual - It might not go into the detail you need as per Doc's responses above, but if you can use it you are welcome.
    John-Peter Smit
    1976 MG Midget
    1969 Vauxhall Viva GT
    1958 Fiat Multipla (Barn art)

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