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Thread: Thanks for letting me in

  1. #1
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    Tech Thanks for letting me in

    I’m working on a 51 M38 L-134 carter 637ys carb
    Been working on it for a few months, body n engine. Got it running

    on on my first attempt to start I used an electric fuel pump to make sure fuel was getting to carb. I sprayed quick start solution n engine started after three try’s and it would accelerate very nicely, no hesitation or bogging down

    then I went with the mechanical fuel pump. Cranked it up, it ran but after a few seconds the carb blew. Started leaking n gas was being pushed into fuel filter with lots of pressure

    next t installed a fuel pressure regulator, fuel pressure gauge n quick start n it started, but will not start immediately after turning the engine for a while. I have to use quick start. Fuel pressure is at 3 to 3.5 psi and engine will not start on its own and when running it will not accelerate, it bogs down when I press the pedal. So that’s where I’m at. Trying to figure what my next step will be

    can anyone help suggest of whatever you can offer in tips will be greatly appreciated. Thanks in Advance


    FFer12. From Central Texas

  2. #2
    4 Star General marchplumber's Avatar
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    Welcome aboard!! Tons of info and good people here on the site!! ENJOY and good luck with the Jeep!!
    God bless,
    Tony


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    4 Star General dmetalmiki's Avatar
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    Welcome to the site and the hobby.
    I have the same issues with my V8 engined (Ford W.O.T. Stuart Tank) WW2 jeep.
    So I today ordered a complete carburettor gasket and repair set.
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    3 Star General SCM35A2's Avatar
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    Welcome to the site!

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    Thanks for the welcome. I’m going to try to work out the problem. It accelerated fine before the carb kit installed and before the carb blow out
    im going to hook up my electric fuel pump to the regulator n pressure gauge n try it If it works it will tell me that the mechanical fuel pump is not working properly. I think????
    Good luck with your repair gasket n kit
    FFer12

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    Welcome, fuel problems are a domino process. Has the tank been cleaned? Have you done a carb rebuild? Carburetors that have been sitting or the fuel tank is contaminated will give you fits. The air bleeds are so small that just a little rust or dirt will close the passages.

    Rebuild the carb, but the fuel tank must be clean or you will just keep contaminating the carb, or ruining the filter all in minutes. As a temporary measure you can use a clean fuel can and a new hose and get 38 running.
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