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10-08-2014, 09:43 AM | #1 |
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Join Date: Dec 2011
Location: Buenos Aires, Argentina!
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Non-return valve…HELP!
Dear Friends!
I decided to install a non-return valve to my flathead. But, i have a doubt if the valve it is in the correct place connected. I attach a pic where I installed. What do you think? Is this correct or the non-return valve must be installed after electric pump. I need your opinion. Thank all Hary
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10-08-2014, 11:36 AM | #2 |
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Location: Hertford (UK)
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Re: Non-return valve…HELP!
Hary,
Why do you need the non return valve? Is this to assist cold start ? |
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10-08-2014, 05:05 PM | #3 |
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Re: Non-return valve…HELP!
This is the actual fuel circuit.
I installed a non-return valve to keep the fuel in the pipe. I wanted to solve the problem that when I start the car the fuel pipe was empty, so I have to let the electric pump run for a while so as the fuel reaches the carburetor again.
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10-08-2014, 05:15 PM | #4 |
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Location: Iowa
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Re: Non-return valve…HELP!
If your electric pump is operating correctly, no "non return" valve should be necessary. Turn it on before starting and let it pump for a minute or two to refill the carb. Then your mechanical pump should carry the load. The reason I use the electric pump is to replenish the fuel in the carb bowl which has been lost to evaporation caused by underhood heat following a long drive and days of parking. I'm not sure why you have a pressure gauge in the fuel line.
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10-08-2014, 06:21 PM | #5 |
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Join Date: Dec 2011
Location: Buenos Aires, Argentina!
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Re: Non-return valve…HELP!
I don't have the mechanical pump installed. My electrical pump gives 7 PSI and I only need between 1,5 and 3,5 PSI. I installed a pressure gauge in order to see the pressure while regulating it with the valve before it and to avoid the over flooding the carburetor.
I think I made a mistake installing the non return valve. Didn't I? Thanks for your answer!
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10-08-2014, 06:52 PM | #6 |
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Re: Non-return valve…HELP!
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10-08-2014, 07:35 PM | #7 | |
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Re: Non-return valve…HELP!
Quote:
I see you are right, my car run ok, but I noticed that go roughly after installing valve. This happened last weekend, fortunately i like to share some "FOOLISHNESS" I do and can see to change it at time. Tomorrow I will take it out and trough it away. Thank you again. Hary
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10-09-2014, 09:42 AM | #8 |
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Join Date: Dec 2011
Location: Buenos Aires, Argentina!
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Re: Non-return valve…HELP!
Hi all!
Finally I took the valve out and my car is happy now. Roughly disappeared fortunately. Thank for your patience and help! Hary
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