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02-08-2023, 07:17 AM | #1 |
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Fuel pump adjustment- possible?
Hey y'all, I have a stock, glass bowl fuel pump on my '34 motor.
The outlet is exiting right against the carb body (running 2 dueces on a Fenton intake) so..my question: Can I remove the screws that hold the pump together and rotate the top section CCW one screw hole and reinstall the screws to put it back together,,,and the pump still work properly? Is this possible? |
02-08-2023, 07:36 AM | #2 |
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Re: Fuel pump adjustment- possible?
Yes
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02-08-2023, 07:49 AM | #3 | |
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Re: Fuel pump adjustment- possible?
Quote:
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02-08-2023, 08:23 AM | #4 |
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Re: Fuel pump adjustment- possible?
Just make sure the diaphragm stays with the body and only the lid rotates.
Mart. |
02-08-2023, 08:36 AM | #5 |
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Re: Fuel pump adjustment- possible?
P.S. There is nothing "stock" about a glass bowl fuel pump on a '34 Ford.
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02-08-2023, 09:05 AM | #6 |
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Re: Fuel pump adjustment- possible?
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02-08-2023, 09:35 AM | #7 |
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Re: Fuel pump adjustment- possible?
David, that was the first thing that I'd thought when reading the original post.
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02-08-2023, 11:16 AM | #8 |
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Re: Fuel pump adjustment- possible?
Me too.
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02-08-2023, 11:33 AM | #9 |
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Re: Fuel pump adjustment- possible?
Two Deuces on a Fenton manifold. It ain't stock anyway.
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02-08-2023, 11:42 AM | #10 |
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Re: Fuel pump adjustment- possible?
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02-09-2023, 11:25 AM | #11 |
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Re: Fuel pump adjustment- possible?
Thanks guys- we'll give it a go.
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02-09-2023, 12:25 PM | #12 |
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Re: Fuel pump adjustment- possible?
I am no expert, but I seem to remember a procedure from the Ford Service Bulletins to depress the actuator arm partway before tightening the cover screws to prevent installing the diaphragm in a stretched condition. I am away from home right now and can’t confirm the exact procedure.
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02-09-2023, 12:53 PM | #13 |
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Re: Fuel pump adjustment- possible?
Stock or non-stock. Who cares?! The guy just wanted some advice on his fuel pump. You guys have taken "ridiculousness" to a whole new level.
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02-09-2023, 01:30 PM | #14 |
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Re: Fuel pump adjustment- possible?
I believe the reason this Forum is so popular is that it provides a wealth of knowledge in answers to questions that haven’t been asked.
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02-09-2023, 02:43 PM | #15 |
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Re: Fuel pump adjustment- possible?
marko39 I could be wrong, but the tension of the spring in the pump is what generates the output pressure. If your old is still available, swap the spring from it to the new pump.
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02-10-2023, 08:06 AM | #16 |
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Re: Fuel pump adjustment- possible?
i shall try this as i have several old pumps but dont know if they are the same as the china Drake pump.
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02-10-2023, 09:50 AM | #17 |
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Re: Fuel pump adjustment- possible?
Kind of same topic here, has anyone ever tried shortening the pressure spring to lower the psi in their fuel pump? I've tried it on my 36 dodge and it worked there. I just don't like the idea of a pressure regulator. Tim
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02-11-2023, 01:02 PM | #18 |
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Re: Fuel pump adjustment- possible?
You are not wrong. I took apart the new pump(5psi) and an old one. The springs are the same height and thickness but the new one was stiffer. Installed the old spring in the new pump and now have a usable pump. If you’ve never taken one apart ( like me) it can be a little tricky.
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02-11-2023, 05:28 PM | #19 | |
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Re: Fuel pump adjustment- possible?
Quote:
This is all good info, but I'd say that a fuel pump disassembly/rebuild would be about the simplest task of any to be undertaken, save perhaps an oil change.
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