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05-02-2022, 06:35 PM | #1 |
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Fuel Regulator for Steel Fuel Lines
Hi Folks. Wondering if anyone has a recommendation for a good quality fuel regulator with flare fitting for steel fuel lines? All the stuff I've found so far has rubber hose fittings.
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05-02-2022, 06:40 PM | #2 |
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Re: Fuel Regulator for Steel Fuel Lines
How much fuel pressure are you going to run?
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05-02-2022, 06:58 PM | #3 |
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Re: Fuel Regulator for Steel Fuel Lines
3-4 psi
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05-02-2022, 07:48 PM | #4 |
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Re: Fuel Regulator for Steel Fuel Lines
Most of the better regulators have female fittings in the main body. Use adaptors as necessary. I’ve used a number of them, often with a line to the blower for blow thru systems. Here’s a link to Summit, sit down first. But you get what you pay for. I’ve had those little “twist top” ones fail immediately, leak, etc. the second to last place you want a leak is fuel, right after the brake system.
https://www.summitracing.com/search/...SAAEgIGYvD_BwE |
05-02-2022, 10:21 PM | #5 |
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Re: Fuel Regulator for Steel Fuel Lines
we used an Offenhauser "dial type" from Autozone for 10 yrs. never had it leak
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05-02-2022, 11:47 PM | #6 |
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Re: Fuel Regulator for Steel Fuel Lines
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05-03-2022, 01:12 AM | #7 |
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Re: Fuel Regulator for Steel Fuel Lines
Maybe read TECH on a DEAD-HEAD and BYPASS REGULATOR.
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05-03-2022, 07:02 AM | #8 |
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Re: Fuel Regulator for Steel Fuel Lines
Im with flathead fever. Use a pump with the correct pressure and maybe put a guage in line to check the pressure.
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05-03-2022, 08:20 AM | #9 | |
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Re: Fuel Regulator for Steel Fuel Lines
Quote:
TRANSLATION - The gauge would have to be mounted to be able to view any variations in pressures during operation.
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05-03-2022, 04:49 PM | #10 |
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Re: Fuel Regulator for Steel Fuel Lines
If you have a modern replacement mechanical fuel pump for Y-block or FE engine, those pumps have an output pressure of 5 - 7 psi which is more that what you want, so you would need a regulator to keep the pressure below 4 psi. I don't recommend any regulators available from the chain auto parts stores.
Airtex offers a 6-volt electric fuel pump with 2.5 - 4 psi output pressure part #E8902, but you'd need to remove your mechanical pump and install a block-off plate and use the electric pump full time. You can but the whole kit, part # E8902K from Vintage Auto Garage so you don't need to get fuel filter & fittings separately. |
05-03-2022, 10:00 PM | #11 |
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Re: Fuel Regulator for Steel Fuel Lines
Kultulz, the guage is just to check that the pressure is correct with the engine
running, not too low or too high so you know its the correct spec for the carb, and the pump spec is correct. When you shut the engine off the pressure usually drops. |
05-03-2022, 10:21 PM | #12 | |
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Re: Fuel Regulator for Steel Fuel Lines
Quote:
How about if I ordered a Offenhauser reg. or any other reg. from the manufacturer. would that be junk also. How about Jegs, Summit. They must get the "good" parts! Last edited by fordor41; 05-03-2022 at 10:27 PM. |
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05-04-2022, 01:52 AM | #13 | ||
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Re: Fuel Regulator for Steel Fuel Lines
Quote:
Quote:
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05-04-2022, 09:19 PM | #14 | |
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Re: Fuel Regulator for Steel Fuel Lines
Quote:
There was just waaaay to much pressure to fend off. The new repro fuel pump delivered 5 - 7 psi, and I was trying to taper the pressure down for a Holley 1904 single bbl carb for the Ford 223 I-block 6-cyl. I ended up designing a complete fuel bypass system back to the gas tank, by using an orifice in the carb supply line to direct excess pressure to a tee in the line ahead of the orifice. From there, I hung a whole nother fuel line back to the gas tank. Miraculously, it has worked without any trouble the past ten years. If you do end up getting a regulator, don't get a cheap one. It's a waste of money and time replacing it. Don't try to taper off too much pressure. My 223 I-block 6 fuel pump actually blew up rather than inundate the carb float. It's a mind blower! |
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05-05-2022, 12:58 AM | #15 | |
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Re: Fuel Regulator for Steel Fuel Lines
Quote:
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05-07-2022, 09:06 AM | #16 |
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Re: Fuel Regulator for Steel Fuel Lines
Well, I plumbed a fuel pressure gauge into the steel fuel line today right off the fuel pump. Ran the car at different RPMs. At idle it reads 4.5 PSI, and at higher RMPs it never goes over 5 PSI. So I think I can safely rule out the fuel pump as the cause of the carb flooding. To see a short video of the gauge readings go HERE. So I won't be installing a regulator at this point.
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05-07-2022, 09:58 AM | #17 |
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Re: Fuel Regulator for Steel Fuel Lines
Better to be safe than sorry. With a flooding carb, you have to start at SQUARE ONE and go from there.
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