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EFV-8 Club Forum / General Ford Discussion / 12 volt fuel pump flooding problem 8BA

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Discussion Topic: 12 volt fuel pump flooding problem 8BA -- page: 1 2

ken ct.

04-30-2013 @ 11:01 PM

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Coop,i can get a pump over to you in Taho by a friend whose driving a 34 to there in June. This is a single action one you need i assume.All i need to know is weather you need the small inlet-outlet of 1/8" pipe thread or the bigger 1/2x20 thread [like the carb threads] ken ct. price would be $75 no core needed. I also install a pleated paper filter in the bowl N/C. ken ct. usa.

ken ct.

04-30-2013 @ 10:50 PM

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Evidently it still hasent sunk in. 3 1/2# is about the MAXIUM these carbs will take. 2# is a more realistic pressure.Try it you will like it.Ive rebuilt hundreds of ford pumps in the past 25 yrs and only FORD ones. Ken Ct. "kens ford carburetors" an PUMPS ////

37coop

04-11-2013 @ 2:14 AM

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thanks don , the pressure I quoted is for the pump I took off , the one I,m getting from c&g(as recommended by supereal) I don't know the pressure, I,v got a regulator so if needed I will use it , .I,m just booking my flights from u.k to the taho june meet ,been a grim winter over here and looking forward to a change of scenery ,cheers jim.

Big Red 51

04-11-2013 @ 1:42 AM

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Jim, First, the double action pump is simply a combination fuel pump and vacuum booster used on cars with Fordomatic or Overdrive transmission.

Sounds like you will need a fuel regulator for the high output pump you are getting.
Good Luck, Don

37coop

04-10-2013 @ 12:13 PM

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just the final part of this topic ...I took off the old 12 volt pump in readiness for the new pump coming from c&g and the old pump is rated at 5.5 to 9psi so I guess its just too powerfull...thanks all for your help , jim.

Big Red 51

04-09-2013 @ 9:37 AM

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Yes Ken, It sank in last summer when the new Airtex dbl action pumps were putting out 7-8 lbs which is why I had to install the regulator which I set at 2-2.5 lbs and all runs well. I just want to get the pressure down so I can run the stock pump without a regulator and also satisfy the judging rules. You know a way to run a 7lb pump without using an inline regulator between the pump and carb??

37coop

04-09-2013 @ 9:32 AM

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ken...no it didn't "sink in" because I was told by members of the forum that the pressure should be between 31/2 to 41/2.....I,m on this forum because I don't know the answers jim.

ken ct.

04-09-2013 @ 9:02 AM

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Didn't it sink in yet your running too hi a pressure. try 2#. ken ct.

37coop

04-09-2013 @ 7:12 AM

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thanks all , I,v just ordered a 12 volt pump from c&g as advised(before I got back onto the forum) in the catalogue it just states 12 v or 6v it doesn't give any info regarding brand or pressure etc but as they were the only choice I,m guessing they are airtex as mentioned by super . I got a message back from carpenter regarding the pushrod and they stated the same reason as don got from dc ..the metal wasn't hard enough so they have been backed and awaiting a further delivery,also an email from joblot saying a waiting of around 2 months ,I,m pleased that eventually I can get one,if I can crack on using the electric pump system till then that will do nicely.....don ..I didn't quite understand when you said about the,,airtex mechanical double action pump..by mechanical do you mean non electric? and what is the double action?...and what pressure can I expect from the pump I,v just bought?although I,m prepared to use a regulator, thanks again , this forum has been fantastic , I,v been in the club near on 30 years with a short break and never used it before , cheers ..jim.

Big Red 51

04-09-2013 @ 6:50 AM

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Jim, Just talked with the DC guys, they have the fuel pump rods and bushings in stock, however, the metal is too soft so they are not shipping them out and are trying to get another supplier. Sounds like Chinese metal to me. Guess you will have to go with the electric pump for now.
Bob;
I was talking about the Airtex mechanical double action fuel pumps which have the 7 to 8 lbs of pressure. Checked with two known good gauges. One pump was from C&G. I also talked with a tech at Airtex who said they don't check the pressure output before they ship and, furthermore, he said they don't have a way to check the pressure anyway. I was very surprised to hear him say that. With as many new pumps that they ship, you would think they would rig a simple way to check the output pressure. I am looking for a way to reduce the pressure output down to around 3 lbs without using a regulator( for show purposes). I guess I could shorten the stroke by putting a piece of leather in the pump cap. Think that would work to bring it down to 3lbs or so? I have already blown out one KenCTs good power valves in the 94 carb.
Don

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