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NoShortcuts
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Group: Forum Members
Last Active: 2 Years Ago
Posts: 1.4K,
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I subscribe to Hemmings Motor News, Mike. It's available at bigger news stands on a monthly basis. NOTE: unusual magazine in that the index is on the last page! 
The way our economy has been, there have been a lot of 'special interest' cars offered for sale in the last several years. Also, with the '50s cars getting older, the late '60s cars seem to be drawing more of the attention of those who are buying.
My sense is that because of increasing availability (because of older owners who are looking to sell) and declining interest (due to the different demand of present younger buyers), there are some GooD '50s Fords available for less money than was spent by their long time owners getting them into the shape that they're in.
It's like the Model 'A's... they're past their prime in what they will bring in most cases. A majority of the people who were interested in them have stopped being interested in owning one...
Hope the suggestion of Hemmings helps.
NoShortcuts
a.k.a. Charlie Brown
near Syracuse, New York
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slumlord444
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I ran the '56 Ford single quad carbs on my .57 Bird for many years back in the '60s and they worked fine. Only changes I made was to install the proper jetting for the dual quads. I set up the secondaries manually for drag racing. Worked ok with a 3 speed stick and 3.89 rear end. Eventually got the right carbs and drive ability is a little better with the vacuum secondaries working.
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Rocketman 88
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Group: Forum Members
Last Active: 11 Years Ago
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AKA,
Thanks for the attitude boost. I think that I will keep the set-up for now. When I get my 56 the worst that can happen is that I put the set-up on and if I'm not satisfied I can return to the original configuration.
This all brings me too another subject, my dream car. I'm looking for a 1956 Crown Victoria, preferably blue and white (no pink or rose), continental kit, AT, PB and PS. None of these are cast in stone but I would like to get as close as possible to my dream. Would like to have at least a #2 or high #3 that doesn't need any serious work. Gone through several complete off frame restorations and am currently doing off frame on my 1957 "E" Bird and at my age I really don't want any more restoration projects. Any leads would be really appreciated.
Rocketman (Aka Mike)
Rocketman 88
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NoShortcuts
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Group: Forum Members
Last Active: 2 Years Ago
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Rocketman 88 (Mike), I'm disappointed to hear that the information shared has served to discourage you from doing what you set out to do. The intention was to support you with the info needed to assemble a 2x4 set-up that would operate and perform as good as if it came directly from Detroit back in the '50s or '60s.
Car enthusiasts have been throwing multi-carb set-ups on vehicles for years-and-years without doing anything to the carburetors. They ran, just not as well as they might. They looked good and the operational quirks they displayed were part of the aura of having souped-up your car. The motor heads who raced may have sorted some of the quirks out, but often they didn't do much more than jetting changes because they were only concerned about wide-open-throttle performance.
The modifications identified for the '56 FoMoCo Holley 4000s are the 'tweaks' that will deliver a 2x4 set-up that has good throttle response, drive-ability, and the secondaries will actually open. -Performance equal to what came off the Ford dealer lot in 1957 as an 'E' code car. IMO, '56 FoMoCo single quad application carburetors can be modified to perform on the road just as well as the original '56 EDBs or '57 ECJs.
I see the ECJs and EDBs as a simpler carburetor than what was used on the '56 single quad applications. The ECJs and EDBs don't have a low speed to high speed transition circuit. As John indicated, Holley added brass rings to the primary venturi boosters on the ECJs and EDBs to work against low speed over-carburetion that would likely be termed 'flat-spots'.
Actually, you're off to a good start with what you have. Using two of the same series of '56 Holley 4000s (you said you had two 'Ms') you're avoiding differences in carburetor internal circuitry that none of us have a handle on.
I hope you'll reconsider putting the 2x4s on the '56. 
a.k.a. Charlie Brown
near Syracuse, New York
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Rocketman 88
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Group: Forum Members
Last Active: 11 Years Ago
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AKA,
Wow! Thanks for that great breakdown. As I was going to do this 2x4v more or less as a novelty only because I have the manifold, carbs and valley pan, on a car that I haven't yet got, it probably has gotten to the "Too Hard" stage. Will most likely be listing these items on EBay or maybe on this site.
For everyone who took the time and effort to educate this neophyte I would like to express my sincere appreciation.
Rocketman (Aka Mike)
Rocketman 88
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Oldmics
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Group: Forum Members
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I will get a picture of both covers up over the weekend (work is crazy busy at the moment)
I too would like to see what the difference is.
Oldmics
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NoShortcuts
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Group: Forum Members
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Hoosier Hurricane (8/27/2014)
Charlie: I agree with what you say except for carb jetting. The ECZ-M carbs are not dual quad carbs. The dual carbs have restrictor rings on the boost venturii to increase the air flow in the primaries, thereby increasing vacuum at the fuel discharge tube. 55 jets will be too lean without the rings. I would suggest leaving the original jets in the M carbs and when the setup is running, tune the jetting as needed. I'm not sure why the secondary jets are smaller for the dual setup, the secondary throats are the same size for both carbs. Maybe there are differences in air bleeds somewhere making the jetting requirement different.
Your thinking regarding the jetting of original application single quad Holley 4000s when used as replacements for the 'E' code carb units is appreciated, John. Your actual experience with the 2x4 set-up on your '56 is invaluable.
In assembling a set-up with '56 single quad application carbs, I've been going by what I've gathered from earlier Forum entries and what I've been able to glean from the Ford parts books in putting a set-up together. I can see where the difference in primary booster venturis could cause a difference in the primary jetting you've mentioned. While the brass washers on the venturi boosters could be viewed as a form of air flow restriction, they also would seem to speed up the flow of air for metering purposes.
You mentioned air bleeds, and that's something I've been scratching my head about. Wasn't there a different cover used on the fuel bowl of the ECJ and EDB series Holley 4000s used with the 2x4 configuration? Do I recall Ted mentioning something about air bleeds on the 2x4 Holley 4000s in the 2x4 testing article in Y-Block Magazine? Because the vacuum signal is cut-in-half in the 2x4 carb set-up, is the venting needed for the fuel bowl different???
Thanks for any help on this. I'm trying to avoid more-than-normal sorting out a a non-original set-up.
NoShortcuts
a.k.a. Charlie Brown
near Syracuse, New York
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Group: Forum Members
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Oldmics (8/28/2014)
According to my Holly information the float bowl cover is different on the dual quad carbs that the regular T Pot The cover used on the 1956 EDB carbs and also on both of the 1957 "E" carbs are the same part number and again different than any of the other T Pots.
Oldmics
THANKS for the info, Oldmics. I'd like to see what the openings look like on an ECJ or EDB carburetor cover. 
NoShortcuts
a.k.a. Charlie Brown
near Syracuse, New York
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DryLakesRacer
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Oldmics..I am definatly interested in the air cleaner please e-mail me at gmc6power@earthlink.net with details I and thanks for the information. This site has been a wealth of information....Thanks
56 Vic, B'Ville 200 MPH Club Member, So Cal.
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Oldmics
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Group: Forum Members
Last Active: 5 Years Ago
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According to my Holly information the float bowl cover is different on the dual quad carbs that the regular T Pot The cover used on the 1956 EDB carbs and also on both of the 1957 "E" carbs are the same part number and again different than any of the other T Pots.
As to that auction on the hold down clamps - that guy screwed me on a set of "E" style clamps (sent normal hold downs) and was a real P.I.T.A$$. I would not entertain any purchases from him.
I have a Purolater dual quad Ford correct air cleaner that I would sell if interested (not cheap).I could offer the dimensions to you if you like.
Oldmics
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