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Old 09-13-2020, 07:38 AM   #1
JSRTUDOR
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Default 2 barrel carb

Hi, is the two barrel Ford script carb on a 272 made by Holley or is it an in house Ford part? I want to buy a rebuild kit for it. Thanks!
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Old 09-13-2020, 08:45 AM   #2
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Default Re: 2 barrel carb

we have a couple of carb experts on here hang in and they will see your post and supply an answer.a picture of carb will be a big help also possibly
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Old 09-13-2020, 10:46 AM   #3
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Default Re: 2 barrel carb

If your carb is the three bolt two barrel it is made by Holley, however some were made with FORD script on them. Kit's are available at most auto parts stores (Walker, G.P sorensen etc.) but sometimes the power valves are questionable. Also Daytona Carb in Florida has quality kits.
Charlie ny on this forum has good power valves if you want one too.

Also, if your carb is for a '56 272 with automatic choke, I have an NOS carburetor that I freshened with an ethanol resistant pump piston cup and power valve if you are interested.

Sal
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Old 09-13-2020, 04:43 PM   #4
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Default Re: 2 barrel carb

Trying to upload a picture of my carburetor
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File Type: jpeg 7EFE72B4-1BE5-446B-8CE9-EBFFE9970C3E.jpeg (102.3 KB, 83 views)
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Old 09-13-2020, 07:15 PM   #5
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Default Re: 2 barrel carb

Can't tell for 100% sure from that picture, but that carb is either a '54 EBU carb, or a '55 ECG carb since it has the spark valve on it and a manual choke. The model name should be embossed on the opposite side as shown in the picture. The venturi size will be on the rear of the carb (either 1" for the EBU model, or 1 1/16" for the ECG model. All '56 Ford 272's came with an auto choke (ECG 6 model).

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Old 09-13-2020, 07:45 PM   #6
Daves55Sedan
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Default Re: 2 barrel carb

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The carb you have looks like a Ford EBU. It is made by Holley, but has the Ford oval. It was introduced for the '54 Ford 239 Y-block and carried over to early '55 cars with 272 Y-block. I believe they originally planned to use the new Holley 2100 (very similar to the EBU) at the beginning of the '55 model year, but Holley couldn't produce them fast enough, so they installed EBU's on the early '55's.
Your original Y-block had a Holley 2110 (ECG) which was used on all the '56 Ford Y-blocks (except 4-bbl intakes had Holley Teapot). The ECG had larger venturi's and all had automatic choke.
You can buy one rebuild kit that services all three (EBU, 2100 and 2110), but some of the parts are not best quality and I personally don't like the waste of gaskets not needed. Those kits are available from Daytona Parts and many of the repro parts suppliers (probably exact same kit Daytona sells).
Sources I use for gasket sets are:
Dicks Hot Rod Carbs
Kens Carburators (Ken Isidor)
Mikes Carburator Parts
My favorite is Dicks. I can get individual gaskets, power valves, accellerator pumps and sometimes other parts that the other carb specialists don't offer.

Last edited by Daves55Sedan; 09-13-2020 at 07:53 PM.
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Old 09-14-2020, 09:14 AM   #7
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Default Re: 2 barrel carb

this may help
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File Type: jpeg 7EFE72B4-1BE5-446B-8CE9-EBFFE9970C3E.jpeg (100.5 KB, 34 views)
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Old 09-14-2020, 11:06 AM   #8
scicala
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Default Re: 2 barrel carb

Sorry, but respectfully I disagree that EBU carbs were used at all in the '55 model year. The 272 in '55 required a different (larger) venturi size (1 1/16"). I don't think engineering would release a carb too small for peak power. I have never seen any documentation for this other than "I had a friend that had '55 that had an EBU carb on it". In my opinion, if it did have one installed, it was done after the assembly line.

Sal
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Old 09-14-2020, 11:09 AM   #9
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Default Re: 2 barrel carb

Quote:
Originally Posted by 54vicky View Post
this may help
This picture is still the wrong side to see the embossed model on the other side of the bowl. Also on the rear of tha carb about halfway up it should have the venturi size (1" for EBU model, and 1 1/16" for ECG model).

Again, that's not the original model carb for a '56 272, but will work if you hook up the manual choke.

Sal
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Old 09-14-2020, 06:42 PM   #10
JSRTUDOR
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Default Re: 2 barrel carb

It says 1-1/16, ECG 5
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Old 09-14-2020, 06:45 PM   #11
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Default Re: 2 barrel carb

So I should get a Holley kit?
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Old 09-14-2020, 06:47 PM   #12
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Default Re: 2 barrel carb

Here are others pictures
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File Type: jpeg FCD3C17C-5FE1-4CE5-8770-56C344E83488.jpeg (89.5 KB, 29 views)
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Old 09-14-2020, 09:11 PM   #13
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Default Re: 2 barrel carb

All the repro places I mentioned sell one kit that fits all three types of carbs.
They list the kits as fitting Holley AA1, Holley 2100 and Holley 2110.
In reality, those kits are used to service the flathead Ford 8BA carb, not to mention the Ford EBU.
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Old 09-14-2020, 09:15 PM   #14
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Default Re: 2 barrel carb

Your carb is an oddball I've never seen before, because it is stamped with ECG, has the Ford oval on other side and has 1-1/16" venturies BUT does NOT have the automatic choke. I wonder if this was a truck carb? Made for Canadian Fords only?
All '56 cars had automatic choke, right? First year for auto choke. '55 and earlier years were all manual choke.
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Old 09-14-2020, 09:40 PM   #15
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Default Re: 2 barrel carb

Quote:
Originally Posted by scicala View Post
Sorry, but respectfully I disagree that EBU carbs were used at all in the '55 model year. The 272 in '55 required a different (larger) venturi size (1 1/16"). I don't think engineering would release a carb too small for peak power. I have never seen any documentation for this other than "I had a friend that had '55 that had an EBU carb on it". In my opinion, if it did have one installed, it was done after the assembly line. Sal
I bought my '55 in 1972. The original owners had just pulled it out of a barn where it had sat for seven years. It had never had anything done to the engine or anything else. It had a 272 with Ford EBU on it.
A couple years later, I ran across a junkyard that had three rows of '55/56 Ford cars each a block long. I looked at most of them and noticed that nearly all of them had Ford EBU carbs and as I recall, I counted less than a handfull that had Holley 2100's. It intrigued me at the time, because they looked exactly the same other than the EBU's having a Ford oval, but the Holleys had the Holley model number and patent info there. I wasn't aware of the difference in venturi size at the time.
In later years, I bought another '55 which appeared to be in original (uncared for) condition. It also had a Ford EBU on it's worn out 272.

I agree that Ford engineering originally intended for every new '55 car with Y-block have the newer Holley 2100 with 1-1/16 venturis. And I am assuming that quite a few came out of the factory with leftover EBU's due to shortages of the 2100, which had just gotten underway, based upon what I have seen. Could all these cars have had the original Holley carb swapped for the EBU some time between '55 and the mid '60's & early '70's. Yes it is possible. Not probable, though.
I noticed that the amount of gunk plastered on the front of my EBU carb perfectly matched the amount of gunk on the riser portion of the intake manifold. My Dad said no one has ever disturbed those mounting nuts on the carb and I agreed. The other one I had, same thing.
I doubt you'll find anything as far as official documentation allowing use of the EBU on the 272 engines, unless maybe someone saved an internal memo from engineers to factory to give them a go-ahead if stock of the 2100's was depleated.
But from what I've seen with my own two eyes, no one will convince me that they DIDN'T install EBU's on new 272's at the factory.
Besides, There is really no noticeable difference in accelleration or performance between the EBU and the 2100. I got a 2100 core and rebuilt it in the '80's and tried to use it. Junk. I took it off after a week and been running one of my EBU's ever since. They're fantastic. I mean no disrespect to anyone who doesn't believe, but I am 99% certain of it.
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Old 09-15-2020, 09:08 AM   #16
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Default Re: 2 barrel carb

the truck one uses a different throat where the breather mounts.I flipped it so it would be easier on the necknot so much to ID.now that Sal is here you will get the straight skinny
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Old 09-15-2020, 10:21 AM   #17
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Default Re: 2 barrel carb

The ECG 5 carb with manual choke is what came on '55 272's originally. Will work fine on your '56 272.

The EBU as stated above looks like it may have been used as overflow for early '55 272's but in my eyes it was wrong to do.

Sal
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Old 09-15-2020, 01:19 PM   #18
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Default Re: 2 barrel carb

All the 272's from 1955 that I have ever torn down or driven always had the ECG carb... go figure.
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Old 09-15-2020, 03:25 PM   #19
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Default Re: 2 barrel carb

To me it stands to reason that Ford (or any other manufacturer for that matter) would use left over parts from a previous model on new models, even if not faced with a shortage of newer parts as long as they worked acceptably. No manufacturer, especially Henry, would scrap useable parts. Under normal circumstances the leftovers would be sold to dealers as service parts. Would they tell the general public? Nope, and I doubt the public would be any the wiser. If your new '55 Ford came with an EBU carb you would never know the difference in performance which was probably minuscule. They may have told the dealers in the form of a service bulletin, and if anyone could find that it would be the smoking gun.
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Last edited by Dobie Gillis; 09-15-2020 at 03:49 PM.
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Old 09-15-2020, 04:52 PM   #20
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Default Re: 2 barrel carb

I guess we'll just leave it at that. I retired from Ford Powertrain Engineering (engine calibration) and with all the emissions regulations and EPA law suits against auto companies, something like that would not be done. I guess I'm basing my opinion on the way it's done now.

Sal
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