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Wrong Carb on my 66 352?

 
  #1  
Old 03-14-2019, 07:05 PM
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Wrong Carb on my 66 352?

After looking over a few pictures on line I suspected that I might not have a stock carb on my 66 f350 with the 352. I got my manuals today and the carb I have is not in the book. There is nothing on the carb that gives me any type of identification of what it is.



Can anyone possibly identify the carb I have?
 
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Old 03-15-2019, 04:52 AM
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There might be something stamped on the base plate that would help identify it. The problem is just about any Ford, Autolite or Motorcraft 2V will bolt up and sorta work. If it came off of an engine with a similar displacement it should work ok. The problem is these carburetors are calibrated for specific engines, but can be recalibrated to work on any other engine. I don't think you want to go there. You would probably be better off just getting a rebuilt carb from your local parts house. As someone once said, "A carburetor is a wonderfully ingenious device for providing an incorrect air fuel mixture at all engine speeds".
 
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Old 03-15-2019, 10:23 AM
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Iím ok with that. But which carb would I want?
 
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Old 03-15-2019, 02:19 PM
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Poppatello,
I have a Holley Model 2300 2 barrel with manual choke that needs a home. It was on my 66 2WD F100 352 when I bought it. My truck is a manual transmission so the carb is not equipped with a dashpot if your truck has an automatic. I rebuilt it and put a new float in about 4.5 years ago. Shortly after that I decided to rebuild the engine and converted to a 4 barrel carb, so this Holley has been boxed up for 4 years. It worked well on the engine. On the air horn are stamped LIST-4477 0542. On the metering block is stamped L4477 6169 (RH side) and 6160 3 (LH side). I searched these numbers and one site indicated the List# signified a service replacement for 68-69 Ford trucks; although the specifications sheet in the rebuild kit listed many applications. If you cannot find an acceptable fix or replacement, let me know. You can have it for shipping cost. Maybe others here more knowledgeable than myself can chime in a let you know whether this Holley is viable for your situation.
 
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Old 03-15-2019, 05:07 PM
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The correct carb body has a 1.14 venturi which is cast into the driver's side bowl. Below that is stamped 6T C on the base plate if it is for an automatic. The top cover you have is either from a car or later model truck with a fuel vent (which is missing the rubber stopper on yours).

I've misplaced the one for a manual trans.
 

Last edited by 66v8baby; 03-22-2019 at 05:47 PM. Reason: updated information
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Old 03-19-2019, 05:46 PM
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I ended up replacing the mechanical fuel pump and she now runs like a bear! Man I love driving this beast. I plan to rebuild the current carb in a few months. I want to enjoy her a bit. Hopefully tomorrow she will pass inspection and become street legal...
 
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Old 03-19-2019, 10:03 PM
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I was doubting it was vapor locking, as it's the wrong weather for one.

Another thing, you were told it was rebuilt to a 360? That would be iffy.

I'm thinking you may have a complete 360 sitting in there instead of the original 352.
Valve covers are wrong, carb is wrong. Maybe do a manifold number check? Number is right there on top.

Steve
 
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Old 03-20-2019, 10:28 AM
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I can see the cast identification number on the manifold and it looks like C5AE-9425-B which is the correct 352 manifold for 1965 and 1966 at least, I believe.

Chad
 
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Old 03-20-2019, 05:04 PM
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I want that carb lifter if you end up changing it out......still having trouble finding one. Let me know.
 
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Old 03-20-2019, 05:10 PM
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Poppatello - you might also have a vacuum leak. Very common for a crack to develop in those original carb spacers right near where the PCV valve hose connects to it. Looking at your 3rd picture in post #1 I can see what looks like the typical degradation of the plastics on the top rounded surface. Let me know if you aren't sure where I'm talking about and I can guide you in.

Chad
 
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Old 03-21-2019, 11:09 AM
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Originally Posted by adamlpc80 View Post
I want that carb lifter if you end up changing it out......still having trouble finding one. Let me know.
Do you mean the spacer with the PCV nipple? I probably have one lying around if that's what you're looking for. PM me so we don't hijack his thread.
 
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Old 03-21-2019, 12:58 PM
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For the OP - I added a yellow arrow pointing to - basically touching - the spot that looks suspect to me. As these old spacers get brittle from heat and age they just tend to do that.






Chad
 
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Old 03-22-2019, 09:10 AM
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That top plate looks different than mine. Here's the (long) carb rebuild and bench tune video I shot a few weeks ago:

The commenter that said 6T 6 matches what I had on my tag on the front of my carb - I notice yours is missing.

The proportions of yours look similar to mine, but I don't see a kick down lever housing, so that means you're running on a manual, right? Same with no dash pot. Your accelerator pump looks the same as mine, however. That top plate just has that odd port that I don't know the purpose of.
 
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Old 03-22-2019, 05:53 PM
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edit to previous post

I grabbed the wrong carb when I read the ID number on the base plate. The 6T C carb was from a COM trans not a 4 speed manual. The 352 with 4 speed manual should be 6T F.
 
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Old 03-22-2019, 09:20 PM
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Ah - yep, COM vs Manual

That makes sense as I have the 6T 6 on my 352 COM.
 
 


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