Stuck two barrel carb difference?

Fuel and Air Systems

  1. 69moredoor

    69moredoor Well-Known Member

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    Was rebuilding a spare carb when I notice something I had not noticed before. What’s the marked bump out?
    9B83280E-3D33-49E5-9F59-99939822E98A.jpeg
     
  2. 67Dart273

    67Dart273 FABO Gold Member FABO Gold Member

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    ????WTF??? Different bolt pattern? I don't get what you are asking
     
  3. 69moredoor

    69moredoor Well-Known Member

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    On the second carb..there is a bump out with a hole in it. What’s the purpose of the bump out/hole. The other two barrels I have do not have that. The arrow points to the bump out/hole that the one on the left does not have
     
  4. AJ/FormS

    AJ/FormS 68 B'cuda fb, Form S clone ... 367/A833/3.55s FABO Gold Member

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    So you can hang it on hook in your attic......
     
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    • cudascott

      cudascott It’s a sickness!

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      :lol:
       
    • 67Dart273

      67Dart273 FABO Gold Member FABO Gold Member

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      Part of the vent I'd say. This what you are talking about?

      bumpout.jpeg
       
    • Bewy

      Bewy Well-Known Member

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      Is it part of a gasket? Might be a 'universal' gasket, fits a few models.
       
    • 69moredoor

      69moredoor Well-Known Member

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      Irr tree s not part of a gasket. It’s part of the center body of the carb. I’ll take a better pic
       
    • 69moredoor

      69moredoor Well-Known Member

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      92296F7D-50DD-4A8D-83C3-1C6A11A49514.jpeg DB5CE57F-4987-4F31-804E-6A79E6D4FD5A.jpeg First. Nothing. second. It’s there
       
    • niceolddart

      niceolddart FABO Gold Member FABO Gold Member

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      May be where something was attached, like a choke cable hold-down bracket? It does look like a manual choke carb. Just a wild guess.
       
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      • oldkimmer

        oldkimmer FABO Gold Member FABO Gold Member

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        They put it there just to make u wonder why. Kim
         
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        • 67Dart273

          67Dart273 FABO Gold Member FABO Gold Member

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          It could very well be simply a locating point for the machining process
           
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