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An interesting mystery factory part (pre-'74 1bbl carb spacer)
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Author:  SlantSixDan [ Mon May 12, 2025 3:12 pm ]
Post subject:  An interesting mystery factory part (pre-'74 1bbl carb spacer)
This is interesting. A thick factory phenolic (filled Bakelite) insulator with the same pattern as the '61-'73 1-barrel carb base gasket. Part № 2406 063. The first few 2406-xxx part numbers show up in '62, with more introduced in '63-4, but this 2406 063 number does not appear in any passenger car FPCs up through '69, well past when new 2406-xxx numbers stopped being introduced.

Also, strikes me a spacer like this would make problems with linkage and/or hood clearance in at least some of the '63-'66 passcar applications, so I'm guessing thiz a truck/van item. Lotta heat buildup in the engine bay of an A100 van, for example; wouldn't surprise me if this piece was used in those.

Still, would be an interesting part to have and/or duplicate, eh!
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Author:  Reed [ Mon May 12, 2025 4:03 pm ]
Post subject:  Re: An interesting mystery factory part (pre-'74 1bbl carb spacer)
That is interesting, and I would not be surprised to see that used on heavy truck applications like the Cortez motor home, tow truck, big dump trucks, or, yes, the A series vans.
Author:  SlantSixDan [ Mon May 12, 2025 5:16 pm ]
Post subject:  Re: An interesting mystery factory part (pre-'74 1bbl carb spacer)
Good thought, but the Cortez motor home used a sidedraft Carter YH carb mounted on a unique intake manifold. By the time it was reconfigured to use a downdraft carb, part numbers had advanced well beyond 2406-xxx.
Author:  Reed [ Tue May 13, 2025 12:10 am ]
Post subject:  Re: An interesting mystery factory part (pre-'74 1bbl carb spacer)
Quote:
Good thought, but the Cortez motor home used a sidedraft Carter YH carb mounted on a unique intake manifold. By the time it was reconfigured to use a downdraft carb, part numbers had advanced well beyond 2406-xxx.
Oh, yeah, I forgot the Cortez was a side draft.
Author:  kesteb [ Wed May 14, 2025 3:16 pm ]
Post subject:  Re: An interesting mystery factory part (pre-'74 1bbl carb spacer)
Maybe part of the California emissions package. California started requiring emissions stuff in the early '60s.
Author:  SlantSixDan [ Wed May 14, 2025 8:32 pm ]
Post subject:  Re: An interesting mystery factory part (pre-'74 1bbl carb spacer)
Quote:
Maybe part of the California emissions package.
No, those parts are in the FPC, and this isn't.
Quote:
California started requiring emissions stuff in the early '60s.
California required PCV for 1961, and closed-loop crankcase ventilation for 1964. Neither of those things involves a part like this.
Author:  mcnoople [ Thu May 15, 2025 5:58 am ]
Post subject:  Re: An interesting mystery factory part (pre-'74 1bbl carb spacer)
Could it be from some flavor of propane kit? Forklifts or stationary equipment (pumps,sirens,gennys)?
Author:  SlantSixDan [ Thu May 15, 2025 9:52 am ]
Post subject:  Re: An interesting mystery factory part (pre-'74 1bbl carb spacer)
No, that's real clearly the mount pattern for a pre-'74 Slant-6 1bbl gasoline carburetor. Carter BBS, Holley 1920, Stromberg WA3.
Author:  mcnoople [ Thu May 15, 2025 12:58 pm ]
Post subject:  Re: An interesting mystery factory part (pre-'74 1bbl carb spacer)
Quote:
No, that's real clearly the mount pattern for a pre-'74 Slant-6 1bbl gasoline carburetor. Carter BBS, Holley 1920, Stromberg WA3.
That would rule out the propane idea.

Are there any online parts catalogs for the industrial side? Is the corporate parts packaging the same on the industrial side. I remember seeing the ancient sales brochure for the inboard mounted slant marine engine and seeing weird unknown parts just makes me go towards the I/M side of chrysler's network.



edit. I went digging through internet pics of the inboard slants for boat usage. It looks like the marine slant used an aluminum spacer and that it was actually cut at an angle. The engine must have been mounted nose up in that particular unit.

And I did find this picture. I am not sure what the contraption is, but it is the earlier 3 plug block and has a visible spacer on the carb. But it looks like it rotates the carb 90 degrees as well.

https://bigiron.blob.core.windows.net/p ... f41bee.jpg
Author:  SlantSixDan [ Thu May 15, 2025 6:13 pm ]
Post subject:  Re: An interesting mystery factory part (pre-'74 1bbl carb spacer)
That's an industrial/agricultural machine. The carb (an ancient type, maybe a Carter BB or an old-old Bendix-Stromberg unit) is rotated to make peaceful linkage compatibility with the belt-driven speed governor.
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