Zenith carb nozzle

[Dave Westlund]

I've had this zenith carb sitting on my shelf for sometime now. Normally the carbs I see on the B/C's Allis's have a nozzle that sticks above the pictured hole in
the carb. This bottom half looks to have a recessed (tiny) nozzle inserted down in. Were both types used during the life cycle the Allis B and C's?

Thanks for any insight on this question. I also have another that doesn't have any jet/nozzle in this location.

Dave

 

[Dave Westlund]

Trying to load a picture.

 

[wore out]

The nozzle has gone MISSING.

I'm not sure, offhand, if there's part of the nozzle broken off/remaining down in the hole, or if that's a separate small jet beneath it.

 

[Dave Westlund]

Wornout, It could be that the nozzle has broken. With that said I don't see threads at the top of the hole. Do you happen to know what thread pitch is used on
the nozzle?

 

[Mike(NEOhio)]

Zenith used several types of carburetors based on different castings. Mike's Carburetor has some diagrams on the website to identify them and should have parts.