Zenotson, er Tillith carb?

[theHIGHLANDER]

I have a Tillotson carb that's structured like a Zenith. It's not cast iron like a Zenith, it's a pot metal carb with some bigger passages and a power circuit near WFO. It looks really good inside, very serviceable but I don't recall seeing one like this. Industrial? Early aftermarket? I kinda like it, like maybe it has some flow and fuel delivery advantages. What gets me is that it looks like an iron Zenith vs the usual Tillotsons (have 2 of those). Anybody know the what/when/where on these?

[TinCup]

This is a Tillotson F1B. No parts are available which makes them pretty much unusable unless you have enough for spares. I have two and they do run nice.

[Purdy Swoft]

Here is one of mine. I have not ever run a Tillotson F1B. It has been said that it wasn't a popular design. I didn't see my first one until 1999 at the shade tree model A club swap meet in Augusta GA. I see them pretty often now on eBay. I just wanted a few for my collection and spare parts. I think that they should run if in good clean cond. Smith and Jones model A parts in columbia SC. has gasket sets for the F1B Tillitson, so I am told.

[Ron in Quincy]

Smith and Jones just have the housing gasket.

The F1B is the forrunner of the Tillotson Model X. I have several F1B's rebuilt; have installed one and test run it on my A; it runs just as strong as the Model X.

If any one is in need of any F1B parts let me know; have lower housings, jets etc.

[email protected]

Ron

[theHIGHLANDER]

I'll post some detail pics later. This one will clean up and be just fine. Looks rebuilt and forgotten so cleaning and some compressed air it should be a good one. Just when you thought you had enough Model A info...

[TinCup]

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As Ron said jets and major parts are not available. I would agree runs just like a Model X. Mine was originally painted black and was in a box of parts I bought in Chickasha.