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FarmallB Carb Question

Farmall Super A, AV, 100, 130, & 140 1939 - 1973
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RogerW
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FarmallB Carb Question

Postby RogerW » Fri Apr 05, 2019 4:31 pm

I am working on a carb off a B, and it was sludged up bad. The main jet is plugged solid. Anone knowwhat size the jet is, or where I can get one? Thank you.
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RogerW
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Re: FarmallB Carb Question

Postby RogerW » Fri Apr 05, 2019 4:33 pm

Sorry, I did nopt see the B is in with the F Series.
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Urbish
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Re: FarmallB Carb Question

Postby Urbish » Sun Apr 07, 2019 8:30 pm

Should be the same as an A. Have you looked through the Farmall A manuals? I'd measure mine, but I have a Zenith for an Allis WD on my B; which works, but isn't quite right.
Jim

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Jim Becker
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Re: FarmallB Carb Question

Postby Jim Becker » Sun Apr 07, 2019 9:56 pm

Assuming you have a Zenith gasoline carburetor, the parts catalog says early (to serial 61610) is #17 and later is #18.

The Model A guys at fordgarage.com say "The original Ford / Zenith carburetor jet number found stamped on the jet is the orifice size as expressed in 0.05 mm increments. For example, a jet marked number '18' has an orifice diameter of (18)*(0.05) = 0.9 mm = 0.035 inch. " I assume that applies here.
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Smithrod
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Re: FarmallB Carb Question

Postby Smithrod » Tue May 14, 2019 4:50 am

I purchased a full rebuild kit and it came with a new jet. My carb had been sitting for decades and fired up after a few turns. I see steiners, amazon and A and I amongst others carry full carb kits. Always worth the extra money to do it all. Usually only an extra $10 or so for a full kit as opposed to a kit which is mostly just gasket replacement.
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