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11-28-2020, 03:35 PM | #1 |
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Thread size for Model B jets
Hi folks,
My reading and measurements indicate that the threads on Model B carb. jets (e.g. main, cap, other) are 10-34, yes, ten dash thirty four, not the standard 10-32. No amount of Googling has yet enabled me to find a source for such a thread (save for one, which is actually a typo). Has anyone heard of a source for a 10-34 tap, or otherwise come up with a solution for creating such a thread? -Andrew |
11-28-2020, 03:46 PM | #2 |
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Re: Thread size for Model B jets
All Jets A and B carbs are 5mm X .75 pitch
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11-28-2020, 03:55 PM | #3 |
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Re: Thread size for Model B jets
Gary is correct. 10-34 is close to 5mmX .75. I think that's why the incorrect size of 10-34 was used. 5mm x .75 is available. Try MSC or McMaster.
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11-28-2020, 05:17 PM | #4 |
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Location: Glide, Oregon
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Re: Thread size for Model B jets
Snyder's has the correct tap. https://www.snydersantiqueauto.com/P...earchByKeyword
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11-28-2020, 05:49 PM | #5 |
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Re: Thread size for Model B jets
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Yes, that actually makes sense (much more than a 10-34 tap does), given that Zenith used metric units for dimensions of other parts. Don't know why I didn't think of that. Cheers, Andrew |
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