Thread: Thread size for vacuum port on Offy BA 4 barrel-intake under carb mount base?
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Old 09-20-2024, 04:26 PM   #2
Mart
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Location: Solihull, England.
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Default Re: Thread size for vacuum port on Offy BA 4 barrel-intake under carb mount base?
Can you just measure it and see what thread it matches most closely? It's probably NPT but hard to say from here. NPT thread specs are easily found by googling.
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