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Old 01-29-2025, 02:20 PM   #1
jerdan
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Default Carb question

What would you use to chase the threads on the vacuum port on Holley 94?
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Old 01-29-2025, 05:51 PM   #2
scicala
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Default Re: Carb question

The threads are 3/8-24. It's not a tapered pipe thread.

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Old 01-29-2025, 11:35 PM   #3
mcgarrett
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Default Re: Carb question

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Quote:
Originally Posted by jerdan View Post
What would you use to chase the threads on the vacuum port on Holley 94?
I would recommend NOT using a standard tap - use only a thread chaser/rethreading tool.

https://www.amazon.com/Bicos-Thread-...211671&sr=8-16
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