The Ford Barn - Carb question

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jerdan

01-29-2025 02:20 PM

Carb question

What would you use to chase the threads on the vacuum port on Holley 94?

scicala

01-29-2025 05:51 PM

Re: Carb question

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

Sal

mcgarrett

01-29-2025 11:35 PM

Re: Carb question

Quote:

Originally Posted by jerdan (Post 2365812)

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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