jerdan Member Jan 29, 2025 #1 What would you use to chase the threads on the vacuum port on Holley 94?
scicala Well-known member Jan 29, 2025 #2 The threads are 3/8-24. It's not a tapered pipe thread. Sal
M mcgarrett Well-known member Jan 29, 2025 #3 jerdan said: What would you use to chase the threads on the vacuum port on Holley 94? Click to expand... I would recommend NOT using a standard tap - use only a thread chaser/rethreading tool. https://www.amazon.com/Bicos-Thread-Chaser-Metric-Rethreading/dp/B0DCYYHS6K?tag=atomicindus08-20
jerdan said: What would you use to chase the threads on the vacuum port on Holley 94? Click to expand... I would recommend NOT using a standard tap - use only a thread chaser/rethreading tool. https://www.amazon.com/Bicos-Thread-Chaser-Metric-Rethreading/dp/B0DCYYHS6K?tag=atomicindus08-20
