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Out of the box speedmaster heads flowed
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04-02-2023, 12:00 PM
ponjohn
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Join Date: Mar 2002
Location: Connecticut
Posts: 9,542
The CNC version only picked up ~10cfm. I was under the impression that 300 cfm for E-heads was simply cleaning up the port with sand paper rolls and voila 300 cfm. Hardly an improvement to call it a CNC port.
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