Thread: Flathead low intake vacuum
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Old 05-13-2024, 02:01 PM   #1
slowforty
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Join Date: May 2010
Location: Tinley Park Ill
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Default Re: Flathead low intake vacuum
I got 15 in vacuum on my old motor. It had 60lbs compression on 7 cyl and 35 on one. Ran decent for a long time.
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