Thread: How many people are successfully running 10-1+ compression Iron Head 400's on Pump
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Old 08-28-2019, 08:34 AM
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chiphead chiphead is offline
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Join Date: Nov 2004
Location: Aiken, SC
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I like that calculator. It even accounts for top ring land volume, which adds about 1 to 1.5 CC to piston dish size.

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