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Old 11-15-2004, 10:03 PM
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Unshrouding valves - how much is it worth?

I know unshrouding valves will increase airflow, but it is just a miniscule increase or is it significant enough to justify a loss in compression? This especially comes into play when installing larger valves and raises the question, is it better to have larger valves and a little more shrouding, or slightly smaller valves and more room on the tight side?
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