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Old 03-20-2009, 10:46 AM   #22
BigD
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Join Date: May 2002
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Quote:
Originally Posted by everlast View Post
Edit - where did you get this info: ".97 volumetric efficiency, which is pretty conservative"? Race motors can go above 1 at the right RPM range, but most street motors don't approach 1 from what I understand.
From Garrett - they say figure 96-99 for a good DOHC head.
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