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Old 08-26-2006, 05:04 PM   #6
1sicklx
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Join Date: Feb 2005
Location: Lake View, AL
Posts: 2,577
Quote:
Originally Posted by QWKSNKE View Post
It is interesting to me that GT-40 'P' heads flow better than the GT-40 heads that came off my cobra even though they have smaller exhaust valves
improved runner design maybe?
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