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Old Apr 2, 2003 | 11:01 PM
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Kai
Rotorphile.
 
Joined: Mar 2002
Posts: 10,120
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From: Richmond, VA
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Are you sure it's not the other way around? B18C (P72 series) GS-R heads yeild higher compression (via smaller combustion chamber) then B16/17/18C specR (PR3 series) heads.
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