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Old 03-07-2013, 05:18 PM
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Originally Posted by RB67SS View Post
update cyl heads are 6272990 118cc open chamber with 3999295 pistons which are supposed to be for a closed chamber head ? any ideas on the compression ratio with this set up? Thanks Randy
About 9.3 w/a 0.041" quench distance, 0.030" over 454, 118cc heads and the 14cc domes.
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