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Old 10-22-2007, 02:53 PM
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triathlonx13 triathlonx13 is offline
Ultimate Warrior
 
Join Date: Aug 2007
Location: NY
Posts: 2,300
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I have HP 330 heads with 13.25:1 Compression. Jeff suggested I ran 30-32 and shift at 6,200 rpm. (4 bolt main, half filled, lifter bore brace, .660 lift (.705 gross valve lift) 461 ci.

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