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Old 03-25-2007, 07:54 PM
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if i mill a set of 853 heads .010 what will that change the combustion chamber size to and what size head gaskets do i need to use to be able to keep my 7.4 pushrods
Old 03-25-2007, 08:23 PM
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around 64cc you can just keep the same sized gasket but it will increase lifter preload by .010
Old 03-25-2007, 08:33 PM
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Moving to Internal
Old 03-25-2007, 08:35 PM
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Originally Posted by brad8266
around 64cc you can just keep the same sized gasket but it will increase lifter preload by .010
You're assuming 1 cc per .005" Brad?
Old 03-25-2007, 08:36 PM
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Originally Posted by Studytime
You're assuming 1 cc per .005" Brad?
yeah thats close its .005 -.006 per cc.
Old 03-28-2007, 11:59 AM
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will that hurt anything
Old 03-28-2007, 12:23 PM
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Originally Posted by bluenyghthawk
will that hurt anything
It will add an additional .010 of lifter preload which is OK.
Old 03-28-2007, 08:05 PM
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k thanx




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