Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - To drill or not to drill steam hole in 400
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Old 06-26-2008, 04:52 PM
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overall the coolant shouldnt overheat BUT the section that we are talking about will.
you wont notice it until you have a problem.
since you got the heads off its cheap insurance that you wont have a major issue later on.
BTW make sure your head gaskets have the steam hole aswell.
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