Thread: Head and Intake Question
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Old 08-05-2010, 06:10 AM
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Carleen Carleen is offline
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Default Re: Head and Intake Question
From MorTec

3964291....69-72...rect..CLOSED..396, 402, 427, 454, 109cc chamber, Large or small hex spark plugs used, crate motor usage in years after 1970.
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