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Exhaust Crossover Question

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03-31-2008, 07:16 PM	#1
rick0312 Registered User Join Date: Jan 2006 Location: Warrington, PA Posts: 403	Exhaust Crossover Question My intake gasket is supplied with these metal inserts. I assume these are for restricting the exhaust crossover port in the head. Do you guys leave this port open, closed or restricted? Attached Images __________________ 69 C10 LWB GM 350 crate motor, 3.73 rearend

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