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Old 03-31-2008, 07:16 PM   #1
rick0312
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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?
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69 C10 LWB GM 350 crate motor, 3.73 rearend
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