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1988 Mustang gt heads which is better

923 Views 3 Replies 4 Participants Last post by  EagleAutosports
My local engine. Shop tells me. That. DooE windsor heads stock will out flow my gt40 heads? Can anybody help out here
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Not even ported will stock e6 or e7 heads or 351 heads out flow gt40 heads. Dont take your car there anymore!
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