Small-Block Chevy Build - Sleeper Combo Part II
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For the sake of comparison, we looked at the numbers from a set of factory GM iron Vortec heads flowed previously on the same flow bench. The E-Streets were within 2 to 3 cfm through midlift then flowed 12 to 14 cfm more through the intake after 0.500 lift and 10 to 12 cfm more through the exhaust after 0.400 lift. The E-Streets have 185cc intake and 60cc exhaust ports. View Related Article
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