Chevy 355 Small Block Engine Build - Cheap Skate!
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After a quick fluff-and-buff job that involved gasket-matching the ports and radiusing the bowls, SAM coaxed an impressive 280 cfm out of the intake ports. Despite their large cross-section, the ports maintain excellent low- and midlift velocity, as proven by the 355's average torque output of nearly 400 lb-ft. View Related Article
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