1206 007 Dyno Test Carburetors On Our 383 Six To One
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4a Holley double-pumper carburetors like the 850 have two metering blocks, making jet changes easy. The 850 HP made better torque and horsepower at every rpm than any of the carburetors we tested so far on this 383. You'll also notice that neither metering block has a power valve installed and is, in fact, blocked off. View Related Article
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