Paxton Eight Rib Belt Drive System The Driving Force
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18 Burcham succumbed to peer pressure and grabbed a 2.75-inch Carbonite pulley. The smaller-diameter pulley bumped the boost to 20.5 psi and brought impeller speed slightly past its maximum efficiency rating of 60,000 rpm. At 7,200 rpm, the impeller was spinning a little more than 62,000 rpm (crank pulley/blower pulley x step-up ratio x engine rpm). View Related Article
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