C6 Corvette ZR1 Convertibles
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What looks like a stock ZR1 engine compartment hides the madness that bumps the stock LS9 from 638 to 770 horses. In addition to a 21st Century custom camshaft, an LPE 2.60-inch blower pulley, underdrive balancer, and ported blower snout raise boost to 14 pounds. View Related Article
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