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2007 Shelby Gt500 Pulley

We Traded for the slightly smaller 3.375-inch upper pulley, which gave us an extra pound of boost; we also traded the 93 octane for 103. With a slightly more aggressive tune, Jim D'Amore fired up the beast and cut it loose to the tune of 708 hp at 6,000 rpm and 679 lb-ft of torque at 4,300 rpm.
Installing Whipple's New 3.4L Supercharger - Extremely Aspirated

 We Traded for the slightly smaller 3.375-inch upper pulley, which gave us an extra pound of boost; we also traded the 93 octane for 103. With a slightly more aggressive tune, Jim D'Amore fired up the beast and cut it loose to the tune of 708 hp at 6,000 rpm and 679 lb-ft of torque at 4,300 rpm.  View Related Article

 

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