26 Two Valves Per Cylinder Terror
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20 We stepped up the power with each pulley change, but finished up the day at 22.6 psi with a peak of 749 hp and 685 lb-ft of torque after installing a 3.0-inch blower pulley and radiused entry on the throttle body. Look for a new, more powerful test engine that will push the Wooly Mammoth Two-Valve past the 750hp mark in the very near future. View Related Article
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