With the new cam profiles, output increased to 836 hp and 713 ft-lb of torque. Equipped with the new cams, the boost pressure also dropped by 2 psi. Anytime you increase the power and drop the boost pressure, you know you've done something right. ST Motorsports then installed a 2.5-inch blower pulley in search of the elusive 900hp mark. Running a peak boost pressure of just over 24 psi produced (almost) 900 hp and 810 lb-ft of torque.