0604 04 Cobra 25 Z
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The Predator includes a separate tune for use with a pulley ont he Cobras. We thought it would be fair to again compare the flash tuners with the pulley installed, now using the Predator "pulley tune." This time the Predator was the hp winner, besting the Xcal 2 tune by 7 hp at the peak. For both tuners, peak torque at the wheels was identical at 480 ft.-lbs. Had the A/F not gone rich again at the top end, the Predator could have made even more power. View Related Article
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