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I am rebuilding a 1989 Ford F-150 5.0 motor. It's different than the Mustang motor, and only came with 185 HP stock, non roller motor. I NEED TO KNOW HOW MUCH HORSEPOWER I'VE GAINED BY MY UPGRADES. HEADS ... I had the heads reworked, shaved 20,000 off, 3 angle valve job, CAM ... added a mild...