Pictured here is "after" graph, a dyno pull after all adjustments have been made. Our power jumped up a whopping 74 hp and 121 lb-ft of torque at the rear wheels (364 hp and 468 lb-ft). These numbers were achieved by merely leaning out the fuel mixture to approximately 12.8:1, and adding a slightly more aggressive timing curve. Not bad for a little tuning and a relatively clean set of hands. Hours could have been spent gaining every last ounce of power, but this is a 91-octane pump-gas tune for a street-driven '57. Sometimes ponies are left on the table for reliability and drivability.