ISM Raceway in Phoenix – Saturday 4:50pm – USAC Silver Crown Cooper Cup race notes
By Steve Wittich Bobby Santos, who dropped back early from his outside front row position, used a well-timed pit stop under yellow, to make the adjustments and fresh Hoosier Tire rubber to give him the car he needed to win his second consecutive Cooper Cup at ISM Raceway. Nine rows of two heavy metal machines…