A Difficult six-hour race for Porsche teams at Watkins Glen

The Six Hours of the Glen is one of the most difficult races in the Tudor United SportsCar Championship calendar. That was proven on Sunday at Watkins Glen International as the two-car Porsche 911 RSR factory effort, Porsche North America, finished fifth and eighth in the GTLM class. The Team Falken Tire customer-owned Porsche 911…