The new 911 GT3 R saw its track debut at Daytona this year. Next stop, Sebring, the same place these pictures were taken earlier this summer when Porsche descended on the central Florida raceway for a 30-hour endurance test. I just love how the photographer, Victor Jon Goico, captured the brooding, menacing attitude of the black, carbon fiber clad car. It’s a shame Porsche delivers them in white…