from the Speed magazine article just released:
West loop, 1.56 mile config, clockwise: 1:13:80 (sport pack)
East Loop, 1 mile config, clockwise: 0:55:80 (sport pack, same car)
West loop, 1.56 mile config, clockwise: 1:13:80 (sport pack)
East Loop, 1 mile config, clockwise: 0:55:80 (sport pack, same car)