29/4-1/5 there was 7 cars on the racetrack in Infineon

#2 - Frank Kanayet (COL)

#4 - Frank Demore (USA)

#9 - Liu Zuo Peng (USA)

#25 - Carlo Brandon (USA)

#25 - Andy Gordon (USA)

#27 - Peter Mann (FRA)

#55 - Scott Tucker (USA)

#88 - Eric Shen (USA)