Houston, Texas (4 October 2013) – Justin Wilson and Dale Coyne Racing finished the first day of preparations for the Shell and Pennzoil Grand Prix of Houston IndyCar Series doubleheader at the top of the timesheets, setting a fast time of 1:04.4237s (91.308mph) which was 0.4s clear of the field.
Weekend schedule: Friday's schedule was modified due to the need to install a temporary chicane at Turn 1 and IndyCar Series qualifying for Race 1 will now take place in two groups, starting at 11:45 am (ET) Saturday. Each group will receive 12 minutes of total track time. The groups were determined by random draw. Green Flag for Race 1 will start at 3.40pm (ET). Qualifying for Race 2 will take place in the same two-group format on Sunday morning (9:45 am (CT)) with the green flag for Race 2 scheduled for 1:40 PM (ET).