Christian Fittipaldi raced with the team earlier this year for the season opener at Daytona International Speedway.
Ricky Taylor records fastest lap of the test.
The teams faced 150-degree track temperatures in the second day of testing at Indianapolis.
Team claims its first win of the 2012 season.
Auberlen also set fast lap for the GT cars in the event.
A lack of balance in the Camaro made for a hard day for Edwards and Liddell