Andy Wallace "4-up" at Sears Point

Wallace hands over to Herbert

Kettler "toes" the line...

Bernd and Naveen ponder their graphs

Andy Wallace and Johnny Herbert

Herbert gives chase...

Herbert heading out

Herbert waits at Pit Out

Pit Lane Conference

Pit Stop practice

Rick Clifton checks the tire pressures

Champion Audi R8 show car

Wallace at the top of Three