It's hot! It's loud! It's awesome! Check out all that's happening at the Chevrolet Detroit Belle Isle Grand Prix Saturday!
Graham Rahal's car outside of his trailer.
Crews working on the cars of Scott Dixon and Tony Kanaan.
Crews working on Graham Rahal's car.
Crews moving Carlos Munoz's car.
View down the paddock looking toward downtown Detroit.
Tailwings of Penske Racing cars Will Power and Helio Castroneves.
Here's your Pirelli World Challenge Race 1 winner Johnny O'Connell driving for Cadillac.