The #57 Stevenson Motorsports Pontiac GXP.R of Robin Liddell and Andrew Davis leads a pack of cars into a turn during the Rolex Series Mexico City 250. (Photo by Jeff Gross/Getty Images) hide

The #57 Stevenson Motorsports Pontiac GXP.R of Robin Liddell and Andrew Davis leads a pack of cars into a turn during the Rolex ... more