Graham Rahal: Racing, His 918 Spyder and Car Collection - duPont REGISTRY (blog)
And, with some help from Isringhausen Imports , he recently added a Viper Green Porsche 918 Spyder to his collection. Read on to learn about why the 918 caught his eye, the other cars in his collection and what his next steps in the racing world might be. Source: blog.dupontregistry.com