This year alone, the No. 91 Viper has finished in the top five in all three races it has entered. "We're going with the same commitment to do our best," said Johnson.

Hunter-Reay will join returning drivers Dominik Farnbacher and Marc Goossens in the No. 91 SRT Viper GTS-R. Hunter-Reay and Goossens have a winning history together and were co-drivers in the 2007 ...