March 7 2015 Las Vegas Kobalt Tools 400 NASCAR Happy Hour Practice Notes Ryan Rantz NASCAR News, Practice Notes 2014 Las Vegas Kobalt Tools 400, Drivers going to backup cars, Jeff Gordon backup car, Las Vegas Kobalt Tools 400, Las Vegas NASCAR Practice NOtes, NASCAR, what happened in practice, Who had problems in practice, Who was good in practice Jeff Gordon – Will be going to a backup car. His car More