Calling all classic-car enthusiasts: For the first time, Barrett-Jackson has partnered with the Hot August Nights auto show in Reno to host a three-day auction, from August 8 to 10, of more than a hundred classic-car models at the Reno-Sparks Convention Center. The auction will also coincide with the downtown Reno Show-n-Shine competition, which will be judged by officials that were selected by Barrett-Jackson and Hot August Nights. A total of 45 winners will be chosen from the competi…