Indeed, Rob Kauffman has come a long way from those first two junkyard Firebirds his parents once bought him for $70 total, figuring there were enough salvageable parts out of both vehicles to build one serviceable car. "I'm probably an example of, the only difference between men and boys is the price of the toys, at some level," said the co-owner of Michael Waltrip Racing. The vehicles displayed at the Charlotte Convention Center aren't owned by Kauffman, but they're on display because of his company, all of them bound together by a passion for fast cars the NASCAR team owner and entrepreneur has had for as long as he can remember. On this November weekend, the occasion is a collector car auction run by RK Motors, the restoration and sales company that Kauffman founded in 2006, and has appeared periodically on the hood of the*No. 55 car at MWR. More...