Randy Cunningham discovered that NASCAR Sprint Cup teams do everything not just mid-race tire changes, but everything in a hurry.Cunningham, owner and general manager of Silver State Barricade & Sign in Sparks, put his staff to work stripping the multiple graphics from a show car that accompanies NASCAR driver Bobby Labonte and getting a new graphics package in place.The challenge: The job needed to be done in one day.Todd Hahn, a spokesman for JTG Daughtery Racing, explains that the NASCAR team is supported by multiple sponsors that include consumer brands such as Clorox and Kingsford Charcoal.In late June, one of …