 Culbreth, Ted Barrett and Jim Joyce were promoted to crew chief positions prior to the 2013 season, after former crew chiefs Ed Rapuano, Tim Tschida and Derryl Cousins retired.At the age of 49, Culbreth became the second-youngest active crew chief, with only Barrett younger at the age of 47.Culbreth's 2013 crew consists of Brian O'Nora, Bill Welke and Adrian Johnson.