FILE - In this July 15, 2011, file photo, driver Jimmie Johnson, left, talks with crew chief Chad Knaus during practice for the NASCAR Lenox Industrial Tools 300 auto race at New Hampshire Motor Speedway in Loudon, N.H. Knaus is only five years older than Johnson and the two grew up in the Cup Series together.
FILE - In this July 15, 2011, file photo, driver Jimmie Johnson, left, talks with crew chief Chad Knaus during practice for the NASCAR Lenox Industrial Tools 300 auto race at New Hampshire Motor Speedway in Loudon, N.H. Knaus is only five years older than Johnson and the two grew up in the Cup Series together. Mary Schwalm, File AP Photo
FILE - In this July 15, 2011, file photo, driver Jimmie Johnson, left, talks with crew chief Chad Knaus during practice for the NASCAR Lenox Industrial Tools 300 auto race at New Hampshire Motor Speedway in Loudon, N.H. Knaus is only five years older than Johnson and the two grew up in the Cup Series together. Mary Schwalm, File AP Photo