Austin Dillon will drive the #51 Phoenix Racing Chevy in the Sprint Cup race at Dover International Speedway next weekend. AJ Allmendinger was originally slated for the Dover race. Allmendinger, who starts fifth in Sundays Indianapolis 500, was enlisted by his IndyCar team owner Roger Penske to race at Belle Isle next weekend ( FoxSports ), Ryan Truex was scheduled to drive the #51 at Dover but broke his collarbone in April.
