 His best finish in NASCAR came in the 1976 Daytona 500, finishing 12th, despite spinning out early in that race after running into fluid from another car.Walther appeared in an episode of "The Dukes of Hazzard", and an episode of "The Rockford Files", in 1979.Following the 1973 accident, Walther battled an addiction with pain killers that were used after the accident, notably dilaudid.