of the race which ended on lap 168. Lap 166: Richard Petty took over the lead from Cale Yarborough before losing it back to Cale Yarborough on lap 231. Lap 198: Lennie Pond's transmission became problematic, making him the first DNF in the race not related to his vehicle's engine. Lap 208: Bobby Isaac's vehicle had some vibration issues, forcing him off the track. Lap 236: Richard Petty took over the lead from David Pearson before losing it to Cale Yarborough on lap 297. Lap 239: Dave Marcis blew his engine while racing, forcing him to retire from the race. Lap 251: Randy Bethea managed to acquire an engine failure in his only NASCAR Cup Series race. Lap 298: Richard Petty took over the lead from Cale Yarborough, making the decisive move that would get Petty the race win. Lap 306: Harry Gant managed to blow his engine, ending his day on the track. Lap 349: Dick Skillen managed to blow his engine, causing him to leave the race early. Lap 373: Darel Dieringer managed to blow his engine, forcing him to accept a 12th-place finish. Finish: Richard Petty was officially declared the winner of the event. Standings after the race References World 600 World 600 Dale Earnhardt NASCAR races at Charlotte Motor Speedway