Authorities in North Carolina say former NASCAR driver Dick Trickle has died of an apparent self-inflicted gunshot wound. He was 71.The Lincoln County Sheriff’s Office said authorities received a call believed to be from Trickle on Thursday saying that “there would be a dead body and it would be his.” Authorities tried to call the number back, but no one answered.The sheriff said Trickle’s body was found near his pickup at Forest Lawn Cemetery in Boger City, N.C., about 40 miles northwest of Charlotte. Sheriff’s Lieutenant Tim Johnson said foul play is not suspected.Trickle was the Winston Cup series rookie of the year in 1989 but never won a Cup race. He won two Busch Series races.Truck drivers feudTruck Series driver Jennifer Jo Cobb said she feels “in danger” of racing Friday night at Charlotte Motor Speedway against another NASCAR driver who was arrested for stealing her team trailer this week.Cobb reported she had a trailer and its contents, valued at $279,000, taken from her shop Saturday.Fellow NASCAR driver Mike Harmon said he turned himself into the Cleveland County Sheriff’s Department after a warrant was issued for his arrest on charges of felony larceny. He posted $10,000 bond. Harmon said he’s innocent of all charges, claiming he was in Darlington, S.C., when the trailer was taken. He plans to race Friday.There’s some discrepancy over who owns the trailer — Cobb or David Novak, her business partner until last December. The trailer hasn’t been located.Rookie crashesRookie Conor Daly wrecked his car coming through the first turn during Thursday’s practice for the Indianapolis 500, the first crash of the month at the Indianapolis Motor Speedway.Daly came around the first turn, got a little high and spun into the outside wall. The No. 41 car skidded down the track and at one point flew on its side between Turns 1 and 2 before coming back down. Daly climbed out of the car and didn’t appear to be seriously injured.Rookie tops chartsRookie Carlos Munoz shot to the top of the speed chart in Indianapolis 500 practice with a lap at 225.163 mph, the fastest through the first six days of practice. The Andretti Autosport driver turned the fast lap in the final 10 minutes of practice. Defending series champion Ryan Hunter-Reay was second in 225.006.Honda returns to F1Japanese car manufacturer Honda is returning to Formula One in 2015 as an engine supplier to the automaker’s former partner McLaren.