Ned Jarrett had an issue with his engine, causing him to exit the race. Lap 50: Elmo Langley noticed that his brakes no longer worked, ending his day on the track. Lap 107: The rear end of Neil Castles' vehicle became a concern to NASCAR officials, forcing him to exit the race. Lap 109: Transmission issues took away Earl Brooks' chance of winning the race. Lap 126: David Pearson takes over the lead from Bob Welborn. Lap 169: Bob Welborn developed engine issues; forcing him to leave the race. Finish: David Pearson was officially declared the winner of the event. References Pennsylvania 200 Pennsylvania 300 NASCAR races at Lincoln Speedway (Pennsylvania)