 According to the New Jersey State Police official news release, evidence discovered in Kalitta's lane revealed that he had applied mechanical braking and maintained steering control of the vehicle throughout the "shutdown" portion of the racetrack.Postcrash examination of the vehicle further revealed the clutch system to be locked, maintaining engine power to the rear wheels.Witnesses and audio recordings reveal the vehicle's engine was firing throughout the shutdown portion of the racetrack, which further reinforced the fact that the vehicle's engine was still providing power for some time.