in hdv file:
FuelTime=(12.0,2.0,1.0,0.5,1.0) // Fuel fill rate (L/s), random delay, nozzle insertion time, nozzle removal time, concurrent fuel filling (0.0=separate, 1.0=concurrent); default=(12.0,2.0,1.0,0.5,1.0)
TireTime=(5.5,5.5,2.5,1.0) // Time to change two tires, time to change four tires, random delay on any tire, concurrent tire changes (0.0=separate, 1.0=concurrent); default=(5.5,5.5,2.0,1.0)