Setting the engine up and breaking it in.Remember this engine is just being started after a rebuild so that's why it's smoking from the assembly lube and the rack will be setup to stop the hunting etc etc. Then the oil is changed and the engine painted. These engine's go into Euclid mining rock trucks,and they were in many other equipment/vehicles.The engine has rebuild heads,turbo's, blower, water pump,all internal parts and the air compressor All done in the great north of Canada