Due to the engine and gearbox are locked into an integration, engine is fixed with 3-5 fixing points surround the engine gearbox. Utilize shock reduction of the rubber material's characteristic to support and fasten engine in order to reduce the car's shock and isolate the conducting of heat source. Engine mounts of the hydraulic pressure type has already been used in the car widespread. It utilizes the princle of liquid that is incompressible by filling the silicon oil into the upper and lower, or left and right, chambers divided by throttle.