PRO-TEC Engine Flush Specifications. Pour Point < -20 °C. Physical State Liquid. Initial Boiling Point and Range 180 - 220 °C. Flash Point 65 °C. Kinematic Viscosity (at 100 °C) < 1.0 mm²/s. Consumption Capacity 375 ml treats up to 5 to 6 liters of engine oil.