By raising the limit of the cooling system, it is possible to keep running the toughest races.
Allow more room in the cooling system, such as in traffic jams where the wind cannot hit the system.
At 1.6 kgf/cm2, the boiling point of water is approximately 130°C. Compared to a standard open valve pressure of 1.1 kgf/cm2, a boiling point increase of about 8°C prevents air biting in the engine and maintains the cooling system at higher temperatures.