The newly developed low-temp thermostat has a valve opening temperature of 68C (OEM 78C) and a fully open temperature of 81C (OEM 90C), which is about 10C lower than the standard OEM thermostat. Cooling water circulates quickly through the radiator, and cooling is started before the water temperature rises, thereby suppressing power down. ? Opening temperature: SPOON 68C (STD. 78C) - SPOON 81C ...
The Mishimoto racing thermostat for the 2015 STI will promote greater cooling efficiency throughout your engine. The Mishimoto racing thermostat will significantly lower high engine temperature produced by modified and upgraded turbo applications. ...