necessity of having a nismo thermostat

[g6civcx]

Originally Posted by Bigsyke

Does the thermo even open durring winter when the heater is blowing?

The heater has nothing to do with coolant temp. There is nothing preventing you from blasting the heat when the engine is cold, and getting no heat.

Originally Posted by Bigsyke

Impossible, literally. The coolant isnt in the radiator long enough to be chilled unless you have a working thermo.

Do we understand the theory behind the cooling system and how the thermostat regulates coolant flow?