Originally posted by DemonSVT:
Will not help.
The temperature is computer controlled; Irregardless of thermostat chosen.
By chosing a lower temp thermostat you only prolong engine warm up time (extended period of excessive wear) and amount of time it stays in closed loop mode (Limp mode)
If the temps are cold enough, your engine will Never reach proper operating temperature and stay in these 2 conditions the entire time you are driving it. (I.E. thermostat removal = stupid move)
If your 2.5 is running hot it's most likely another problem...
Mine runs below half way always. If it ever changed I'd probably R&R the waterpump.
We went through this before. A lower thermostat will help, unless you are living where ambient temp is very low year round. I have a 180 stat in my SVT, it helps when the weather get warm and when the engine is working hard. If you use a 180 stat, the ecu will not even knows if there is a different, so there is no richer fuel mix-ture or longer warm up crap. The ecu does not controls the engine temp, it controls the electric fan and fan speed when it sense the temp. is about 205 degree. So even if you have a lower stat, during idling, the temperature will still be 200-205 because the fan is off. To remedy this problem, modified the engine temp sensor to tell the ECU turn on the fan at 180. If your car takes longer to warm up, your engine is not putting out as much power as it should.
