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Running temperature?

1K views 8 replies 5 participants last post by  DREDnot 
#1 ·
What's your normal running temp?
I have a 2.5 and my normal temp was 210 which from what I understand is normal. I just replaced the radiator, hoses and therm now it seems to run 20-30 degrees cooler. My go to mechanic says don't worry about it my hoses are building pressure, coolant is cycling and i have heat.

Any thoughts on this?
 
#3 ·
They ran a little hotter from the factory for emissions. Like CAD said though, if you have a cooler thermostat, it will run cooler. You don't want to run too much cooler than "stock", but 180-190 is still safe for the engine.
 
#7 ·
Completely disregard this advice.

Normal operating temperature IS 210.
Thats why it is straight up, and numbered on the gauge.
Fuel injected engine need to be above 180 just to get into closed loop operation. The antifreeze, and the system pressure raises the boiling point sufficiently to safely run at 210 where the engine operates at peak efficiency.
 
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