Quote:
Originally Posted by SocalRunner15
The main difference is that it seems to run things 10 degrees cooler on average. Is that something good? It definitely helps give the system a headstart when climbing passes but that's primarily a function of your radiator/cooling system. My main concern is during the winter....the system is now running at say 165 170.....are we accelerating wear n tear because the engine isn't at the intended operating temps?
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I've had a different experience than you with that 170 degree thermostat. Like I stated above, the thermostat opens sooner, but then it's open, just like the OEM thermostat does at 180 degrees. For both thermostats, the engine will eventually get up to operating temp, which is around 188-194.
I've never ran as cool as you are with the 170 degree thermostat. What brand thermostat are you using? Maybe the one you're using opens up further and allows better flow. If it does that, then it would make sense that it allows additional cooling benefits.
Running too cool isn't optimal for engine lubrication and I know certain engine functions rely on input from the coolant temp sensor but I don't know if running 10 degrees cooler would affect any of those systems.
