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talltale 03-31-2014 01:14 PM

Normal operating range engine temps
I just came across this in the Chrysler Academy's text on the VM 3.0 engine:

"...the coolant thermostat starts to open at 208 F and is fully open at 225 F. ..."

This motor definitely runs warmer than what I'm accustomed to.

fun2drive 03-31-2014 09:18 PM

Re: Normal operating range engine temps
Two reasons I can think of. Better emissions when running hotter and better efficiency for a diesel when running hotter. My only concern is that there is adequate cooling capacity when towing. Seeing the OZ guys posting some pretty high temps I wish Jeep would product an acceptable range of operating temperatures and not just the nominal ones...

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