Originally Posted by Chadly329
What is the normal range for operation for ECT Temps?
I beleive the OEM thermostat begins to open at 195f, and is fully open at 218f. That being said, my ECT ranges from 190f to 225f. Depends on engine load, ambient temp, oil cooler efficiency, trans temp, AC on or off, which clutch fan you have,......lots of stuff.