Quote Originally Posted by MRJB1929 View Post
Your thermostat stuck open isn't the cause of the truck running hotter. Actually the inverse would be true. With the Thermostat stuck open, the truck would run cooler and/or never get up to proper operating temp.
You are correct . That statement above was not mine I just copied and pasted because it said I should run a 195 thermo. I thought I had a good working system since it took so long to warm up and found the reason.