Quote:
Originally Posted by michaeld
Thus far, I have replaced the thermostat, upper/lower hoses, and the pressure cap. I still seemed to be running hotter than normal, but I have never gotten as hot as I did the first night (when I got to near 250F). Currently, in the heat - without the compressor on - I'm running a little over 180F; it will go up close to the 212F mark at idle at a stop light. This is in the day, in the 110F heat of Palm Springs. At long idle, she seems to go up to about 212F and stay there.
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I don't have specific exerience with that gasser, but, my opinion is that such temperatures are normal. The diesels, with the older radiators, will reach 212°F. at idle, after a freeway run, with ambient temperatures in the '90s. I'd be chasing an overheat for sure if I had to suffer 110°F. ambients.
I'll also suggest that the replacement of the thermostat, hoses, and pressure cap had no bearing on the results. I'm guessing that you previously had air in the top of the head and you were successful in removing same on the last cooling system repair.
I don't see any issue with running that engine at 212°F., indefinitely, provided that the system pressure holds and you are running proper coolant.