Chris, you always seem to have the best info to add to a topic
I too was wondering if running without a thermostat would cause problems. I just bought a Mr. Gasket chrome thermostat housing because I thought my original one was cracked, but when I went to install it I noticed it didn't have the counterbore (in machinist's terms) machined into it for the thermostat to sit in like the OEM housing did. So, for the time being I installed it without the thermostat in there. My car doesn't even begin to move the temp needle now. Am I hurting my engine? After thinking about this I realize how this may cause numerous problems like mentioned above, but the overheating problem is not an issue for my setup. Is this effecting my ECT sensor?
Thanks.
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