Thanks for the feedback. I have only owned this car for about 6 months. I have corrected several issues related to overheating, wrong belt size, tune up etc and of course it was hotter outside than it is now. I am already carrying with me a laser thermometer so I can check temps every time I stop. My radiator appears to be stock, and you cannot look in the radiator and see any tubing. I was hoping someone had a trick for determining fluid level or maybe someone had created an aftermarket attachment that screwed in the top and bottom of the radiator with a clear tube in between. I am going to install a thermostat and hopefully that will help me relax when I'm driving. Thanks again