I replaced the existing thermostat with a high temperature type. acording to what the man at the CT DMV (Emissions Dept.), recommended!
As it turned out, the temperature reading on the analog temperature gauge read exactly the same as with the old thermostat, and I didn’t notice any difference what so ever, in the heat produced within the car’s interior.
While I’m certainly not qualified to evaluate the actual clean air benefits, if any; that may result from the DMV’s Emissions program; it’s very difficult not to believe that the DMV’s main objective is just to raise additional funding for their bureaucratic empire!
Bob W