Thread: Thermostat vs Moroso Washer

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Originally Posted by bubbiecars

I don't think you are a bad guy at all. I wanted an answer to my problem, and this sounds like the one I will go with. I was told by a so-called expert to put the 160 degree t-stat in. Should I change it to a 180?

No, you should change it to a 195. Get a meat thermometer (kitchen tools section of the local grocery store). Drop your thermostat into a pan of water, along with the probe of your meat thermometer. The thermostat must be totally covered with water. Turn up the heat and watch the temperature where the door begins to open on your thermostat. You must do your due diligence with every part you buy, that's why you want to know for sure where the thermostat opens. TAKE NOBODY'S WORD FOR ANYTHING.

Some fellows will drill a 1/8" hole out towards the edge of the thermostat to allow air to escape as you are going through the routine of filling the system with coolant.....not a bad idea in my opinion. Put a stainless steel spring in the bottom radiator hose to prevent it collapsing and cutting off cooling water to the motor. Yes, a good water pump can suck the bottom hose flat and make the motor run hot.