How do or can I check the operating temperature of my engine by using an external temperature gauge? I was thinking about using a digital thermometer, but I'm not sure were to place the metal temperature sensor on the engine. One spot I was considering is the thermostat housing next to were the small L shape coolant hose is connected, would this spot provide a good temperature reading?
Thanks,enjoy your drive, timreid

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timreid
1992 400E
euro lights
500E sway bars
210 16in wheels