I am not a fan of temperature elements sitting on top of radiators as my only means of engine monitoring for many reasons.  Much preferred is a temperature pick up on the cylinder head.  I also prefer to not have an instrument out on the end of the hood that I cannot see at night.  What I have installed is a temperature display that also has an adjustable audible alarm.  I installed it on a bracket that allows the display to be folded up under the dash when showing the car.  The display and sens