Or how about another approach entirely.   An additional temp sensor, tapped in at a reasonable place and entirely seperate from the aircrafts electrical system.
Tom
John Slade <sladerj@bellsouth.net> wrote:

Steve,
If you want to test the sensor in place, how about running the engine with
the pressure cap off till it boils. Wouldn't that give you 212F (briefly)?
John (W&B much improved. Engine in trunk of car)


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