Hi,

Glad to see you got a thermal consensus, like I suggested in my earlier post and I will leave it that.
Shame you don’t own that thermal tool that you just paid for.

They are good for checking refrigerators, freezers and calibration of cooking ovens when using an iron skillet.
The list continues on but experimentation on some objects is required.
You will gain some understanding of things are physically with density versus liquids and gases.

I’m in a comfy armchair and it was very hard to see what you were seeing and all the members were having the same dilemma.
Like Art B. was with the voltage regulator by giving you a best guesses from his experience.
How full or empty is a gas tank really? 🤔
I suspect the orange reserve space is equivalent to about two gallons or up to fifty miles but do even trust that is the best advice due to **** Happens!

I was really having a problem with a new five year old radiator being plugged up so soon.
Your makeup water for coolant mixtures would have to be almost liquid rocks to do one in that quickly.

The suggestions brought forth in your thread are very helpful tips of how many ways things can be misleading while meant as good intentions to help.

Welcome to the Brickboard and to the wonders of civilization an inventions.
I love it that you kept us posted!

Phil