95 Chevy Caprice 9C1-LT1 5.7L V8. [This thread was tagged with LT1 & $ee.]
Have not mentioned the AIRpump; utterly irrelevant to this discussion [nevermind disabled per the final OEM .bin].
The...

In the admittedly unlikely event that coolant somehow stops circulating through the system, the reported temp at the pump becomes less and less accurate/useful as the head temp gauge becomes moreso …...