Originally Posted by THE BULL

The transmission has already a temperature sensor that can be read with Torque/OBD fusion without having to install anything.

In this aspect placement of the temp gauge will also affect readings.
I take the OEM one would read the highest of temps being that is placed internally in the valve body.

I ranged from 150-200 in the South FL summer with a small oil cooler depending on how much city driving I do.