Yes, I think engine oil temperature is something I would like to monitor.
I am fascinated by the reactions of this SC outlet temp gauge, as an example.
Interesting that the temperature increase is linear with the speed of the Blower even under vacuum conditions.
The air is obviously heating up going round the bypass.
The differential temperature at 1500 rpm is +70 F
As the revs climb to 3000 the delta T goes to +90 F
4500 ..... +110 F
6000.................I've hit the spray long before that happens........so far the gauge has not shown higher than 160 F with an IAT of 50 F.
With the spray on for a full throttle run, the temp never goes above a delta T of +30F