Newps wrote:
230 is way too high on a regular basis for oil going to the cooler much
less returning to the engine from the cooler. The generally accepted
number is 180 degrees at the point where most of us are getting our
readings from.

My understanding was 180 in the sump with a 50 degree F increase in the
engine (hence the 230). Maybe I understand it wrong. Doesn't the engine
manual give the specifics?