2017 Nismo with factory oil/water cooler. With Outside air temp at 25C (77F), stop and go and some hard driving, I saw 110C (230F) on the oil temp gauge.
I would like to keep that around 190 if possible. But in my part of the world, spring and early summer are cool. This day was anomaly. I will see after a good summer driving and see if, with good airflow, an oil cooler in necessary. 19 row may be enough for me.
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