Originally Posted by Modshack

280 is the point the ECU puts the car into Limp mode to protect the VVEL system. The chances of that happening on the street are extraordinarily slim. Oil temps drop as these cars break in. 220-240 are normal street temps without a cooler. You will drop approximately 25 degrees with a correctly sized cooler installed. If Nissan had not installed an oil temp gauge, no one would be obsessing about this..