Quote:
Originally Posted by binary0x01
200-220 is still hot for this car, you want 180-190... ideally.
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For modern synthetic oil, that's not really too hot. For dino oil, it would be pushing it. On that note, Nissan wouldn't wait until 260*F to go into limp mode if the oil viscosity was breaking down 40* earlier.
That said, you will see peak power at or below 200* F, and the ECU will start to pull a little timing over 205* F.
But... running too cold (say, 165* F), especially under high load, is generally worse than running a little hot, as far as maintaining proper lubrication.