105 Celsius

Hit 91 F outside temp today. Oil was at 215 F, highway cruising at 80mph.

Might have to buckle down and get an oil cooler. Tracking won't be fun if this summer is going to be this hot.

what is the best oil to use in the 370z and what oil cooler is the best

I'm driving a 2012 Nismo and I've read several of these threads regarding oil temp issues. I've had the car for six months and I just started to monitor the temperature more carefully. While driving in el paso during the summer (90-100 degree weather) I fluctuate between 180-200 and I hit around 220 when I push the car. my question is whether Nissan has installed an oil cooler for the newer models. anyone know?

Yes there is an oil cooler on the 2012+ models.

I've seen 240 here in Phoenix in summer and driving hard. Noticed this happens when revs stay high.

Mine sits at 220 all year round and hits 230 while spirited driving

So what is a dangerous temperature to reach? and or sit at?

IMO, anything over 240F on the gauge you should be actively trying to reduce the temps (i.e. back off the throttle). That's about the hottest mine gets driving across Texas at highway speeds during the summer.

That's without any oil cooler. I can hit 260F easily with spirited driving, but I rarely do. I generally change the oil if I see the temps go above that on the gauge.

Depending upon outside temp, mine runs between 180 and 200.

Nice to know 220 is not uncommon.

You should add @ 20* to what your guage is reading because the temp is taken before it enters the engine....so 240 is actually 260 or better. As JAR said, change your oil more frequently if you are running at high temperatures and you may want to adjust the viscosity of your oil as well. I live AZ and I run 0-40 oil and my temps seldom exceed 220. Even running hard! Also get an oil cooler, cheep insurance!

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Summer city driving about 185-190, winter 160-180. First track day hit 245.

Temps with a 34 row cooler so I'm glad I went 34 for the track days. I'll make a block of plate for this winter since 160 is a bit cold.

Run a high grade full synthetic and you won't have to worry about protection so much but the car will still go into limp mode at a certain temp regardless (it doesn't know what oil your using or at what temp it breaks down so has to be on the safe side).

mine rarely gets over 200(oil temp) sees 225 once in awhile but soon passes