Thread: New Car and Driver review of the 370z... oil temp fail!
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Old 09-09-2011, 11:01 PM   #215 (permalink)
Red__Zed
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Originally Posted by ImportConvert View Post
I'm still LOL'ing at you all. We got the Z06's up to about 270* thrashing 'em at Spring Mountain this week and it handled it just fine. 100* ambient temperature, hours on the track, the cars are run 12-14 thousand miles and then sold with a disclosure. They have NEVER had ONE SINGLE engine failure at Spring Mountain. They run 5-30 Mobil 1 just like what comes in the cars.

I HIGHLY doubt Nissan's engines are much more susceptible to breaking down at high temperature than GM's small-block V8 pushrod engines.

You all need to just get over it until you actually break something. I posted a thread a few weeks ago about it and this board was so butthurt about the concept that NOONE HAS EVER broken a 370Z engine because of oil temps that the thread was deleted as I don't see it anymore. Jesus. All most of you want to do is whine and that totally proved it. You are never going to listen to reason, logic, or look at the evidence. You just want to run your cockholsters about what you THINK is a problem. Just sell the car. Your whining even made it into Consumer Reports and now the 370Z has a nice big black circle for power-train reliability or cooling or some such, lol.

UNLESS you are hitting limp mode on the track and it is hampering your ability to enjoy the car, it is not ONE BIT of an issue except for what you are turning it into.

All that aside, does Nissan have an engine-oil life monitor? It won't steer you wrong if you stick with OEM oil and have a good air-filter that is PROPERLY sealed in the air-box (many oil-life monitors don't monitor contaminants, although I believe Mercedes does). If not, I would indeed suggest what others are saying with the UAO's and you might decide to change the oil earlier than otherwise if you do beat on it in the heat. That is just good common sense and PM for your tools.

Sorry for being a bit rough in this post, but this oil-temp thing, I have come to learn, is completely ridiculous unless it is holding you back on the track. Whining about 220* oil temps during daily driving? Really?

I mostly agree, but I think the oil temps definitely merit paying more attention to UOA's. I've seen a lot of guys that hit 240s in normal highway driving....which means I'd start to get concerned with spirited driving.

While it is true that modern oils are good up to higher temps, they still aren't intended to be run long term at high temps. Oil gets changed after a day at the track....more than 3000 miles on 240-260* oil may not be the best call-- which is why getting UOA's done regularly is really important on a car like the Z. My first one on the Ester oil showed that it was broken down after about 1200 miles (when I did my first change). I've run GC since, and it's been great...except one oil change where I ran Ester again....and again, broken down in under 2000 miles. So while most people are blowing certain concerns out of proportions, there is also an element of concern for how the oil is actually holding up. There's a lot of hand-waving and claims that "modern oil is fine to 300*"-- but it is more complex than that, and requires actually paying attention to the way the oil is holding up.

BTW, no oil life indicator on the 370z.
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