Originally Posted by 370Zsteve But the stock break-in oil is Ester Oil, unless you can provide documentation to the contrary I think this notion that Ester oil is the factory-fill
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02-14-2010, 11:10 AM | #271 (permalink) | ||
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More significant, however, is the TSB for VVEL noise for the G37. The G37 has the exact same engine, so one would expect it to come with Ester oil as factory-fill as well, right? After all, Nissan designed the oil for this engine. Yet, on the Infiniti side of the house, there's a TSB for the issue of valve noise ( ITB08-028a - Noise from bank 2 VVEL actuator). Guess what the TSB says the fix is? It's a two-parter: A software update, plus changing the oil over to Ester oil! Now, let's think about this. How would it make sense for part of the fix to be changing the oil over to Ester oil if it already came from the factory with the stuff in the engine? I mean c'mon, let's use a little common-sense deduction here. In spite of designing this oil for this engine, they're filling these engines up with the cheap stuff at the factory! I do realize that there's always a chance that they're doing something different for the 370Z vs. what they're doing for the G37. Like maybe they're using Ester oil as the factory-fill for the Z but holding out on the G for some bizarre reason. That's why I chose to characterize it as highly doubtful, vs. using the word "impossible." But I don't think it's slam-dunk obvious that they're using Ester oil for factory-fill either, as you seem to think it to be. I would be quite surprised -- pleasantly so -- if they're using the good stuff for the factory-fill. The TSB is attached below. You can also read more about this TSB at myg37.com ITB08-028a - Noise from bank 2 VVEL actuator (amended 9/3/08) - MyG37
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02-14-2010, 01:33 PM | #272 (permalink) |
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If Nissan doesn't ship 370s with ester oil in the engine, could the (equally difficult to prove and volatile to speculate) possibility exist that it isn't about cost at all, but instead that ester oil isn't good for break-in?
Why do we seem to go straight to "Nissan cheaped out" when the build and material quality of our cars is so high and doesn't indicate that mentality on the part of Nissan at all?
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02-14-2010, 02:14 PM | #273 (permalink) | |
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"There are no small accidents on this circuit." -- Ayrton Senna 316.8whp & 248 ft/lbs (Dyno Dynamics) | 319whp & 256 ft/lbs (DynoJet) (04/23/10) Stillen G3 CAI, CBE, Pulley / F.I. LTH / GTSpec Ladder Brace / Setrab Oil Cooler / UpRev-tuned by Forged Perf. Last edited by semtex; 02-14-2010 at 02:18 PM. |
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02-14-2010, 02:23 PM | #274 (permalink) | |
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Wasn't the ester oil introduced after the engine already launched? That's why it's a TSB. Unless I'm wrong on that? |
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02-14-2010, 02:36 PM | #275 (permalink) |
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I don't understand your first question. Specific example of what? As to your second question, I don't know when the ester oil was introduced. To be clear, it's entirely possible that they're using ester oil for factory-fill. I just don't think we have 100% conclusive evidence one way or the other yet is all. And if we have to guess, I personally would lean towards guessing that they're not. But maybe I'm just more cynical than the rest of you.
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02-14-2010, 03:23 PM | #276 (permalink) |
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Okay, been doing some more digging. It looks like Nissan released its ester oil in Sep. of '08. So yes, that does explain the TSB for the G37. Indeed, I also just noticed that the TSB only applies to '08 G37s. It doesn't apply to later model years, so maybe I'm completely wrong on this and they are using the stuff as factory-fill after all. It'd be great if they are. I wish there were a way to know for sure though. Actually, I know a certain someone who works for Nissan Corporate who might stand a chance of finding a definitive answer for us. I'll PM him and update this thread if and when I get a response.
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02-14-2010, 03:44 PM | #277 (permalink) | |
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02-14-2010, 05:08 PM | #278 (permalink) | |
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In any case, let's not get too far off topic. All I stated was that most companies will choose the route that yields the greatest profits, and often time that means using or doing what is minimally required. That's just common business practice, especially in the current economic climate of heavy cost-cutting. Trust me, I'm a business analyst at IBM and see it every day. If we provide a customer with more than what's minimally required, we can actually get reprimanded for it because by doing so, we're failing to maximize company profits. (I hate my employer, btw.)
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02-14-2010, 10:04 PM | #279 (permalink) |
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Penzoil makes one of the best oils out today. Penzoil Plat and Penzoil Ultra now. Blows M1 away in tests.
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02-14-2010, 10:59 PM | #281 (permalink) | |
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Makes sense from a consistency for diagnostics standpoint, more=so than from a requirement for use as the TSB may suggest to some. |
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02-14-2010, 11:02 PM | #282 (permalink) | |
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02-15-2010, 08:06 AM | #283 (permalink) |
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I suppose with that logic, you think corrosion is an asset too, right? After all, as various parts erode away, your car will weigh less.
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02-16-2010, 12:36 PM | #285 (permalink) | |
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IMO, Nissan would be crazy to develop an oil specifically for an engine and then not use it. And I wish someone, ANYONE from Nissan would put this tired old subject to rest. Their silence is deafening. Putting Mobil1 as factory fill in the GT-R doesn't clarify much, either. I actually sent a request to Nissan Corporate to clarify this in December. I never received a response.
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