02-03-2010, 10:38 PM
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#11 (permalink)
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Base Member
Join Date: Jan 2010
Location: US
Posts: 121
Drives: 2009 Z 6M base.
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Quote:
Originally Posted by VCuomo
Please show me where Nissan has stated that "doing more frequent changes with their oil is better."
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That's my own rule, but let's not muddy the water. They have said, in terms of maintenance, that their oil spec is better. I mean, do you think they added a friction modifier to this oil for no reason?
Quote:
Originally Posted by VCuomo
Please show me where Nissan has ever said that "there's likely a difference". The only technical reason I've ever seen from Nissan regarding the use of their ester oil is that in some 370Z engines valvetrain noise may be reduced with use of the ester oil - and reduced valvetrain noise does not equate to longer engine life.
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In my world noise means wear - especially in valvetrains.
Quote:
Originally Posted by VCuomo
Again, if their ester oil is proven to extend engine life, they would have hard data to that effect. And since everyone (even non-Nissan owners) would be beating their doors down to purchase this miracle oil that signifcantly extends engine life, they would (1) make such a claim and (2) publish the objective evidence to back the claim up. They have done neither.
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This engine hasn't been out long enough to have a bunch of owners over 100k miles, has it? And reducing friction in their high stress valvetrain does not equate to extending life in all engines.
Quote:
Originally Posted by VCuomo
Or for people dumb enough to believe it will extend their engine life even though Nissan has made no such claims and there is no evidence to suggest that it does. Maybe not. Who knows?  |
It's in the maintenance section saying it's the recommended lubricant...you think it's there because it has no effect on maintenance of the engine?
Quote:
Originally Posted by VCuomo
It's true that the engineers don't care about marketing oil, but Nissan surely does (because they have the Ester oil product and make money off of it).
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I don't know that they're making much money on a $12 quart of oil that nobody's buying. The markup on their parts is way higher than that, percentage wise.
Quote:
Originally Posted by VCuomo
Anytime!  |
Wrd.  
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