Nissan's Ester Oil is not a synthetic. It is a conventional oil with an ester additive. That being said, nobody is 100% positive if that's what Nissan is actually using as the factory fill. They might be using their regular, non-ester, oil. But either way, it's a conventional oil they're using. My recommendation is to do your first oil change with Nissan's Ester oil at around 1200 miles, as it's still a dino oil. Then switch over to a synthetic (either a group IV with ester additives like Amsoil or a group V, which uses an ester base stock, like Redline) at, say, 5k miles.

WOW! Just read all these posts. Who knows this engine better than anyone on these threads and are QUALIFIED to specify the right oil to use? The Nissan engineers of course - full stop. Now, if you want to come on here and question their credentials/recommendations then you need to qualify yours - again, full stop. Follow their scheduled maintenance recommendations and your engine will last for years (automotive manufacturers don't want to replace engines under warranty any more than you want to go through the loss of use of your vehicle for same). If you choose to use Redline, Mobil 1, Amsoil, PepBoys special of the week or any other API certified oil in your engine, dino or synthetic, then guess what? Your engine will last for years (under normal driving conditions). Funny how that works isn't it? Don't try to out guess the SAE members. Would you trust your plumber in recommending treatment for your bowel pain? Hey, it's just a sewage system ain't it?

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Nissan created the oil for this engine. I for one am 100% positive that they use the oil they created for the engine as the factory fill.

Good for you then.

Exactly what I did :tiphat:

LOL....:tup:

Well stated, I totally agree.

Redline ester is cheaper than Nissan, and fully synthetic, only a dollar or two a quart more than other synthetics like M1...

so, I plan to go redline for my 2nd oil change forward. On the first oil change, I went with non-syn Nissan ester.

for $105 out the door they better be using their special oil.

Well I'm just sayin'.

We'll agree to disagree :shakes head: still waiting for someone to post a link to where they say they don't :tup:

I had my 1st oil change done by the dealership as I had a promo for only $30 (for the ester oil), now Im ready for the 2nd and will be using Mobil1 Syn at $6.50 a quart.

But you won't be getting those invisible things they put in the Nissan oil.

When somebody knows for sure what oil is in the Z from the factory LMK, ok. :ugh2: