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die oil thread! dyyeee!!!..haha
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Valvoline vs. NEO
We have 2 2009 370's in our family which we purchased from 2 different dealers. One dealers service department uses NEO exclusively in one 370 while the other uses a Valvoline oil in all their oil changes. The Z using NEO is much quieter at startup while the car running Valvoline ocassionally has a tapping noise at startup and on hard acceleration you ocassionally hear what sounds like ticking between 4-5K rpms. While this is not a controlled study I personally am convinced the NEO is better for the Z. On the next oil change I will convert the Valvoline car to NEO and see if this makes a difference.
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In theory, the Nissan oil has a higher affinity at the mollecular level to the DLC coated valve train -- in theory.
Supposedly, this is why Nissan recommends it and why it allegedly keeps the valve train running more smoothly. However, whether or not that holds true is not well established, nor is it known whether any other similar ester oil (or a non-ester based synthetic) would work just as well. I picked up the German 0-W30 -- looking forward to seeing how she runs with that. |
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