One of my favorite oils is Castrol Syntec 5W-30 but I've found the amount I change oil it's a waste of money. I use Castrol 10W-30 GTX.
I found that Mobile 1 is too thin of a oil at our oil temps and will shear far too easily and if you run the car at high RPM's, you will loose oil with the Nissan VQ engines. Especially if you use the SRM all the time and downshift to slow down, instead of using the brakes.
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[B]2009 & 2017 370Z Touring Sport Autos SOLD
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