Valvoline 10w-30
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One of the best oils you put into a 300ZX is Mobile1 is 0w-30.
This is exactly what the Z needs the most. We need a thin oil that can sustain together without burning at high heats.
But if money is not an issue the best oil you can possible put in the 300ZX is either Greddy Oil 0w-50 or Eneos Oil 0w-50.
Just to make things easy on everyone. The lower the first number, the better. The higher the second number, the better. Always get low then high. Nissan suggest 10w-30 on these engines, but that really just isn't enough to protect and help the engine from being more efficient.
For more info or details email me at Dream300ZX@gmail.com
1990+ 300ZX
right by the oil pan, look for it, its not very hard.
AMSoil works great.
I use AMSoil, works awesome.
my 1990 300zx is idling rough what could cause this?
It depends on the climate in your area. But 10W30 will work just fine.
With filter: 3-5/8 quarts Without filter: 3-1/8 quarts Source: Nissan 300zx Service Manual
there is none
i have a 93 and use 5w-30. Should be the same.... i was also told that i depends on how you drive....
A Nissan 300ZX? No
Yes.
The "1990 Nissan 300ZX" was a very popular model in it's time. The "Card ID" website noted the carrying capacity of the "300ZX" was noted to be a hefty 1500 pounds.