Thread: 370z requires premium fuel?
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Old 02-05-2009, 05:18 PM   #21 (permalink)
Robert_Nash
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Originally Posted by chubbs View Post
Here in England our 'normal' fuel is 95octane - Nissan recommend 'super unleaded', which is 97 or 98octane.

I run my 350z with 98octane (super unleaded) - and tests in at least one car magazine have shown that 98octane increases the horsepower slightly and/or it's more economical than 95octane. Also, the owners' manual for the 350z warns you that you should only use 95octane if you really have to - is this the same for the 370z?

Personally, I wouldn't use anything but super unleaded and I assume it's the same for the 370z.

In addition, I assume that the ECU will adjust itself to account for different fuel types, as I believe it does in the 350z.
Gasoline formulation varies a great deal between the U.S and the U.K. - it even varies here from season to season; region to region and perhaps even city to city.
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