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Gas!

2957 Views 7 Replies 7 Participants Last post by  Pejay66
what kind of gas are you using for your cube!? 87? 89? 91?
which one is best and which one should i be using?
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From the Manual...

FUEL RECOMMENDATION
Use unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock Index)
number (Research octane number 91).

Wouldn't this mean that in the US the mid grade fuel of 91 Octane would be what Nissan recommends?
Good question.

The numbers we see in America are usually the AKI rating... so 87 AKI would be labelled "87 octane".

Here is a decent intro to the subject, containing enough info to make your head spin: http://en.wikipedia.org/wiki/Octane_rating
I need to check the pump more closely next time, because I am sure I've seen research octane numbers, and not AKI.

I'll report back after I see the pump.
HRWatson68 said:
I need to check the pump more closely next time, because I am sure I've seen research octane numbers, and not AKI.

I'll report back after I see the pump.
The AKI is an average of the RON and MON, so yes, you probably saw the formula listed on the pumped (MON+RON/2).
(87)

Pejay66
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