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Which octane is best? 87? 89? 91? Other?

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Old Jan 5, 2008 | 09:32 PM
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Originally Posted by ivo
When at the gas pump, does it really matter which octane I'm using? 87, 89, or 91 octane? I think 87 is recommended for our cars but I'm using 89. Once in a while 91 Just something i was pondering on....
Uh, what does the manual say? I would stick with that.
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Old Jan 17, 2008 | 03:06 PM
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Playing the Devil's Advocate ... Any comments for the gas mileage? Y get the same for all of them. But I've realized that CITGO gives my 2 or 3 miles/gallon more!

@(^.^)@
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Old Feb 11, 2008 | 03:24 AM
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Guys,may be in Europe we have another petroleum,but i use 98 octane fuel.
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Old Feb 11, 2008 | 07:13 AM
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Originally Posted by Yarrus
Guys,may be in Europe we have another petroleum,but i use 98 octane fuel.
Europe uses a different rating scale than the US does, so your 98 octane (RON) is about the equivalent of our 93 octane ( (R+M)/2 ).
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