Cooper (non-S) Gas type...
#2
Join Date: Jan 2012
Location: San Diego County, California
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There are several threads on it in this forum. :-)
google: www.northamericanmotoring.com 'gas octane' or something like that. Many opinions... but higher octane is never a bad thing...
google: www.northamericanmotoring.com 'gas octane' or something like that. Many opinions... but higher octane is never a bad thing...
#3
Just realize that if you put an 87 octane fuel, the ECU will compensate for this so you won't get knocking, but you're not getting something for nothing. Your performance level will be less and possibly mileage depending on temperature. By using anything less then 91 the computer will retarding timing to avoid detontation.
#4
Just realize that if you put an 87 octane fuel, the ECU will compensate for this so you won't get knocking, but you're not getting something for nothing. Your performance level will be less and possibly mileage depending on temperature. By using anything less then 91 the computer will retarding timing to avoid detontation.
#5
Another consideration is how log the ethanol-blend gas has been stored at the station. IMHO, a "top tier" brand gas stored at a high volume station will be less likely to have absorbed water than a lesser brand at a lower volume station. With non-ethanol gas being increasing harder to find, IMHO this becomes a growing concern.
My recommendation would be to buy 91 octane at a high-volume, top-tier brand gas station. I don't think you will gain that much (other than a lighter wallet) buying 93-octane.
YMMV,
My recommendation would be to buy 91 octane at a high-volume, top-tier brand gas station. I don't think you will gain that much (other than a lighter wallet) buying 93-octane.
YMMV,
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Alex@tirerack
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06-24-2008 04:14 PM