|
My '02 runs great on the recommended 89 octane (USA pump octane rating) midgrade.
US pump octane = RON+MON/2
RON = Research Octane Number
MON = Motor Octane Number
Other countries tend to use one rating system or the other, we average both and use that number.
[ This message was edited by: Stiles on 2007-04-13 22:26 ]
__________________
"If we cannot be free, we can at least be cheap" - Frank Zappa
|
