Reply With QuoteI think peoples butt dynos need to be re-calibrated.
Big, Big Time Poster
Sunoco has one good thing going for it though, they do not buy Arab oil, all of their holdings come from S.A.
1990 535i
117,000mi
Feederick, MD
If it has **** or tires, you are going to have problems.
Big Time Poster
I think peoples butt dynos need to be re-calibrated.
It always amazes me that you guys in the US get such weak petrol all the time!
Ok, we over here in the UK pay through the nose for it compared to you guys, but to us, 95 Octane is weak, and we can regularly get our hands on 97 or 98 Octane fuel... Just as well really, as my Ducati 748SP motorbike isn't happy unless it's running on at least 97, as it's such a high compression engine and the ECU is only mapped for 97 or higher!
In France they sell 99 Octane fuel at various petrol stations!
1995 E34 520i SE Touring, in Calypso Red, Manual Box.
5-10 Grand Master
Actually you're the one with weak gas. Your system uses RON, while we use OCTANE. Your 95 RON is our 87 OCTANE. And much like your 98 RON is our 93 OCTANE. We have 94 octane which i am not sure you guys even get, and more over, we have 100, 103, 104 octane racing fuels, C16, etc... Our 87 is not low, its the same as your 95. Europe decided they wanted to make people think they were getting something special for their $8/literOriginally Posted by RiggsyB
3 Grand Master
Damn it JonK, you beat me to the punchActually you're the one with weak gas. Your system uses RON, while we use OCTANE. Your 95 RON is our 87 OCTANE. And much like your 98 RON is our 93 OCTANE. We have 94 octane which i am not sure you guys even get, and more over, we have 100, 103, 104 octane racing fuels, C16, etc... Our 87 is not low, its the same as your 95. Europe decided they wanted to make people think they were getting something special for their $8/liter
Major Contributor
The gas is the same, the numbers are derived from different methods of measurement.
Gasoline pumps typically post octane numbers as an average of two different values. You may see the octane rating quoted as (R+M)/2.
One value is the research octane number (RON), which is determined with a test engine running at a low speed of 600 rpm. The other value is the motor octane number (MON), which is determined with a test engine running at a higher speed of 900 rpm. If, for example, a gasoline has an RON of 98 and a MON of 90, then the posted octane number would be the average of the two values or 94.
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