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Old 11-21-2012, 01:07 PM   #1 (permalink)
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Default Good info about fuel octane ratings USA vs UK

UK uses (RON) Road Octane Number which is a higher number we (USA) use Anti-Knock Index (AKI).
"In most countries (including all of Europe and Australia) the "headline" octane that would be shown on the pump is the RON, but in the United States, Canada and some other countries the headline number is the average of the RON and the MON, sometimes called the Anti-Knock IndexAKI), Road Octane Number (RdON), Pump Octane Number (PON), or (R+M)/2. Because of the 8 to 10 point difference noted above, this means that the octane in the United States will be about 4 to 5 points lower than the same fuel elsewhere: 87 octane fuel, the "regular" gasoline in the US and Canada, would be 91-92 in Europe.

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Old 11-22-2012, 03:22 PM   #2 (permalink)
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some petrol stations in the uk have 102 octane mostly bp stations if you google bp102 there some good reading
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Old 11-22-2012, 03:46 PM   #3 (permalink)
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Quote:
Originally Posted by pekespeed View Post
UK uses (RON) Road Octane Number which is a higher number we (USA) use Anti-Knock Index (AKI).
"In most countries (including all of Europe and Australia) the "headline" octane that would be shown on the pump is the RON, but in the United States, Canada and some other countries the headline number is the average of the RON and the MON, sometimes called the Anti-Knock IndexAKI), Road Octane Number (RdON), Pump Octane Number (PON), or (R+M)/2. Because of the 8 to 10 point difference noted above, this means that the octane in the United States will be about 4 to 5 points lower than the same fuel elsewhere: 87 octane fuel, the "regular" gasoline in the US and Canada, would be 91-92 in Europe.
true, the lowest we have here is 95 octane. Good enough for the RR
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Old 11-22-2012, 08:44 PM   #4 (permalink)
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I read some here in the U.S. use regular 87 in their RR's and say the bike loves it. I may try it.

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Old 11-24-2012, 08:31 PM   #5 (permalink)
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Quote:
Originally Posted by pekespeed View Post
UK uses (RON) Road Octane Number which is a higher number we (USA) use Anti-Knock Index (AKI).
"In most countries (including all of Europe and Australia) the "headline" octane that would be shown on the pump is the RON, but in the United States, Canada and some other countries the headline number is the average of the RON and the MON, sometimes called the Anti-Knock IndexAKI), Road Octane Number (RdON), Pump Octane Number (PON), or (R+M)/2. Because of the 8 to 10 point difference noted above, this means that the octane in the United States will be about 4 to 5 points lower than the same fuel elsewhere: 87 octane fuel, the "regular" gasoline in the US and Canada, would be 91-92 in Europe.
We get premium at 93 octane here in Florida (U.S.)...that's what I run.
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Old 11-24-2012, 10:49 PM   #6 (permalink)
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Quote:
Originally Posted by SwaggerJacker View Post
I read some here in the U.S. use regular 87 in their RR's and say the bike loves it. I may try it.

Steve
Quote:
Originally Posted by usrodeo4 View Post
We get premium at 93 octane here in Florida (U.S.)...that's what I run.
There are several threads on this forum that explain why using anything more than 89 is a waste of money.
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Old 11-25-2012, 02:35 AM   #7 (permalink)
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Quote:
Originally Posted by Rush66crp View Post
There are several threads on this forum that explain why using anything more than 89 is a waste of money.
Sorry, I meant 89.

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Old 11-25-2012, 03:05 AM   #8 (permalink)
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Here in Australia our regular is 92, premium is 95 and ultimate is 98(as BP calls it). The dealer told me to use premium at a minimum, most of our performance cars also say premium as a minimum. From 92 to 98 it's about 15 cents per litre difference, suppose to get better economy using the higher octane fuel. We also have 10% ethanol in some of the regular fuel and some stations carry 85% ethanol, I've never used it but you can get your car tuned to it and increase the performance using the 85% stuff, you tend to use more of the fuel with ethanol in it.


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Old 11-30-2012, 05:32 AM   #9 (permalink)
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I only use 98 or above in the bike and car here in the uk
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