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      04-28-2014, 12:26 AM   #1
dokdoKP
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98 Octane Gas??

I work on an Army base in Korea and the on-post gas station claims to sell 98 Octane gas (R+M/2). I know there is a lot of debate regarding 98 RON overseas, etc. Can anyone validate this?

If it is true to be 98 octane, does this really make a difference? I do not have any performance mods on my car.

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      04-28-2014, 12:28 PM   #2
hsk1610
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Quote:
Originally Posted by dokdoKP View Post
I work on an Army base in Korea and the on-post gas station claims to sell 98 Octane gas (R+M/2). I know there is a lot of debate regarding 98 RON overseas, etc. Can anyone validate this?

If it is true to be 98 octane, does this really make a difference? I do not have any performance mods on my car.

Hey, I lived in Yongsan and filled up at the AAFES station there. The 98 rating is equivalent to the US 93 last time I checked back in 2004. I was curious back then about the 98 Octane when my VW Passat called for premium fuel. It's not really 98, in the sense that we think in the U.S., as I recall.


http://www.refiningonline.com/engelh...ep/TCR4_29.htm

Last edited by hsk1610; 04-28-2014 at 12:54 PM..
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      05-10-2014, 06:34 AM   #3
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I thought AAFES gas was sourced from the states.
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      05-10-2014, 08:03 AM   #4
dokdoKP
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Not overseas.. AAFES gas in Korea is delivered by local companies. You can see them pump the gas from local companies' tankers on delivery days.
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      05-10-2014, 08:26 AM   #5
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Originally Posted by dokdoKP View Post
Not overseas.. AAFES gas in Korea is delivered by local companies. You can see them pump the gas from local companies' tankers on delivery days.
Unless they switched suppliers, I thought it was fuels by SK, a Korean conglomerate.
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      05-10-2014, 06:21 PM   #6
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I'm stationed in Korea as well. I was told AAFES gas is sourced from the US and delivered by Korean companies under contract. If what you're saying is true, then I'm pissed. That means I have to drive from Casey to Yongsan to get gas since we only have "92" octane here.
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      05-10-2014, 10:57 PM   #7
hsk1610
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Quote:
Originally Posted by Broadsword View Post
I'm stationed in Korea as well. I was told AAFES gas is sourced from the US and delivered by Korean companies under contract. If what you're saying is true, then I'm pissed. That means I have to drive from Casey to Yongsan to get gas since we only have "92" octane here.
Then you have been putting the regular 87 equivalent in your Bimmer all this time at Camp Casey. I know back in 2004-06 not many stations carried the premium 98 octane in the local market but with more foreign cars being sold and requiring higher octane fuels, it's more common place now.
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      05-10-2014, 11:05 PM   #8
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Just filled at the Yongsan Gas Station. I asked the attendant about the gas and it is indeed Korean gas. I am curious about how they calculate octane here in Korea. I was a dependent here back in the early 2000s and Korea did not have octane labeled gas; only in the past three years I believe did they offer "premium" gas off post.
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      05-11-2014, 12:00 AM   #9
hsk1610
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Quote:
Originally Posted by Broadsword View Post
Just filled at the Yongsan Gas Station. I asked the attendant about the gas and it is indeed Korean gas. I am curious about how they calculate octane here in Korea. I was a dependent here back in the early 2000s and Korea did not have octane labeled gas; only in the past three years I believe did they offer "premium" gas off post.
You are correct. When I travelled, I filled it with regular at local gas stations. In Seoul, I always filled it up at the Yongsan station so filled it with the 98 octane. Look at the link at my first reply in this thread. Octane is calculated with the British system.
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      05-11-2014, 08:26 AM   #10
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98 octane is the best available in Asia and Europe next is 95 Octane and at the bottom are 91 Octane and 91 octane with 10% ethanol. BMW recommends 91 octane with 10% ethanol and up. You are just fine.

I did notice when I use 98 octane petrol last longer (more mileage) than fuel with ethanol or lower octane.
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