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Oh Crap, just put regular in my tank!

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Old Jul 21, 2005 | 04:00 AM
  #41  
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Are Octane number and RON the same figures?

Our regular petrol is 95RON, with our Super (Premium) is 97 or 98RON.
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Old Jul 21, 2005 | 06:37 AM
  #42  
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Originally Posted by dat s2k,Jul 19 2005, 08:07 PM
13 gallons.... thats what we have right... but why when im on empty i can only put about 10.5 gallons in? does the empty light come on with a reserve of 2 gallons?
I know it's OT but I've never seen it pump that much. Usually goes up to 9 gallons and some. Is there that much in reserve?
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Old Jul 21, 2005 | 07:27 AM
  #43  
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[QUOTE=Wisconsin S2k]No you are correct, it wasn't just cruising on the highway. I think I'm understanding your statement about that. I definitely agree about the heavier acceleration. The scored cylinder was caused by detonation though. There was no oil leak, or any other indication that something else caused the scored cylinder.

so yeah, freeway cruising conservative driving is far less likely to cause detonation, and I understand your point there.
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Old Jul 21, 2005 | 07:41 AM
  #44  
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[QUOTE=Wisconsin S2k,Jul 20 2005, 11:32 PM]No you are correct, it wasn't just cruising on the highway.
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Old Jul 21, 2005 | 08:02 AM
  #45  
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Originally Posted by baptistsan,Jul 21 2005, 04:00 AM
Are Octane number and RON the same figures?

Our regular petrol is 95RON, with our Super (Premium) is 97 or 98RON.
No they are not. Here in North America, when we are talking about octane ratings, we are talking about R+M/2 . They add the research and motor octane ratings and then divide the total by 2. Research octane is a higher number. I am not really sure how to convert from one to the other and I seem to recall that you really can't exactly.

Your owner's manual for your local market will give you the RON rating recommendation.
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Old Jul 21, 2005 | 08:06 AM
  #46  
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Originally Posted by hirev,Jul 20 2005, 01:08 PM
gas of all types is not always available when traveling, so over time i have used regular in all my cars that call for premium, yet to see any problems. i am not arguing with theory here or statistics, just experience.


i am yet to run regular in my honda, but if i need to i will not hesitate, i will just put in what i need to get to the next opportunity and then fill with premium. i think that approach is a practical real world one to go by.
That is pretty much what Honda recommends. I would add to that, drive conservatively, don't rev the wee out of it.
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Old Jul 21, 2005 | 08:15 AM
  #47  
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Owners manual here says 97ron or above, 95 in an emergency.

Just wondered how the figures compared to the US octane numbers.
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Old Jul 21, 2005 | 08:27 AM
  #48  
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That would mean that 97 RON equates to about 91 R+M/2. BTW, where are you living? England or Singapore? Or are you a Singaporean living in England?
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Old Jul 21, 2005 | 08:27 AM
  #49  
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If the person before you pumped 87 which is 90% of the time. Then the first gallon or two will be 87 in the hose. I try to find pumps that have been used last with 91 or higher.
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Old Jul 21, 2005 | 09:13 AM
  #50  
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Originally Posted by Squeezer,Jul 20 2005, 12:00 PM
I'm never planning to get rid of my S2k. I plan on keeping it forever, so having pity on a buyer for it used really holds no water. And with 78k miles of 87 on it and no problems, I hav eno worries that 87 is bad for it, if it was, something would of happened by now, especially since almost everytime I drive it I wind it up to 9k.

who are you to say if I deserve this car or not? just because you are a fellow s2k owner, that doesn't give you any right to say what I deserve or not.
So let's get this straight. You rev your car to 9,000 RPM on a regular basis, yet you won't put in 91 octane?

You do realize that when you go up to 9,000 RPM with 87 octane, you're basically robbing yourself of about 30 to 50 HP?

The ECU in this car freaks out with 87 octane. It'll run just fine, but it retards the timing so much that you might as well not even bother revving it over 5,000 RPM.
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