??? Octane ??? - 600RR.net
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post #1 of 26 (permalink) Old 12-30-2005, 04:36 PM Thread Starter
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Question ??? Octane ???

What Octane do you run in your bike? I run 91, but am courious what everyone else runs caus I am thinking that 87 would be ok.
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post #2 of 26 (permalink) Old 12-30-2005, 04:47 PM
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I run 93 and thats all I probably ever will. I just dont think that 40 cents is that big of deal unless I am fill up the truck which is a 60 dollar experience every time.

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post #3 of 26 (permalink) Old 12-30-2005, 05:12 PM
 
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I used to use 87 and didn't have any problems. I've switched to 91 just recently...for peace of mind, if nothing else. I believe the manual says minimum 87...correct me if i'm wrong anyone.
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post #4 of 26 (permalink) Old 12-30-2005, 05:49 PM
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pinoy your right.....it does state 87 octane.....
i use 91 octane since ive gotten her. nothing lower. ive heard that 87 will be fine....but i dont like taking chances.....so 91 octane for me.






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post #5 of 26 (permalink) Old 12-30-2005, 06:03 PM Thread Starter
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I read the manual and it does call for 87. I am thinking that I saw a sticker somewhere on my bike that said premium only but I can't remember where, maybe under my seat??? I can't go look right now. I don't think that I'll change from 91 (wich is our highest ocatane pump gas around here) but I would like to know what everyone else runs
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post #6 of 26 (permalink) Old 12-30-2005, 06:05 PM
 
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been covered quite a few times.. you can search for more threads..


For the record i've used 87 since day 1.. no problems, 2,500 miles
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post #7 of 26 (permalink) Old 12-30-2005, 06:18 PM
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Ha, the billionth thread on the topic. I use water - Evian or Ozarka, for piece of mind.
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post #8 of 26 (permalink) Old 12-30-2005, 06:49 PM Thread Starter
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Quote:
Originally Posted by Casino
Ha, the billionth thread on the topic. I use water - Evian or Ozarka, for piece of mind.
guess i'm just lazy and don't research before i start typing. Anyway I thought it was a good topic.
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post #9 of 26 (permalink) Old 12-30-2005, 07:04 PM
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I just use 89 or 87...
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post #10 of 26 (permalink) Old 12-30-2005, 11:56 PM
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I always go for the hi octane 91. i know i don't need to but hey she deserves the best...treat her right...she'll do the same.
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post #11 of 26 (permalink) Old 12-31-2005, 12:23 AM
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post #12 of 26 (permalink) Old 12-31-2005, 02:39 AM
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hey cv.....thanx for puttin up that octane thread. very interesting discussions.






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post #13 of 26 (permalink) Old 12-31-2005, 02:59 AM
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i put 87 in mine. no problems yet. i predict it will continue to work fine considering it was designed to run on regular.
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post #14 of 26 (permalink) Old 12-31-2005, 03:48 AM
 
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I normally run 91, but I used to mix 112 with 91 in my dirtbike (450 four stroke) and it made a huge difference in power under load (hill climbing). I recently tried it on my 600rr and noticed a difference, not huge but a little non the less. Not something to do on a daily basis considering c112 is about $30.00 fo a 5 gallon drum.
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post #15 of 26 (permalink) Old 12-31-2005, 10:24 AM Thread Starter
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Quote:
Originally Posted by cvlighthouse
some pretty strong opinions in this thread^
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post #16 of 26 (permalink) Old 12-31-2005, 10:40 AM
 
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87. I read the octane thread AND the manual before I bought the bike ;-) Almost 4k miles since September.
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post #17 of 26 (permalink) Old 12-31-2005, 11:39 AM
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Quote:
Originally Posted by ADRENALINEJUNKY
some pretty strong opinions in this thread^
And some painfully clear facts as well.

I think one of the biggest misunderstandings is that many high octane race fuels are also oxygenated or formulated with additives (not detergents) which can increase HP. The people that don't understand this often mistake the octane for the increase in power.

Last edited by tornado bait; 12-31-2005 at 11:48 AM.
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post #18 of 26 (permalink) Old 12-31-2005, 12:30 PM
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Quote:
Originally Posted by SLAPS808
hey cv.....thanx for puttin up that octane thread. very interesting discussions.
Not a problem. Everyone should read it before they post up their opinions on what fuel to use..
post #19 of 26 (permalink) Old 12-31-2005, 12:40 PM Thread Starter
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what is the compression ratio for a stock 600RR?
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post #20 of 26 (permalink) Old 12-31-2005, 12:48 PM Thread Starter
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12.0:1 is pretty high compression. I am not saying that you should run premium, but I think that I'll stick to 91 or higher.

Most cars that run on regular unleaded are around the 9's in compression.

As several people have noted, octane does not give you horsepower and it is not a more potent fuel. In short, octane is a rating that tells you how much the fuel can be compressed before it ignites. When your fuel ignites from compression rather than the spark from the spark plug than you get detonation which can damage your engine. 87 being able to handle the least amount of compression before ignition, while 89 90 91 and higher are able to handle more compression.

Last edited by ADRENALINEJUNKY; 12-31-2005 at 12:58 PM.
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post #21 of 26 (permalink) Old 12-31-2005, 04:00 PM
 
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Quote:
Originally Posted by ADRENALINEJUNKY
12.0:1 is pretty high compression. I am not saying that you should run premium, but I think that I'll stick to 91 or higher.

Most cars that run on regular unleaded are around the 9's in compression.

As several people have noted, octane does not give you horsepower and it is not a more potent fuel. In short, octane is a rating that tells you how much the fuel can be compressed before it ignites. When your fuel ignites from compression rather than the spark from the spark plug than you get detonation which can damage your engine. 87 being able to handle the least amount of compression before ignition, while 89 90 91 and higher are able to handle more compression.
So is it safe to say that due to the high compression ratio of a 600rr, a higher octane fuel would have a higher ability to resist pre ignition. Which would in turn reduce detonation and pinking, and make the engine work at maximum performance which *TADA* makes more power?? To say that a higher octane fuel would not produce more horsepower is incorrect. Octane is just like you said, a way to rate a fuel's ability to resist ignition. Nitromethane for example is a very low octane fuel, top fuel dragsters begin with a low static compression ratio, which is greatly increased later by forced induction. The low octane fuel (nitromethane) allows these engines to produce upwards of 6000 h.p. , yet they are fired on alcohol which produces much less hp. Without this low octane (more volitile) fuel these engines would not produce the power they do.
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post #22 of 26 (permalink) Old 01-10-2006, 08:48 PM
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Yeah, 12:1 compression is really high. 91 octane is a requirement for the Civic Si and it is 10.5:1. I have never experienced knocking before, and truthfully, most people who use octane that is too low will never know it. The reason is that the ECU will retard the timing to offset detonation. You lose power and fuel economy when this happens, but most people don't pay enough attention to ever realize it. Now I don't know if the 600rr has a knock sensor or the ability to retard the ignition upon detonation, but it seems that it would be harder to notice any knocking just because you have on a helmet and theres a lot of wind noise to contend with. Either way, I use 93 because I don't want to find out the hard way.

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post #23 of 26 (permalink) Old 01-15-2006, 12:34 PM
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out here all you get is 93octane unleaded unless you want to fill up with 82octane regular & it's waste of money to fill up with 95 or 97octane premium.


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post #24 of 26 (permalink) Old 01-15-2006, 01:03 PM Thread Starter
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Quote:
Originally Posted by OveRReV
out here all you get is 93octane unleaded unless you want to fill up with 82octane regular & it's waste of money to fill up with 95 or 97octane premium.
That stuff is way to expensive here, I complain about the price of 91 every time I fill up
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post #25 of 26 (permalink) Old 01-18-2006, 04:53 PM
 
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i use only 93 octane, you guys can't get 93? well if you run 87 octane your bike will start to have a pinging noise coming from engine. 91 or better your safe. if not your screwed.....the dealer will tell you before you take the bike "91 or better" (manual states 87 oct is ok) Bulls***
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post #26 of 26 (permalink) Old 01-18-2006, 05:00 PM
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ive ran 93, 91 and 89. never tired 87.
ill continue to piss my money away on 91 and higher tho.

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