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Joined: Nov 12, 2009 Posts: 62 Location: Charleston
Posted: Wed Mar 10, 2010 8:23 pm Post subject:
fasterspider wrote:
...I would never pay money for 87 octane fuel, it is noticably dirtier than 91 leaving deposits in my carbs that I don't get with 91...
Higher octane rating doesn't mean that the gas is cleaner. It has to do with the levels of octane in the gasoline. _________________ 1974 Honda CB550 http://www.youtube.com/watch?v=RlZoksL5K7s
1995 1200 HD Sportster... inherited NOT purchased
1964 Honda CL50
1999 Suzuki GS 1200
Joined: Feb 04, 2007 Posts: 2366 Location: Moving to Granada Hills 818
Posted: Wed Mar 10, 2010 11:56 pm Post subject:
Qingdao wrote:
fasterspider wrote:
...I would never pay money for 87 octane fuel, it is noticably dirtier than 91 leaving deposits in my carbs that I don't get with 91...
Higher octane rating doesn't mean that the gas is cleaner. It has to do with the levels of octane in the gasoline.
Lower octane fuel is dirtier than higher octane fuel, that is a fact.
That is why it costs less, it is shittier making it less efficient. _________________ Ray #1
71 CL350K3 Scrambler
79 CBX
10 VFR1200F
bakmanrayman [at] yahoo [dot] com fasterspider [at] gmail [dot] com
I REALLY HATE quoting Wiki, but I sold back all of my undergraduate org chem books.
Oh well, Gasoline isn't octane; its more of a mixture of lots of hydro carbons. "Pure" octane has a Mon or "octane rating" of 100. The impurities you might be thinking of in lower octane gas are lower mon rated hydrocarbons. Higher rated gas has more larger hydrocarbons.
Take a look, next time you are in the quicki mart, at the octane booster, its mostly Toluene.
Gas at the pump is just hydrogen and carbon. Unless there is water in there or ethonal (an O2 group stuck to good gas). Whether it comes in hexane or toluene its not dirty just ignites at different temperatures and pressures. _________________ 1974 Honda CB550 http://www.youtube.com/watch?v=RlZoksL5K7s
1995 1200 HD Sportster... inherited NOT purchased
1964 Honda CL50
1999 Suzuki GS 1200
Joined: Feb 15, 2009 Posts: 162 Location: Behind the Redwood Curtain
Posted: Tue Mar 16, 2010 8:00 pm Post subject:
The problem I have with 91 is that no one else uses it so it's old. I mean it. I live in a rainy climate but still. everytime I use 91, I get water with it.
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