why does my bike get better range on 91 gas?

[Holmes]

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Is Shell V Power only 91 fuel? Any regular 87 that contains no ethanol?

That product you showed looks iffy...says "enzyme" on it and to remove ethanol enzymatically it's going to form something else which may not have any fuel value at all. I'll have a look.

ya buddy, vpower is only 91... I dont know about other gas stations

at shell I believe it goes
87 = 10% ethanol
89 = 5% ethanol
91 = no ethanol

 

[jc100]

Well that's pretty much balls then...I never used to care too much about the ethanol in my fuel but the more I think about it the more I don't like it. Maybe I can set up my own still and fractionate it off aha.

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