grumble56 Posted September 18, 2021 Share Posted September 18, 2021 Just wondering what peoples thoughts are on the new E10 fuel. The main concern with cars is with rubber/plastic seals and diaphragms, are paramotors likely to be affected ? Super unleaded (E5) isnt that much more expensive so its tempting to switch. Quote Link to comment Share on other sites More sharing options...
chrsfrwll Posted September 19, 2021 Share Posted September 19, 2021 The current info from Vittorazi is that their engines are tuned for E5 95RON and use of higher ethanol/lower RON invalidates warranty. Guess the answer is use higher octane fuels with E5, if you want to keep your warranty, until Vittorazi change their tune. link to their website here Quote Link to comment Share on other sites More sharing options...
Ganbatte Posted September 19, 2021 Share Posted September 19, 2021 10 hours ago, chrsfrwll said: The current info from Vittorazi is that their engines are tuned for E5 95RON and use of higher ethanol/lower RON invalidates warranty... I've noticed that in the manual, and have gone out of my way to find pure gasoline, since nearly everything in the US is E10. OTOH, I've never heard of anyone being refused warranty for running pump gas. My speculation is the strongest effect anyone's likely to notice is the frequency at which they have to replace the carburetor diaphragm. (They get flabby faster when exposed to ethanol.) Maybe a few % less fuel consumption, since ethanol has less energy per weight than gas. Quote Link to comment Share on other sites More sharing options...
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