Octane rating vs fuel consumption

[Bulletnjm]

I like 93 (US)

 

[Wilson]

Google search amigo

E-10 Alive: The corrosive damage ethanol gasoline does to your fuel pump | Equipment World | Construction Equipment, News and Information | Heavy Construction Equipment

See Ethanol Damage UP CLOSE! | The Blog at Jacks Small Engines

Gas with ethanol can make small engines fail

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∞, provided never an empty bottle.. or an empty bed.

Cool wonder what they looked like pre e-10?
All I know is I've used e-30 for over 10 years when my non flex fuel car craps out I'll look at the pump and see for my self what it looks like has 260k miles or so seeing your articles should be much longer befor the ethanol destroys it!

 

[Wilson]

Ethanol Facts: Engine Performance | RFA: Renewable Fuels Association

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Ethanol and Engines | RFA: Renewable Fuels Association

 

[Wilson]

that car is still going dammit I want to look at that pump

 

[Ditchplains1]

Jigks,
I agree with the above. I too see better mileage with the premium fuel. When my son puts gas in I can feel the truck is less peppy...(He almost always puts in regular).
15 to 17 mpg on premium; 14-15 mpg on regular....
Eddie

 

[PropDr]

I'm close to 65 years old, and every time I get in to my truck I'm determined to dive like my age suggests; but by the time the engine is warmed up I drive like I'm 18.
So, using my very consistent driving style , in none play driving mode:
87 = 11-12mpg; 91 = 13+mpg (no difference in play mode)