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> 0% Ethanol, Questions
NARP74
post Jul 23 2023, 01:20 PM
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I recently found a station that is selling 0% Ethanol. It is a little more expensive. Any advantages or disadvantages to running a tank full once in a while?
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Superhawk996
post Jul 23 2023, 01:25 PM
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You’ll get a little better fuel economy since pure gasoline has higher energy density than ethanol mix.

It won’t benefit you much running an occasional tank. Far better to use it to fill up the tank before storage. That way you minimise moisture (ethanol binds with water molecules) in the tank while it’s being stored.

If you are running carbs you’ll have some nuance in tuning switching back and forth. Won’t be drastic but you’ll find that it’s running richer on pure gas without the ethanol acting as an oxidiser adding oxygen from the ethanol.
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rfinegan
post Jul 23 2023, 03:02 PM
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hydrophobic vs hydroscopic mixing back and forth can leave you with water on the bottom and gas on the top...cant run on water....
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914Sixer
post Jul 23 2023, 04:35 PM
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Extra 50-75 miles per tank for my 2013 Silverado. Truck is back to running like a bat out of hell.
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Freezin 914
post Jul 23 2023, 04:50 PM
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I only run no ethanol 91 octane all the time.
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Aerostatwv
post Jul 23 2023, 04:58 PM
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I never thought about running it in my 2011 Suburban. I watch my mileage closely and have tried all of the different octanes, nothing increased the mileage. Since it wasn't rattling the valves, no use running premium or middle grade. Several stations have started offering ethanol free where I live so I will probably try a couple of tanks worth and review the results.

Thanks for the idea Mark!

Chris

QUOTE(914Sixer @ Jul 23 2023, 06:35 PM) *

Extra 50-75 miles per tank for my 2013 Silverado. Truck is back to running like a bat out of hell.
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Craigers17
post Jul 23 2023, 05:01 PM
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QUOTE(Freezin 914 @ Jul 23 2023, 04:50 PM) *

I only run no ethanol 91 octane all the time.



Same here....carb'd 914....I only run no ethanol .....I think it's 90 Octane at the station I get it from. Costs a little more, but worth it IMHO.
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mate914
post Jul 23 2023, 05:25 PM
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QUOTE(914Sixer @ Jul 23 2023, 06:35 PM) *

Extra 50-75 miles per tank for my 2013 Silverado. Truck is back to running like a bat out of hell.



Wow... That is a lot. Ethanol gas = engine killer.

Matt (IMG:style_emoticons/default/flag.gif)
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r_towle
post Jul 23 2023, 06:44 PM
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Ethanol is ruining my old cars fuel systems.
It’s a shame, we should stop doing it.
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73-914
post Jul 23 2023, 07:17 PM
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QUOTE(Freezin 914 @ Jul 23 2023, 06:50 PM) *

I only run no ethanol 91 octane all the time.

(IMG:style_emoticons/default/agree.gif) Me 2
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JmuRiz
post Jul 23 2023, 08:08 PM
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Jealous of you guys with E0 fuel available…no place anywhere close to me.
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mlindner
post Jul 24 2023, 05:32 AM
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We are lucky in the mid-west with Quik-Trip gas stations all have 0%. Great for the old car, boats, lawn mower.
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9146GUY
post Jul 24 2023, 08:36 AM
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Sheetz has it also. HQed in Penn.
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Root_Werks
post Jul 24 2023, 08:45 AM
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If you can get 0E gas, run it 100% of the time for reasons already stated.

Lucky in the PNW there are tons of boats = lots of 0E pumps. Usually either 89 or 91 and yes, a bit more expensive than the Ethanol infused junk.
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NARP74
post Jul 24 2023, 08:56 AM
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Ours is 87 but at this altitude it is OK. Murphy Express carries it all over the state. You could try HEET as a water remover product if needed.
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Garland
post Jul 24 2023, 09:02 AM
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QUOTE(Craigers17 @ Jul 23 2023, 05:01 PM) *

QUOTE(Freezin 914 @ Jul 23 2023, 04:50 PM) *

I only run no ethanol 91 octane all the time.



Same here....carb'd 914....I only run no ethanol .....I think it's 90 Octane at the station I get it from. Costs a little more, but worth it IMHO.


(IMG:style_emoticons/default/agree.gif)

I sleep better, knowing I’m not pumping, and storing water in my 914 fuel tank’s.
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NARP74
post Jul 24 2023, 09:04 AM
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Just found this site for checking where you are. Not optimized for mobile yet, but should work.
https://www.pure-gas.org/
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Al Meredith
post Jul 24 2023, 10:03 AM
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I'm sure the engine will not start on pure alcohol. Notice if an indy car stalls they spray gas in the intake to get it started . Running is OK
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NARP74
post Jul 24 2023, 04:28 PM
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Any cleaning effects on the fuel system of running E0 ?
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914Sixer
post Jul 24 2023, 04:53 PM
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That's the question for sure. It depends where you look.
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