Is E15 fuel worse than E10 for small engines? - Lawn Mower Forums : Lawnmower Reviews, Repair, Pricing and Discussion Forum
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post #1 of 14 (permalink) Old 10-10-2018, 06:34 PM Thread Starter
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Is E15 fuel worse than E10 for small engines?

I searched this forum for "E15" to see if this came up, but I did not find anything, so I wanted to put this out there, and see if there is real-world experience.
You may have seen that Trump said he wants to lift the summer months ban on E15 blend fuel.
I was wondering if anyone has come across this, like if you had to fix a no-start engine and the owner had used E15 fuel.
My guess is if it is left in the tank for a long time, it might cause carb problems even faster than normal E10 fuel does, but that is just a guess.
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post #2 of 14 (permalink) Old 10-10-2018, 07:10 PM
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the E number is the percentage of alcohol in the gas

regular ethanol gas is 10% which is called E10

E15 is 15% ethanol and only 85% real gas and is extremely toxic to most small engines

DO NOT USE E15 ETHANOL IN AN ENGINE IF YOU WANT IT TO LAST

if he ran it for a while on E15 odds are good the engine was ruined
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post #3 of 14 (permalink) Old 10-15-2018, 12:23 PM
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Tom: This will answer your questions....OPEI: PRICE is No Longer the Best Way to Select Gasoline

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post #4 of 14 (permalink) Old 10-15-2018, 12:31 PM
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Non-ethanol is available in some places and is preferred.
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post #5 of 14 (permalink) Old 10-16-2018, 06:38 PM Thread Starter
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Thanks for the feedback. I would not buy it for my power equipment, but I was thinking if a lot of people bought E15 during summer, because they could, and then let the leftover sit in the tank over the winter, there might be even more curbside freebie mowers in the springtime, for those of us who occasionally like to grab a decent looking one & repair it.
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post #6 of 14 (permalink) Old 10-23-2018, 09:41 PM
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I envy members that have a choice of percentages..or non ethanol...If Trump OK's the 15% blend...I don;t see where I will have any choice in NJ....Other than high octane Race fuel...ridiculous price.....I do recall some of the new replacement carbs I bought for my equips , were tagged, Warranty void " if used in more than 10% ethanol fuel..." Is the Federal Gov't going to buy me New carbs...?
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post #7 of 14 (permalink) Old 10-24-2018, 05:33 AM
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SOI, shhhh! Did you ever notice how the fuel supply chain is interrupted 2 days before every holiday? A pipe line here and a pump there goes down. Tony Soprano would be proud how supply can keep price exactly where it "should" be
It's the same as the story of salt shortages, at least around me. Every year the local news channel sends the smallest, thinnest, obviously cold, reporter out to verify how the storage area for road salt is not to the level it needs to be and the weather is looking like we'll need at least twice the amount of road salt we have. They then interview the guy that's supposed to keep the salt supply in order and he consistently says we don't have enough salt, just can't get enough and likely will parish without it.
In the spring they send the same tiny reporter (if she's still employed) out to view the lacking supply of loose asphalt to throw into the pot holes we made earlier in the low salt times.
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post #8 of 14 (permalink) Old 12-19-2018, 11:43 AM
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It is against federal law to use E-15 in Lawn Equipment
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post #9 of 14 (permalink) Old 12-19-2018, 06:01 PM
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Hi! Interesting statement. Please post a link showing where you got this information. Thanks, Bill

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post #10 of 14 (permalink) Old 12-19-2018, 06:25 PM
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That's not accurate. E15 is at pumps for cars that can use it, but the "illegal" part is over stated. There are cars that can use it. They were designed to do so. Farmers won't speak much about it They get a bunch of money to sell it, and stay quiet about it. (Money makes the world go 'round). Battery is the new fuel, it's coming folks.
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