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2 cycle and ethanol gas #5369593 03/07/20 07:30 AM
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Technoid Offline OP
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Joined: Mar 2020
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If you use 10% ethanol gasoline with your 2 cycle oil mix be warned. Don't keep the mix for than 30 days. The ethanol will make the oil separate and poor lubrication will result during the atomize of the fuel. I buy No ethanol gas. Some gas stations like Fast track sell it. It's about 90 octane and won't hurt your small engine. Also Echo silver synthetic oil mix adds more life to your engine.

Re: 2 cycle and ethanol gas [Re: Technoid] #5369606 03/07/20 07:55 AM
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Blueskies123 Offline
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Hmmm. I do not believe this. Did you read this on the internets?

Re: 2 cycle and ethanol gas [Re: Technoid] #5369626 03/07/20 08:22 AM
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krismoriah72 Offline
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popcorn

Wherever you read that dont go back there.

Re: 2 cycle and ethanol gas [Re: Technoid] #5369631 03/07/20 08:25 AM
Joined: Dec 2011
Posts: 1,961
toneydoc Offline
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I do use non ethanol gas in my OPE
I try to eliminate gumming up the carbeurator


1994 Jeep 168k NextGen 10w30
2014 Camry 44k Castrol Magnatec 0w20
2018 Jeep Cherokee 8k Pennzoil Platinum 5w30
2014 HD Ultra 51k Mobil1 15w50
Re: 2 cycle and ethanol gas [Re: Technoid] #5369657 03/07/20 08:53 AM
Joined: Jul 2015
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Astro_Guy Offline
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There are two major problems with Ethanol, and that isn't one of them. The first problem is that Ethanol is corrosive to Aluminum, which your carburetor is made of. It doesn't have a good effect on plastic fuel lines either. The second problem is that it is hydrophilic, meaning that it attracts and mixes with water. A mix of water and Ethanol is heavier than gasoline, meaning it will settle to the bottom of your tank. A mix of water and Ethanol don't make a particularly good fuel. You can overcome these problems to a certain extent by treating your fuel with Sta-bil or something similar. Alternatively you can just use Ethanol free fuel. I don't use much 2-cycle fuel, so I find the premixed Tru-Fuel products to be convenient. Luckily 89 Octane E0 gas is available nearby, so I run that in all the 4-cycle lawn toys.


'01 Volvo V70XC, 251k, 5W-30 M1 EP
'16 Accord, 50k, 0W-20 M1 EP
Re: 2 cycle and ethanol gas [Re: Technoid] #5369677 03/07/20 09:10 AM
Joined: Jun 2003
Posts: 20,466
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Chris142 Offline
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Just shake your saw a few seconds before ypu use it if your worried about the gas and oil seperating.


02 Wrangler Napa high milage 10w40
87 F250 Valvoline 15w40
07 fjcruiser Car lube plus 10w30
Z400 castrol T 10w40
Can am Maveric edge 5w40
57 case tractor Chevron sae30
Re: 2 cycle and ethanol gas [Re: Technoid] #5369681 03/07/20 09:16 AM
Joined: Dec 2005
Posts: 13,836
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kschachn Offline
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Sometimes the motivation of new users is just mystifying to me. In this case you joined just to bring us this warning about EtOH and gasoline and the unusual post about charging systems? No welcome to anyone, just start posting somewhat weird posts which almost sound like a cut-and-paste from some website. Then after making the posts you apparently go offline.

As a technical response to EtOH and gasoline, I live in an EPA nonattainment area and all we've had here for the past 27 years is RFG. I have a lawn mower built in 1992, a garden tractor and weed trimmer from 2000 and four old cars. None have any of the problems you indicate and trust me, my fuel sits for much longer than 30 days (especially over the winter). So from that standpoint I think all of what you say is not really some technical discussion you wish to have but instead some odd motivation for joining and making posts. Either that or we are shortly going to see the discussion morph into a promotion for some gasoline additive.

Do you think this is the first user to post the things you've said?


1994 BMW 530i, 252K
1996 Honda Accord, 288K
1999 Toyota Sienna, 434K
2000 Toyota ECHO, 284K
Re: 2 cycle and ethanol gas [Re: Technoid] #5369710 03/07/20 09:48 AM
Joined: Feb 2013
Posts: 1,583
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spk2000 Offline
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Been using standard gas right at the pump for years and sometimes it sits for a year in the gas can or 2-stroke tank on tool it is used in. Never seen any issues with the gas causing problems. Once had a car sit fort 2 years then sold it. New owner fired it right up and drove it away.


96 Grand Marquis 203,000 mi
01 Sable LS Wagon 163,000 mi
02 Montero 191,000 mi
03 Sable LS Sedan 73,000 mi
Re: 2 cycle and ethanol gas [Re: Technoid] #5369721 03/07/20 10:01 AM
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bullwinkle Offline
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Originally Posted by Technoid
If you use 10% ethanol gasoline with your 2 cycle oil mix be warned. Don't keep the mix for than 30 days. The ethanol will make the oil separate and poor lubrication will result during the atomize of the fuel. I buy No ethanol gas. Some gas stations like Fast track sell it. It's about 90 octane and won't hurt your small engine. Also Echo silver synthetic oil mix adds more life to your engine.
Not quite correct-the issue is the ethanol will absorb water from the atmosphere and the result MAY be carburetor corrosion and an inabilty of the fuel to carry 2 stroke oil. That's the reason for Tru Fuel and others being such big sellers, fortunately I'm getting Casey's General Store locations in my (northern) area now that have a good price on E0 premium, just the ticket for my 2 stroke OPE. Or, you could go my old way of draining out & running them dry with a little Stabil mixed in, and dumping in a car to get rid of it, getting new every time (a pain). There's a few threads here about 2 stroke oil, too, the good & bad, good not necessarily full synthetic (Mystik Sea & Snow JASO FD oil for example).


06 Ram 3500 CTD 4X4(FG Venturi), 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2), 11 Express 3500 6.0 (various Baldwin for now)
Re: 2 cycle and ethanol gas [Re: Technoid] #5369781 03/07/20 11:14 AM
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Kestas Offline
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I mix my gas and oil and store it in a clear bottle. I don't see any separation even after months of storage.

Don't take advice from that site you visited.

Re: 2 cycle and ethanol gas [Re: Technoid] #5369791 03/07/20 11:30 AM
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Lubener Offline
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Originally Posted by Technoid
If you use 10% ethanol gasoline with your 2 cycle oil mix be warned. Don't keep the mix for than 30 days. The ethanol will make the oil separate and poor lubrication will result during the atomize of the fuel. I buy No ethanol gas. Some gas stations like Fast track sell it. It's about 90 octane and won't hurt your small engine. Also Echo silver synthetic oil mix adds more life to your engine.

With Stabil added, I have used my 2 cycle gas sometimes as much as a year later and had no problems.


The "thinking" man's friend.
Re: 2 cycle and ethanol gas [Re: Lubener] #5369806 03/07/20 11:46 AM
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4WD Offline
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Same ... I do keep some E0 around for the smaller engines and if it’s not used up by each Spring ... I’ll burn it in a larger motor and get some more ...
It’s also 92 octane

Re: 2 cycle and ethanol gas [Re: Technoid] #5369914 03/07/20 02:11 PM
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benjy Offline
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i buy + use E0 from a local station for ALL my carb'd power equipment as its likely better + costs little as that equipmet does NOT use a lot of fuel. many times engines run on lesser + older fuels but prolly NOT optimally!

Re: 2 cycle and ethanol gas [Re: Technoid] #5370042 03/07/20 05:31 PM
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Warlord Offline
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I think most newer equipment can handle the ethanol but vintage machines have real issues with it eating up fuel lines and materials inside the carb.


81 Ford 1100 - daily driver
07 GMC Canyon - 245000 km
08 Honda CRF230L - 5000 km
Re: 2 cycle and ethanol gas [Re: Technoid] #5371390 03/09/20 09:01 AM
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ARB1977 Offline
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I take 93 E10 mix with water. Drain the water out. That removes the ethanol. Makes roughly 90 octane E0. I’ll add Amsoil Saber at 80:1 or so. My Sthil has been on this for two years and loves it. Took the muffler off recently after doing it’s first tune up and the exhaust port was clean. I also run the E0 in my lawnmower and it loves it too.


2015 Tacoma 4.0L 60K (as of 02/23/18)
AMSOIL SS 0W30 / Toyota filter

2018 CRV 1.5L (as of 05/11/18)
Factory fill / Honda filter
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