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post #1 of 15 (permalink) Old 09-26-2010, 09:14 AM Thread Starter
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Corn in your gas?

I brought this up in the Lawnmower forum, so you guys from there, please bear with me; there may be some guys with chiansaws who haven't discussed this.

I talked with my dealer about gasoline and he told me basically, any 2-stroke engine and anything with a carbruator should NOT use ethanol formulated gasoline. It's fine in your modern fuel injected automobile, but your 2 stroke chainsaws and string trimmers and most lawnmower engines will be adversly affected in the long run. I used ethanol last year and I havn't noticed any problems, but I switched to straight unleaded this year. I figure the extra 1.00 I spend on 5 gallons of gas is worth the peace of mind.

Did I say that out loud?
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post #2 of 15 (permalink) Old 09-26-2010, 09:26 AM
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I think I have seen a slight difference, not sure because I try not to buy gas with corn in it. When I have had trouble, it seems to be in my Weedeaters, but they are junk anyways. Not going to buy Corn gas if I can help it.



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post #3 of 15 (permalink) Old 09-26-2010, 10:15 AM
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there is only one or two stations around here that have ethanol and i don't go to either and thankfully i never have problems with bad gas although gas never sits around that long i go through a bunch of gas in my mowers, tractors, and power equip something like 10 gallons a month.



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post #4 of 15 (permalink) Old 09-26-2010, 11:47 AM
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Around here,they all claim to have ; up to 10 percent ethanol. And over half of the equipment I get in, is usually due to a rotted fuel line or carburator related problems. Some have bin less than 16 months old.
I really need to get me one of those ethanol test kits.

From what I gathered is; ethanol has an adverse affect on the 2-stroke mix oil. Another words, it doesn't let it lubricate the bearings as intended. And it attacks the rubber/plastic in the fuel system.

Maybe someone else can elaborate on this, that has the facts?


As for now, I've had no problems with my personal saws, trimmers or mowers. But mine see regular use, I don't know if thats a factor or not. I run a synthetic mix and 93+ octane at 40:1, in all my 2-stroke equipment. Some call for more and some less, but I've never had a failure on this ratio/mix.
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post #5 of 15 (permalink) Old 09-27-2010, 12:55 AM
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I'm using the Sta-Bil blue marine formula. It is more concentrated than the red formula and they state that not only is it a fuel stabilizer but also an ethanol treatment. You can find it now in the small bottles for around 9 bucks at Wal-Mart. Treats 80 gallons!

1975 Whipper Clipper Edger B&S 2hp
1990 Toro 26624 Key Start Suzuki 5hp
2002 Cub Cadet Trimmer CC3000 25cc
2004 Chicago Electric Generator 91213 5.5hp
2009 Craftsman 37436 Key Start B&S 7hp
2009 Craftsman Trimmer 79117 33cc
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post #6 of 15 (permalink) Old 09-27-2010, 03:17 PM
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I run premium in my 2 strokes, GT's, & classic car/pickup. I do run E10 or E85 in Tahoe.
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post #7 of 15 (permalink) Old 09-27-2010, 06:03 PM
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welcome aboard esnb74



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post #8 of 15 (permalink) Old 10-03-2010, 09:51 PM
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just read through the manual for my new saw and it says that any gas containing corn is not approved for use in the saw glad i don't use the crap anyway



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post #9 of 15 (permalink) Old 11-10-2010, 11:45 PM
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I wonder if there is anybody working on fixing the 2 stroke to work with ethanol?
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post #10 of 15 (permalink) Old 11-11-2010, 05:15 PM
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not that i have seen, maybe something we all can look into
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