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Had two this week that was dug out of a basement and cooked as the fuel changed and settings not. The new oil resolved carbon buildup and poof.

Well I do this for a living and see it daily so I have seen quite a bit... Many saws I get in collection are cooked for this reason. I see them run different from different petrol stations, same stations different delivery's even. Making sure saw run right is hard on today's saws as it is very...

No, not necessarily, but there is a risk. I won't risk a wrecking, can't advise anyone to do it either... It is not very hard to clean them up and reset so why take risks? In my Experience of about 5-600 of conversions I say it is about 50/50 chance.

Yes, it is. I am not making my point clear enough I suppose.. These were brand new saws adapted for the fuel. IMO there is to be No shifting between fuels or mixes, it is big risks involved in used, unprepared saws with uneducated users. The education is pricey to learn in rebuilds and new...

The names and brands of oil is not important really, it is the content and property's of the oil. Not all oils get along.. Some clean house after the previous oil and saw go kaboom. Who is to blame? Old oil, new oil, seller, operator or crappy saw?

Pretty much what I talk about here as well, regardless of what is switched... Don't switch unless it is new stuff or prepared...

Yes, they will see that if you change from other fuels. But not if they have a new saw adapted for it with a oil that can mix with it. Saw must get 10% more fuel or so. They ran 5 adapted 346's here in a test for 8 months on it if I remember correct.

Is the fuel sold as Motomix in USA same as here a Alkylate fuel? It is pretty simple, if you make saws and want them to run in a certain area, they should run on the fuel used or supply fuel to use. If there is Ethanol in fuel or not is not really important if it works, right? So if fuel isn't...

Alkylate is not all sun and roses, but it is a better fuel and those using it have no fuel issues to speak of. No affects from running it. Hell I run it indoors at times.. We have several different brands here, Aspen has about 80% of market, mostly as it was a Husqvarna product, got fast out in...

No I am not comparing them as they are as different as Diesel and gas or vodka and wine. What exactly is it that your experience is telling Ethanol is bad? What if I told you that you can run E85 in a 346 if it has a carb that allow more fuel in air mix. Would that put a dent in your thoughts...

I don't know what it is you got over there in USA, but Stihl Motomix here is Alkylate fuel, same as Aspen. Costs about $3,50-4US / liter. Not same fuel type petrol/gas as we have in the pumps regardless of Ethanol. You can run your saw on Ethanol. You need to find a oil that mix with it, but...

Everyone is assuming that ethanol/alcohol is the culprit. It is not really correct as you can run saws on it pretty well. E-85 and higher has been tested here on saws. It has no power, environmental or economical gain really and very hard to get a oil that work well, but still it is not that...

They have a ability to adapt fast and "learn" so the fuel system it self is not the issue. These saws don't work here and I am on sea level or under mostly. I can go on quite a bit about this....

That we do for sure! On the subject of octane.. Ethanol is a octane booster... Pressure in chamber is not limited or very affected by atmospheric pressures. Lots of tests and study show that. It is created by compression and density of fuel air mix. Too high density and flame takes to long to...

Octane is just interesting if you have issues with pre detonation. If it is above 75 it is usually no problems. As we older fellas know anything "pre" is usually not good...