Old Husqvarna and ethanol gasoline

[Mikeinkaty]

When ethanol gasoline first came out it pretty quickly turned my gas line to jello!  A new line fixed that problem.  But, that was like 20 (?) years ago.  Been running ethanol gasoline ever since. 

Last month I found a station in Oklahoma that has no-ethanol gasoline so I got some and tried it.  Man, what a difference!  My old Husky white-top 61 runs better and has more power!

I assume newer saws have been optimized for ethanol gasoline?  Is that correct?   Can they still run with straight gasoline (no ethanol)?

Mike

[DDW_OR]

everyone i have talked to that use 2 cycle engines prefer non-ethanol

[Al_Smith]

I'm not so certain it would make much difference in how it ran .It would however make a difference in how long the seals and carb parts would last.

I will add it takes 40 more percent by volume of ethanol to equate to straight gasoline or so I'm told .Then too you have adjustments on the carbs and perhaps a little turn here and there you might not be able to tell the difference .It is something to talk about though ,somewhat akin to the great oil discussion . ;D

[gspren]

   A friend/neighbor that does a lot of crabbing with a small boat and 9.9 HP 2 stroke outboard says a 6 gal can of non-ethanol lasts almost 2 hours longer than ethanol gas.

[Czech_Made]

You can look up pure gas stations in your area here:

http://www.pure-gas.org/

[Walt]

Ethanol mix gas will sour in a couple months, I have had carb problems time and time again from equipment setting gassed up with ethanol blends. I can't tell much of a difference in performance but we recently moved to an area where I buy ethanol free premium. No more stale gas in our stuff...Its ethanol free for me...
BTW, our local Stihl dealer has a list of gas stations that sell EFG...

[SawTroll]

I assume newer saws have been optimized for ethanol gasoline?  Is that correct?   Can they still run with straight gasoline (no ethanol)?

Mike

I don't think so - but newer fuel lines etc usually tolerate it better than older ones.

As far as I know, what works best in most modern chainsaws is alkylate fuel with high quality fully synthetic oil - and that is what they are optimized for, to the degree they are optimized at all.
I suspect the same stuff works best in older chainsaws as well, and with that oil you can just forget any 25:1 or 16:1 mix ratios.

An older saw that has been run with a high content of dino oil in the mix and/or a too rich carb setting needs to be cleaned before using alkylate fuel in it though. If not, flakes or lumps of carbon deposits may come loose and create trouble.

[Canadiana]

You can look up pure gas stations in your area here:

http://www.pure-gas.org/

Excellent post, this site could not be simpler. Thanks Czech_Made.