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Can I Use Aviation Fuel in My Chainsaw

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  • #2

can i run 100LL (low lead) aviation fuel in my chainsaw without bug? The stihl dealer here sells vp racing fuel for x dollars a gallon he said information technology is 94 octane i can become the aviation fuel for six a gallon. i am thinking both accept to be ameliorate than the ethenol mixed fuel from the gas station cheers

SHouldn't be whatever problem at all, just make sure you retune information technology subsequently the switch.

  • #5

Avgas

I ran Avgas for about a year in my equipment. Information technology ran OK.....merely non any better. It does have a long shelf life and when it evaporates information technology leaves nil behind to gum anything up - but it runs too rich unless yous retune the carb. I finally stopped running information technology as the trip to get Avgas is about i.5 hours round trip.

Almost recently I checked this site: Ethanol-costless gas stations in the U.S. and Canada

I found a station nearby in Indiana that sells ninety octane gasoline without ethanol. Several of the places listed on the site no longer have ethanol costless fuel - so y'all find one near you listed yous volition have to test the fuel to be sure.

Earlier I put my equipment abroad for an extended period I dump the fuel and then beginning it and permit information technology idle until it stops. Then I put some Avgas 100LL mixed with the oil of my choice in the tank and restart the engine - and then I cease the engine, dump the fuel in the tank back into my Avgas fuel tin, and then allow the engine idle again until it stops.

If you run Avgas - exist sure to marking the cans so that no one accidently gives it to someone whose auto has run out of gas. The lead will foul the catalytic converter.

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  • #6

If you run Avgas - be sure to mark the cans so that no one accidently gives it to someone whose automobile has run out of gas. The atomic number 82 volition foul the catalytic converter.

Information technology isn't the convertor so much, simply the O2 sensors. This volition cause your cars' comp to recollect information technology is running super lean and then you'll find out only how much your engine can chugalug gas. Recollect a 30mpg car going to 10mpg, for real.

If yous have admission to both race-gas and AVgas, simply buy a gallon of each and mix it the fashion you lot'd ordinarily do for your saw. Yes you lot have to touch on up the carb but hell, everybody does that in that in the morning anyways. Observe that large gnarly oak or cypress and cut some up with each fuel and see which one you lot thinks runs the best.

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  • #7

100LL is all I have used in my ii-strokes since the nerds in the Gooberment forced E10 or MBTE fuels on us.

Some saws run richer and need carb reset, some run merely fine as they did with pre-E10 premium.

cujet

ArboristSite Lurker

  • #8

100LL is an first-class fuel. It's consistent from batch to batch. And then, once tuned, yous are good to become.

Hither is something that may not matter to saw users. When GP 2 stroke bikes switched to unleaded, the crankshaft bearings (in item the con rod large stop) life was less than one-half. Failures became the "norm". It was somewhen traced back to the lack of lead in the fuel.

Since then, a few people have tracked two stroke engine life on leaded fuels and certain enough, they practise last longer.

  • #nine

The higher the octane rating the more than resistant it is to detonation/pre-ignition. College octane burns slower. It is said that it will actually brand your saw slower. This may well be the case, merely the longer shelf life, resistance to detonation, and complete absence of ethenol makes it the fuel of pick for my saws. (110 leaded Sunoco) I do some milling with my bigger saws, and the piece of mind is worth the 2 or 3 bucks actress per gallon.

Ethenol is an oxegenated fuel, pregnant it introduces more O2 which tin can make a saw run lean, lean is faster to a point, and then you cantankerous that line and it will melt downwards your saw. The old racers had a proverb "lean is mean, merely fat is where it'due south at" N20 works under the same principle, more than O2, (lots more) kind of like forced consecration. Thus yous MUST add fuel (gas) to preclude leaning out to the indicate of destruction.

Adept fresh pump gas, proper tuning, and skillful maintenance will suffice for nearly saws, just if you really push them, such equally long rips through thick hardwoods. Why not buy a little insurance?

  • #ten

You cats that freak out over 10% ethanol make me LOL :laugh:

Also cats that run Av-gas, VP, and other stuff in a chainsaw make me LOL... :laugh:

89 to 92 octane (even with 10% ethanol) volition be just fine for your ***. But don't let it set up for months on stop in your equipment...

Meh... :msp_razz:

Gary

  • #eleven

Yous cats that freak out over 10% ethanol make me LOL :laugh:

Besides cats that run Av-gas, VP, and other stuff in a chainsaw make me LOL... :laugh:

89 to 92 octane (fifty-fifty with 10% ethanol) will exist just fine for your ***. But don't permit it set for months on end in your equipment...

Meh... :msp_razz:

Gary

Oh great wise i,

Yous have spoken, information technology must be the truth. What oil mixes the best with eth?

  • #12

I really concur with what y'all said genius... relax.

Gary

  • #13

You cats that freak out over 10% ethanol make me LOL :laugh:

Also cats that run Av-gas, VP, and other stuff in a chainsaw make me LOL... :laugh:

89 to 92 octane (even with 10% ethanol) volition be just fine for your ***. Only don't allow it set for months on end in your equipment...

Meh... :msp_razz:

Gary

Hey bud, if I run diesel fuel, what ratio should I mix it at? What brand of mix?

nmurph

nmurph

ArboristSite.com Sponsor

  • #fourteen

AV gas---no extra functioning----actually diminishes somewhat---89-93 octane is sufficient for everything except modded saw running compression over 200psi

Ethanol--- no problem, only don't let it sit for months. Purchase fuel in batches that will be used in less than ii months--ethanol or non. Use a fuel stabilizer or ii stroke mix with stabilizer added

  • #15

If runnin' diesel fuel you should mix with rendered bacon fatty @ 77.361:1

:laugh:

Gary

  • #eighteen

can i run 100LL (low pb) aviation fuel in my chainsaw without problems? The stihl dealer here sells vp racing fuel for 10 dollars a gallon he said it is 94 octane i tin get the aviation fuel for six a gallon. i am thinking both have to be better than the ethenol mixed fuel from the gas station thanks

From those two options, I would go with the VP94. As a affair of fact, thats what was recommended to me to run in my ported saws.
Yet, I usually simply run the Ethanol free 93.

cujet

ArboristSite Lurker

  • #nineteen

AV gas---no extra functioning----actually diminishes somewhat---89-93 octane is sufficient for everything except modded saw running pinch over 200psi

Ethanol--- no trouble, just don't let it sit for months. Buy fuel in batches that will be used in less than two months--ethanol or not. Use a fuel stabilizer or two stroke mix with stabilizer added

It's true, and I forgot to mention that 100LL "may" result is a slight power loss and sligtly lower acme RPM. Information technology's commonly thought to exist a fuel engineered for depression RPM engines. That may or may not exist true. Merely, the college octane does take a slower flame front. And, in a loftier RPM, 2 stroke, the exhaust port can hands be uncovered by the piston prior to the completion of combusion.

andersondayinexce1983.blogspot.com

Source: https://www.arboristsite.com/threads/aviation-gas-in-chainsaw-ok.175975/

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