ethanol caused chrome cylinder in stihl saw to disappear?

[RIP]

my friend was told his cylinder was scored on his stihl saw due to e10 gas? i've never heard of this problem.will star gas additive or ethanol additive help with this problem if its true or should he and I use a lead substitute?thanks

 

[Chainsaw Jim]

Yes the e10 can cause lean scoring. Not directly, but after the carb metering diaphragm stiffens up causing a lean running condition. It can also ruin crankcase seals which will have the same end result.

 

[alexcagle]

Startron?
I recommend to use premium. There is almost no ethanol in it by law anyway.

 

[hillbillypolack]

E10 eats just about anything if it's left sitting in a tank or vehicle as well.

Fuel pumps, seals, hoses, you name it. I sure wish they'd get rid of E10. Not much good to it for seasonal items & vehicles.

 

[smokey7]

Win not sure about the premium not having ethanol in it... All pumps for road fuel have it in it in Michigan.

 

[brandonstc6]

What about chrome loss but no scoring? Could that be caused by ethanol? Or just high hours?


Sent from my iPhone using Tapatalk

 

[sunfish]

Ethanol will not cause the chrome to disappear. lol

 

[brandonstc6]

Ethanol will not cause the chrome to disappear. lol

I thought it sounded kinda silly but I wanted to hear people's ideas


Sent from my iPhone using Tapatalk

 

[andrethegiant70]

Yea, silly, unless he just meant that bad gas made his saw melt down... even that's a bit presumptuous, since the operator should know better than to run gas that's THAT far gone. But I guess lots of people aren't familiar with the downside of ethanol gas.

 

[cus_deluxe]

Ethanol will not cause the chrome to disappear. lol

Best answer

 

[TBS]

How old is the saw? All we have hear is e10 fuel and yes there can be problems do to a number of reasons like improper containers, containers that aren't sealed, and where fuel is stored. Stiff diaphragms are one side effect along with hardened fuel lines do to chemical reactions. I've only experienced that once on a trimmer at work but that may have been more do to age.

 

[blsnelling]

E10, in an of itself, did not cause the problem. Stihl saws are now designed for and tuned with E10 from what I understand.

 

[Westboastfaller]

Best answer

I always heard it was from ingesting lots of Douglas Fir or concrete dust. I can see the bark dust but isn't concrete hard on the chain?

 

[GrassGuerilla]

Startron?
I recommend to use premium. There is almost no ethanol in it by law anyway.

Please elaborate. Around here EVERY grade from unleaded to premium has 10% ethanol at least.

 

[Westboastfaller]

Please elaborate. Around here EVERY grade from unleaded to premium has 10% ethanol at least.

move to Canada and buy Shell V Power.
It only cost you an arm a leg and a left nut

 

[alexcagle]

And here is some more insite on premium:

https://www.bellperformance.com/blog/bid/110140/does-premium-gas-have-ethanol-in-it

 

[7sleeper]

The main problem is the manufacturer, for not building a product that will easily stand up against the effects of E10 fuel. It has been known for almost two decades now that ethanol will be added to the fuel up to 10% and still the manufacturers leave the customer to solve their ignorance.

About all snake oils out there are nothing else than some type of ethanol/methanol mixture. So all the fools adding their magic potion are only adding more alcohol and everybody swears by the positive effect against alcohol in the fuel... You just have to love that buisness model!!!

7

 

[sunfish]

Please elaborate. Around here EVERY grade from unleaded to premium has 10% ethanol at least.

Conoco premium is E-free down here is south central Mo. It's all I run in saw, boats & mowers.

 

[hillbillypolack]

What about gasoline stabilizers like Sta Bil? I have a few seasonal toys that have pump premium, Techron and marine Sta Bil as a winterizing cocktail.

 

[sunfish]

What about gasoline stabilizers like Sta Bil? I have a few seasonal toys that have pump premium, Techron and marine Sta Bil as a winterizing cocktail.

I use marine sta bil in my boat and any gas that is stored and never have any problems. Running gas now that was mixed last summer.