10% Ethanol

csp1971

Well-Known Member
Messages
1,664
Location
Missouri
Is it okay to use gas with an 10% ethanol mix, 91 octane? Just kind of curious. We have a couple stations near us that have ethanol.

Thanks!
 

marder69

Well-Known Member
Messages
228
Location
Newport,South Wales,UK
I have heard that it don't mix well with certain types of 2 stroke oil! I have used the SILKOLENE PRO BOOST before and the piston ring didn't last long at all! I say stick to what works!!
 

todd217

Well-Known Member
Messages
215
Location
rantoul,il
i try to stay away from the ethanol mix gas. i think my 2 fgs run better on straight gas. they use the ethanol to raise the octane rating in the gas. i would run 87 octane gas over 89 octane mix.
 

csp1971

Well-Known Member
Messages
1,664
Location
Missouri
I'll stay away from Ethanol blended gas. I was just curious. I was filling my car up with it and was thinking about whether it would work in my "little car".
 

hpiguy

Well-Known Member
Messages
88
Location
Wausau, WI 54401
In WI you can't find anything but 10% ethanol mix. It's all they sell.

I have been safely running 87 octane regular gas with 10% ethanol for over a year in these trucks and have had ZERO issues.

BTW the higher octane does nothing for these low compression two strokes. Lower octane burns slower, so a lot of heat is pushed out the exhaust in these engines, thus over heating the exhaust ports.

There is zero reason to use anything but 87 octane regular.
 

Bigger the Better

LSF Plus Member
PLUS member
Messages
7,738
Location
Minnesota
In WI you can't find anything but 10% ethanol mix. It's all they sell.

I have been safely running 87 octane regular gas with 10% ethanol for over a year in these trucks and have had ZERO issues.

BTW the higher octane does nothing for these low compression two strokes. Lower octane burns slower, so a lot of heat is pushed out the exhaust in these engines, thus over heating the exhaust ports.

There is zero reason to use anything but 87 octane regular.

Same here in Minnesota, our state requires %'s of ethanol depending on season in all gas 87-92 the only exception is farm fuel which is what I use and only cause I'm in the sticks and its available. The only draw back from ethanol would be the loss of energy that it produces when mixed in fuel but we would not be seen in our engines. If you take a tank of ethanol fuel and a tank of regular fuel and take a trip you will get less mileage (energy) from the ethanol blend vs the non ethanol blend (up to 30% less using E-85 fuel). Ethanol is used for one reason "To lower emissions" but there are two sides to that coin. Also remember octane is not the amount of energy you will get from the fuel but the measurement of a gasoline’s resistance to pinging or knocking under a certain compression, if your motor cannot get the amount of compression compared to the octanes then the extra energy is waisted out the tail pipe. In other words if your motor cannot get to the higher compression then you will get the same energy out of either 87-92 but may get better gas mileage in a large vehicle due to the additives. Ethanol will condensate or attract moisture (separate) faster then regular fuel as well, but it will take quite a while for it to happen. And as with any fuel I would recommend shaking the oil/fuel mix before using it - Always.:)
 

booggieman2u

Well-Known Member
Messages
54
Location
sullivan,indiana
I can take the ethonal out just mix some water with food colorng pour in in a and the etho.al sticks to it the n settles to bottom the just use a turkey baster and suck it out old aircraft trick lol
 

46u

Well-Known Member
Messages
1,185
Location
Macon, Georgia
Been running gas with 10% ethanol for 3 years with out a problem. I have engines with 8 to 10 gallons on them and where running fine when I took them out to in stall a higher performance engine. I will say ethanol is just another way for the oil company's to make more money! Ethanol is nothing but a scam!
 
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