Effects of Ethanol
#11
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I was chatting with a marina mech last year abt this subject. He said the older outboards were giving the most trouble. The insides of the old type fuel hoses were turning into jelly and clogging up the tiny carb circuits.
Make sure you have USCG approved SAEJ1527 hoses. They are resistant to alcohol.
I replaced all my fuel hoses last year. When I asked if the hoses they sell were OK with ethanol, every vendor said that they only sell the newer USCG approved stuff.
As prev mentioned, phase separation is the other killer. If the ethanol laced fuel sits too long (8 weeks or more) and is exposed to moisture (like boats are via the fuel venting sys) the ethanol will bind with water then fall to the bottom of the tank where the fuel pick-up is located. The fuel remaining will have an octane rating in the low 80's.
Make sure you have USCG approved SAEJ1527 hoses. They are resistant to alcohol.
I replaced all my fuel hoses last year. When I asked if the hoses they sell were OK with ethanol, every vendor said that they only sell the newer USCG approved stuff.
As prev mentioned, phase separation is the other killer. If the ethanol laced fuel sits too long (8 weeks or more) and is exposed to moisture (like boats are via the fuel venting sys) the ethanol will bind with water then fall to the bottom of the tank where the fuel pick-up is located. The fuel remaining will have an octane rating in the low 80's.
#12
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Out here in CA we can't get non-ethanol fuel at the docks. Many of the fuel distributors use ValvTect to prevent the problems associated with ethanol blended fuels, including phase separation and destabilization. We don't have a choice...
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I use it in everything. I can't count the number of combustion engines I have ethanol fuel in right now including supercharged (mildly 8 psi) NEVER had a problem. My S/C Mustang sits from Nov 1 to Mid April no problem. Everything else from lawnmowers to Honda engines snowmobiles 4 wheelers 6 wheelers water pumps cars work trucks ect ect all fine sitting outside weeks months at a time tanks vented no problem. JMHO I think the whole thing is over worried about. Oh yea boat also. Just had a hell of a weekend on the reservoir after boat sat from Nov 1 to last weekend when I fired it up on the hose to change fluids. Fired within two revs idled and ran fine.
Disclaimer: I'm no chemist. Just real world experience.
Disclaimer: I'm no chemist. Just real world experience.
Last edited by GAZ; 05-05-2014 at 08:18 PM.
#14
The grass is now 12 inches tall in my yard as I can't get my cheap little lawnmower to start. I'm not sure it will ever start again. If you listen closely, you can hear the grumblings when you use ethanol laced gas. If you have a fiberglass tank, expect to see particles dissolved and being thrown through your fuel systems.
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The grass is now 12 inches tall in my yard as I can't get my cheap little lawnmower to start. I'm not sure it will ever start again. If you listen closely, you can hear the grumblings when you use ethanol laced gas. If you have a fiberglass tank, expect to see particles dissolved and being thrown through your fuel systems.
#16
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#18
Ethanol is a much greater problem in high humidity states. As others have posted, ethanol will attract water in your fuel tanks and that will cause all kind of problems. Fuel filters can clog with both white and or black gel residue. I ruined an expensive fuel pump because it was clogged up with those residues. I finally got my fuel tanks clean after a dozen of clogged fuel filters, hundreds of gallons of non ethanol fuel burned and several trips back to the ramp on a tow rope.
Ethanol works fine in my flex fuel trucks and E-85 even adds a noticeable boost in power. You just burn 30% more of the E-85.
Ethanol works fine in my flex fuel trucks and E-85 even adds a noticeable boost in power. You just burn 30% more of the E-85.
#19
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Ethanol is a much greater problem in high humidity states. As others have posted, ethanol will attract water in your fuel tanks and that will cause all kind of problems. Fuel filters can clog with both white and or black gel residue. I ruined an expensive fuel pump because it was clogged up with those residues. I finally got my fuel tanks clean after a dozen of clogged fuel filters, hundreds of gallons of non ethanol fuel burned and several trips back to the ramp on a tow rope.
Ethanol works fine in my flex fuel trucks and E-85 even adds a noticeable boost in power. You just burn 30% more of the E-85.
Ethanol works fine in my flex fuel trucks and E-85 even adds a noticeable boost in power. You just burn 30% more of the E-85.
#20
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The grass is now 12 inches tall in my yard as I can't get my cheap little lawnmower to start. I'm not sure it will ever start again. If you listen closely, you can hear the grumblings when you use ethanol laced gas. If you have a fiberglass tank, expect to see particles dissolved and being thrown through your fuel systems.