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 The "E" word		  New Topic  Topic Locked
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OJ
Master Marine Consultant

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USA
4382 Posts
Initially Posted - 03/20/2012 :  18:28:02  Show Profile
Took the Honda lawnmower in for service and I raised the "E" word. They had a mason jar of Ethanol gasoline and (and unless it was sales prop for selling fuel stabilizer) you could clearly see the phase separation point.

The service writer said there is a Pennzoil gas station not far away that sells non-ethnaol fuel. Yippee!!!

I Googled "ethanol" and "pennzoil" and discovered the link below. Though it is written about two strokes - the same symptoms certainly appear in 4-strokes. Apparently the Pennzoil reference was for their 2-stroke oil. It also states marine and agricultural fuel is not required to contain ethanol. Suppose those corn farmers don't want ethanol in their tractor engines either!

http://www.sschapterpsa.com/ramblings/gasoline_oil.htm

1989 C25 TR/WK, #5822
1973 McVay Minuet 19
1975 Jester 12
1981 C25 SR/SK, #2428
1981 C22 SR/SK,
Tanzer 16
Sunfish

"There is nothing, absolutely nothing half so much worth doing as simply messing about in boats." Kenneth Grahame
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Dave5041
Former Mainsheet Editor

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USA
3758 Posts
Response Posted - 03/20/2012 :  19:53:31  Show Profile
This, in hindsight, is a rant and should be read with caution. However, I must say it and then try to avoid reading future posts on the subject.

Most tractors are diesel. Myths die hard. 150 mpg carburetors, unleaded gas destroys engines, hydrogen injection from water electrolysis, "turbo" vanes under the carb doubles your milage, aluminum wheels jam radar. I've seen a lot of them, and the evil of ethanol is just another one. The old tank and fuel line issues can be real, but they are generally easily addressed for our boats. Shelf life is limited, but the rest has been disproven and lives on in rumors and garage myths and legends. Read the SCIENCE.
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Tomas Kruska
Admiral

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Czech Republic
522 Posts
Response Posted - 03/21/2012 :  01:25:50  Show Profile  Visit Tomas Kruska's Homepage
We have also an gasoline (unleaded 95 octanes gas) with a mandatory 10% of bio-ethanol everywhere. No problem with cars here. The only problem I think it could cause is that ethanol dissolves the junk (sediments) from the gas in the tank so it can then clog your fuel filters.

There is also Ethanol 85 (85% of ethanol and 15% of unleaded gas 95 octanes) here much cheaper than normal gas due to lower VAT so many drivers converts their cars. The only recommendation is to check/replace the fuel filter after 1000km.

My recommendation for outboard motors is to always shut the gas line and leave the motor to suck all gas from the carburetor until it dies itself. It has also the second benefit then when you move the motor home the gas is not spilled into your car trunk.
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redeye
Master Marine Consultant

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3476 Posts
Response Posted - 03/21/2012 :  04:24:10  Show Profile
<< shut the gas line and leave the motor to suck all gas from the carburetor >> in a premix engine.

ditto.. and as soon as I quit doing that ( 2 seasons ) I get a cranky engine. ( or uncranky )
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Dave5041
Former Mainsheet Editor

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USA
3758 Posts
Response Posted - 03/21/2012 :  08:59:43  Show Profile
Or crank a lot. E-85 is not priced low enough to make it noticeably cheaper when the MPG reduction is factored in in my area. I still try to use it when I drive the G. Cherokee and am not towing as the responsible thing to do, but 12.5 mpg with E-10 while towing and resultant 225 miles/tank is bad enough. I hope we will transition to isobutanol (wood alcohol) and eliminate the water issue, lower the cost, and stop using food to make alcohol to drive our cars. Early testing is in progress with promising results and transitioning the ETOH industry will be a fairly simple process. The major hangup will be lobbying and political money from the corporate mega-farm industry that produces most of the corn.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.