Pontoon Boat & Deck Boat Forum

Just got a notice from my marina that the only have 3,500 gal. of regulator fuel left and will be forced to start using E-10. I have a Yamaha 50 4stroke. Any one experience many problems switching?

We've had E-10 for many years, not a single issue since MD implemented it. The only problems I've heard from elsewhere are older boats with built in fiberglass fuel tanks. Pretty much every engine manufactured in the last 10-15 years should be fine with E-10.

There's alot of people who claim E-10 has caused alot of problems without backing up what they say with hard data. That being said, E-10 can absorb water if fuel is left in the tank too long. Add a water seperating fuel filter, use stabilizer (I prefer Seafoam) in the tank if your boat isn't used/run for more than 60 days and you'll be fine. Top off the tank during winter storage to prevent condensation build up.

Ditto BMR or the Sta-Bil Marine.

I agree, with BMR & rockymax. The past four years used nothing but the Alcohol blend in my Yamaha 50 2 stroke. I always use Sta-Bil or Seafoam one or the other every time. I have never installed a water separator, no problems so far.

thanks guys. Glad to hear that. guess were a little slower in New Hampshire. But I believe not all change is good change. Don't think i will get much argument around here.

What about mileage, haven't had to use it in the boat yet, have a flex fuel engine in my vehicular and with E10 it drops off 2 miles a gal and with E85 I lose 5.

I haven't noticed any difference in gas mileage on my vehicles or boats.

e10 is a politician's bad joke.

the specific energy of gasoline is about 47 kj/g. for ethanol, it's about 30 kj/g.

if you used 100% ethanol, instead of say a 20 gal gas tank, you'd need a 30 gal tank.

e10 is lucky to only have 10% of this crap in it, so it ends up with about 4% less energy
per gallon than real gasoline. without compression ratios and other engine parameters
designed specifically for e10, recoverable energy will drop more than 4%.

yes, ethanol puts out about 2/3 as much CO2 as gasoline--but that's on a PER GALLON basis.
when you factor in the reduced energy in that gallon, ethanol only reduces CO2 emissions
by 5% as compared to gasoline--and that's if the engine is burning the ethanol efficiently.
not to mention that there is NOT scientific agreement that CO2 emissions are causing climate
change. i keep saying it but no one listens--when our climate swings toward the next ice age
(and it's coming), we will beg for global warming.

the whole thing is a scam perpetrated by crooked politicians who had their pockets lined by
their buddies who were setting up ethanol plants. it is rampant here in wisconsin.

the politicians are in charge--why should science matter?





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Give it up, we the people are to dumb and stupid to do anything about it and now there letting the brain dead and illegals keep them in office.

Ya what FloterBoter said

FloterBoter wrote:e10 is a politician's bad joke.

the specific energy of gasoline is about 47 kj/g. for ethanol, it's about 30 kj/g.

if you used 100% ethanol, instead of say a 20 gal gas tank, you'd need a 30 gal tank.

e10 is lucky to only have 10% of this crap in it, so it ends up with about 4% less energy
per gallon than real gasoline. without compression ratios and other engine parameters
designed specifically for e10, recoverable energy will drop more than 4%.

yes, ethanol puts out about 2/3 as much CO2 as gasoline--but that's on a PER GALLON basis.
when you factor in the reduced energy in that gallon, ethanol only reduces CO2 emissions
by 5% as compared to gasoline--and that's if the engine is burning the ethanol efficiently.
not to mention that there is NOT scientific agreement that CO2 emissions are causing climate
change. i keep saying it but no one listens--when our climate swings toward the next ice age
(and it's coming), we will beg for global warming.

the whole thing is a scam perpetrated by crooked politicians who had their pockets lined by
their buddies who were setting up ethanol plants. it is rampant here in wisconsin.

the politicians are in charge--why should science matter?





.

Well said - I actually wrote a letter to the editor of the Stevens Point Journal that got picked up state wide regarding E-10. It was just a short thank you to a local station that supplied 87, 89 & 91 non ethanol blended gas. Two months later they changed over. Now I fill my truck up with non blended 91 only. My Boston Whaler with the 35hp Evinrude has always gotten the same. E10 is a sham and should be banned.

The only positive note is that Wisconsin actually makes gas stations put a label at the filling pump if there is ethanol in it. Some states don't have that same law - you wouldn't know what you're getting!

One other thing - there are some people in the tuning world that are looking at using "FlexFuel" vehicles to up-tune for E85. Because E85 is essentially racing gas at 109 octane AND FlexFuel vehicles come with larger injectors there's a real untapped market for someone that can make an ECU tune to harvest this combination. Time to melt some pistons!

The pump may say E10, but bets are that it could contain 20% ethanol.

Last year on another boat forum a member used a state test kit and found anywhere from 5 to 20% ethanol. The Kansas City Star also did an expose on the tanker filling methods. One method is a splash method where a guesstament is used to bulk add the ethanol to the fuel tank trailer. The other method is a blending at the fill station. Obviously, the blended method was more accurate, but not all of our bulk terminals have the blending equipment.

OldePharte wrote:The pump may say E10, but bets are that it could contain 20% ethanol.

Last year on another boat forum a member used a state test kit and found anywhere from 5 to 20% ethanol. The Kansas City Star also did an expose on the tanker filling methods. One method is a splash method where a guesstament is used to bulk add the ethanol to the fuel tank trailer. The other method is a blending at the fill station. Obviously, the blended method was more accurate, but not all of our bulk terminals have the blending equipment.

It's a law in Wisconsin that it can not contain no more than 10% - that said I'd love to get a test kit and test my local fuel stations.

This is something we need to get rid of, why spend all that money on something that's give you less mileage and more troubles.

Glad I went diesel, good mpg's, plenty of power and if you soup it up you get better fuel mileage, my kind of engine,now I need to convert the pontoon to diesel.

Might have to get a bigger pontoon, but 325 horsepower and 610 foot pounds stock it should move fast and be able to pull and the tubes you want

Mercruiser has a little 4 cylinder diesel now Herb. All Merc. diesels are made by Cummins:

http://www.cmdmarine.com/engines/index.html