E 15 going on sell this summer
 

Biden will announce later today the allowed sell of E 15 fuel. Basically gas with 5% more ethanol, does this seem like it would be a big enough change to cause problems on EFI systems ?

Hmm, Ive seen E15 for sale all over Illinois for a couple years now .

Allow the sell of e15?? Ive allready seen it at stations before......even used it on my 2010 avalanche without issue.
When they first came out with this stuff it was said to be made for vehicles 2001 and newer and any flex fuel vehicle. So i guess it depends on how new the FI system is your dealing with. They claim its "cleaner" for the environment but its 5% less power then straight gasoline.

wow! i started my reply to this at 9am and got a phone call here at work! didnt know i was on there for so long! LOL

Right… you sure you didn’t nod off? Lol.

Now I need E85 so I can turn up the boost.

Huh? what? where am I? Who's there? Get off my lawn you darn kids! :D

Seriously wtf kind of shady ****... a week ago there were headlines everywhere that they just figured out adding alcohol made worse emissions then regular gas.. plus gasahol gets worse mileage then regular gas so you burn more or it.

We haven't seen E15 here yet however most of the marinas get the same gas as the road stations (very difficult to find E0 here). That being the case, I'm sure the majority of marinas in VA will be selling E15 whether it's approved for boats or not.

More alcohol=more vapor lock, just don't know how bad it will be.

Won't keep it cheaper for long, 2 million less acres of corn were planted this year. It also goes against the regime's claimed climate friendliness as it produces more smog in summer. Yet another moronic decision.

I wouldn’t worry. Mayor Pete will help with a good solution.

not taking advice from a guy who thinks he understands transportation because he is familiar with the term 'putting a banana in the tailpipe'

I’m sure corn prices are going way up to due to higher fuel prices for planting and harvest, and fertilizer is going through the roof since the Russia/Ukraine fiasco.
No mean tweets though!!

What do you mean it's 5% less power?

I run e85 in my twin turbo street car. When I say there is a lot of heat under the hood, I mean there is a LOT of heat under the hood lol.

Never had vapor lock.
https://cimg5.ibsrv.net/gimg/www.off...98ccf66a93.jpg

Cool !
But, your pump is probably in back of car and gravity fead ? And your fuel returns to tank ?

That is merc’s issue. Fuel not gravity fed to pump and Vapor making it to inlet of pump because return goes back to inlet of pump, and then it cavitates and doesn’t move the fuel.

I saw that too, real math tells us going from "e-10" to e-15 would result in a loss of 1.5% of total energy content per gallon (ethanol having 30% less energy per gallon than gasoline). then in equivalent power, theoretically a motor on e15 will make same power as a motor on e-10, it will just use 1.5% more fuel to do it.

You are correct on my fuel system.

I understand the difference in the merc setup. Don't The boats that have this problem, (i never did on my 496ho), have the problem with no ethanol as well?

The 496 came with a fuel cooler on it to combat vapor lock. It's built into the fuel filter assembly.

Ethanol is also leaner then gasoline so in absence of a closed loop 02 or a flex fuel sensor if your setup is right on the edge it could be troublesome.

I assume with most modern cars that can also run E85 they will correct for this? Do they have some type of fuel sensor?

Of course just like E-85 means they will burn more so not sure what this is helping.

Yes. Flex fuel E85 vehicles have fuel sensors.

I’m more worried about the corrosion on fuel system components and water contamination.

fuel docs in the Baltimore region are now offering ethanol free. Not cheap, but might be a smarter option if you’re not running through a lot of fuel..

Dont remember where i rerad it but there was an article about it....compared to straight gas since both are about 88 octane...the E15 has 5% less power it stated....what that means i dont know.
Maybe i read it wrong.....wish i could find that article again.....

Warning!
 

It was actually prohibited under federal law to be used in boats. E10 is bad enough.

https://www.tradeonlytoday.com/indus...kes-a-comeback

https://cimg3.ibsrv.net/gimg/www.off...68fd63d69e.png

I feel sorry for anyone with a 2 stroke and doesn't know to stay away from the crap

So for you guys on the east coast talking about this at marinas, I have never seen any kind of Ethanol gas at marinas here,or any of the Midwest lakes. WTH do they have ethanol E-10 or E15 at your marinas? Just sounds like a bad idea for fuel that is stored for any length of time.

I'm sure Bill Gates being the single largest farmland owner in the country has nothing to do with this decision either.

FJB

The first modern vehicles that were E85 compatible had a "flex fuel" sensor, when it saw more alcohol content, it changed a fuel multiplier to account for extra fuel it would need to maintain stoich. Now, as efi has gotten even more advanced, the flex fuel alch content sensors are gone and the efi tuning counts on seeing sudden swing in 02 readings to drive tuning into richer areas of alch table. Fwiw, my beater minivan gets 18 to 20 mpg on 87, gets 14 to 15 on e85 and smells like empty beer cans at return area of grocery store.

On boosted motors do they add in boost? I know the tuner guys have done it, seen one where they took a Eco tech F150 and got it into the 11-12's something crazy like that. Not sure how long it would last at that boost level but fun never the less.

This.

Just about any car that uses an oxygen sensor will be able to run e15. The sensor will adjust accordingly.

Every now and then I put some e85 in all my cars that are not e85 rated. E85 is a super detergent. In my testing, I have been able to run up to e30 without any issues. Any more than that and the 02 sensor can not adjust enough. That is because there are limits programmed in the ecu for 02 +/- adjustment.

Around my house, e85 comes out between 87 and 93 price wise. I run it because it is race fuel for the cost of premium. Mileage definitely suffers. Every more and than I will put a full tank in my Tahoe (e85 rated). The engine is rated at a higher hp in the owners manual running it. IMO the engine runs better/ smother on it. That goes for my street turbo car as well. If I have 93 in the tank and fill it with e85 while running, you can actually hear the engine run smoother.

I think they just adjust the timing table.

I plan on running 25-30lbs in my 9:1 old school sbf on pump e85, if i have the nerve to go that high lol. Hopefully 13-1400hp. Not bad on 2.69 a gallon, that last I looked.

That is incorrect information.

Probably...but it doesnt realy matter to me....the ethanol fuels i stay away from. I have tried them in my truck before and i do notice a nicer responce from the engine....but the fuel economy sucks!
Around my house regular gas as of this morning when i filled up was $4.54/gal
E85 at that same station was $4.15/gal
So at my 26 gal that i filled up on, it was $118.04 and it would have been $107.90 for E85
I get on average around 13mpg on reg gas
when i have run the E86 im down to 10mpg
so if i was to run my truck all the down on those 26 gallons i would be getting 338miles to a tank on reg gas but only 260 on the E85
So im loosing 78 miles just to save $10.14?
Even if i had extra fuel jug in the truck and used up that $10.14 differance and got an extra 2.4gal of E85 I could only go another 24 miles....still 53 miles short from using reg gas....
So where exactly is the benefit of this stuff? I can understand for racing purposes due to the higher octane of the E85 but daily driving i just dont see the benefit of it...

My concern as well. My 502MPI VST generation engines are very vapor lock prone with E10. I avoid it at all costs. No way I would run E15.

For performance, it's a no brainer imo.

I can't speak about the pro/cons for the environment. I've read it both ways.

For a daily driver, it comes down to how much a mpg would cost compared to what ever octane you need to run. Depending on the cost, the e85 could be lower, the same, or more per mile.

If it was the same or lower cost, I would run e85 all the time. Pistons and heads stay cleaner. Exhaust temp is lower as well.

One downside is you have full up more, less miles per tank.

Also depending on ethanol percent blend, which is usually 70-85%, the mpg will change. You will get slightly better mpg with the lower % blend.

New research out of University of Wisconsin - Madison, suggests that "the carbon intensity of corn ethanol is no less than gasoline and likely at least 24% higher."

I’m more worried how this is gonna affect the price of a bag of Fritos? More corn in gas, less for Frito Lay. :party-smiley-004:

Had gas boats for years however I've had a diesel for the last couple years and most of the places I frequent have one diesel tank....and one gasoline tank. The majority of them have E10 in 89 octane. The ones that do have E0 or 93 octane make a big deal about it since it's rare.

My concern is that these marinas are getting gas from the same sources as the road stations........and if E15 is the only option, that is what they are going to put in marina storage tanks.