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E-85

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grazer

05-22-2006 05:27:07




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This is a little off topic but I think it has to do with farmers.This E-85 fuel,has anyone burned in a car they say you can't,maybe a blend or something.We heard you don't get as far on a gallon as a gallon of gasoline.Just like to get some feed back.




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RayP(MI)

05-22-2006 19:07:02




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 Re: E-85 in reply to grazer, 05-22-2006 05:27:07  
My cars (2 Chevy Blazers,) manuals say they are OK with alternative fuels - which I have taken to mean that the ethanol won't harm the fuel systems. tried a couple of tanks of E-85 a while back. No problems with running, or starting, but fuel economy dropped substantially, and the check engine lite came on a couple times, reading an oxygen sensor malfunction. Cleared it, and went back to E-10, and have been running it with no problems. Apparently my car's computer won't handle the E85 correctly, so if the manufacturer doesn't come out and say in the manual that they are OK on E-85, I would stay away from it. Many vehicles, especially the older ones have fuel system components that are damaged by ethanol.

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dhermesc

05-23-2006 08:18:47




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 Re: E-85 in reply to RayP(MI), 05-22-2006 19:07:02  
That is true, a REAL FFV set up will get more out of E85 then a car that just happens to run on it. The drop off in mileage the one time I was able to buy E85 for my 2005 Taurus was about 3 MPG at highway speed (from 29 to 26) - would probably be more for in city driving.



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nw_bearcat

05-22-2006 14:50:01




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 Re: E-85 in reply to grazer, 05-22-2006 05:27:07  
i have heard of a few folks blending it in non-e85 vehicles w/ ok results.

I think the comment about draining the tank to reset the computer was just mis-spoke. When you have a FFV, the computer will make timing and fuel related adjustments to run either the E-85 or standard fuel. It works best at either end of the spectrum, all standard gas, or all E-85. if you have a FFV, the performance will decline if you "top off" a tank of either fuel w/ the other. say you have 1/3+ tank of E-85, and you fill up w/ standard, or vise-versa. it won't run bad, but not up to its potential.

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Mike M

05-22-2006 11:48:43




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 Re: E-85 in reply to grazer, 05-22-2006 05:27:07  
Just had an 02 Lesabre towed into work today because someone had been trying E85 in it. Don't know how long they have tried it but it wouldn't start until the tank was drained and plain gas was put in changed the fuel filter and then it fired up.

This is going to cause the techs. a whole new set of troubles ! On the cars made to run on it you are going to have to drain E85 out and put in plain gas to set the computer on if you ever have to reprogram it. The techs. are crying allready !!!!

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dhermesc

05-22-2006 14:04:08




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 Re: E-85 in reply to Mike M, 05-22-2006 11:48:43  
On the cars made to run on it you are going to have to drain E85 out and put in plain gas to set the computer on if you ever have to reprogram it.


Could you explain that?



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Mike M

05-23-2006 04:41:23




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 Re: E-85 in reply to dhermesc, 05-22-2006 14:04:08  
The way I understand it ? This is just what the techs. here at work have been starting to get informed on,is that if you have to replace the PCM for some reason to reprogram it you are going to have to drain the system and start out with gas to do the reprograming. So now your going to have to pay extra labor for the extra time this is going to take. The techs. aren't happy about all the extra screwing around they will have to do and I can't say that I blame them.

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buickanddeere

05-23-2006 07:34:43




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  Bubba B.S. story Re: E-85 in reply to Mike M, 05-23-2006 04:41:23  
The draining of the fuel and replacing with gasoline to reset the computer story. Is just a techs either guessing instead of troubleshooting. Or the shop & tech suckering a larger bill from the customer. E-85 can be a bit ugly when starting in cold weather as alcohol doesn't vaporize into a flamable vapour worth a darn. only 15% of the mix being the easier to vaporize gasoline isn't very much in the big picture. Plug the block heater in for a couple of hours and she will fire right up. The other thing is the injectors maybe partly plugged and not spraying a mist which is easier to vapourize. E-85 will scrub loose any goo,glop & dirt loose and it will end up at the injector orfices.

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Mike M

05-23-2006 09:33:33




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 Re: Bubba B.S. story Re: E-85 in reply to buickanddeere, 05-23-2006 07:34:43  
It's not from Bubba unless he works for General Motors Corp. Which is possible since they are in such bad shape ! This info came right from GM.



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dhermesc

05-22-2006 11:42:27




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 Re: E-85 in reply to grazer, 05-22-2006 05:27:07  
I'd only run E85 in a car that is FFV, trying to run it in fuel injected computer controlled engine will probably give you more hassle then it's worth.

FFV cars like the Taurus get about 80-90% of "normal" fuel mileage and can run E10, E85 and "regular" with no adjustment when switching from fuel to fuel. I run E10 in everything I own, I could tell the mileage dropped a bit on my older Mercury (1192) with a 4.6 using E10, but it doesn't make a differance on my two newer Taurus or on my old 82 F150.

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Glen in TX

05-22-2006 09:27:36




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 Re: E-85 in reply to grazer, 05-22-2006 05:27:07  
Understand it will work to blend it in other fuel injected vehicles or those rated to run it. We had ethanol plants years ago next door in NM but they all shut down 15 years ago as tax credits ran out and the alternative fuel thing wasn't flying then. Back then I tried running it in carbureted vehicles and that was a mistake in some. You have to have a carburetor with no plastic or resin floats inside as alcohols of higher percentages will melt that stuff and dry out and shrink gaskets and it won't run right anymore or can just ruin the carb. A older carb with all metal parts and brass float can work with it if jetted right and adjustable but we still just had to run it as a blend in gasoline.

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ChrisLSD

05-22-2006 08:13:45




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 Re: E-85 in reply to grazer, 05-22-2006 05:27:07  
I mix it into my work car - I get around 85% or 90% of mileage as regular

I usually run around 55% alcohol and prefer to blend E85 with E10 to get that ratio -

the stuff smells great -

if the price of e85 is favorable - I am happy to burn it

of course I don't have any official flex fuel vehicles.....what would be the fun of doing something that you are supposed to do.....



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buickanddeere

05-22-2006 07:15:20




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 Re: E-85 in reply to grazer, 05-22-2006 05:27:07  
Is your vehicle a flexable fuel model or at least fuel injected?



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deib

05-22-2006 05:39:46




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 Re: E-85 in reply to grazer, 05-22-2006 05:27:07  
I have been burning it in our crysler van for 6 months. Mileage went from 20.9 to 18.6.
I have been paying about 50 cents per gallon less than gas. The math works out great. Old octane 89.7. e 85 octane 105. More power more snap. I "d go with it. You can switch back. We sometimes are in an area where we can get e85 and just puy reg gas in. No problem. Deib



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