E85, Regulated? Questions on fuel quality.
Injectors, fuel pump,and a tune.
And if you were going to switch back to 93, you would need a MAP switch for the ECU to run two Maps.
Also, I talked to an engineer from Ford Truck division.
He told me that during the testing with E85 in his trucks, they needed to upgrade the entire fuel system to stainless,from fuel tank to injectors due to the fact that E85 absorbs so much moisture.
He also said that over time, if the car was not outfitted correctly, the fuel system might last 3 years at the most.
The only way to help it was for every 2-3 tanks of E85, they would run a tank of 93.
You need more than just a tune for your stock car.
Injectors, fuel pump,and a tune.
And if you were going to switch back to 93, you would need a MAP switch for the ECU to run two Maps.
Also, I talked to an engineer from Ford Truck division.
He told me that during the testing with E85 in his trucks, they needed to upgrade the entire fuel system to stainless,from fuel tank to injectors due to the fact that E85 absorbs so much moisture.
He also said that over time, if the car was not outfitted correctly, the fuel system might last 3 years at the most.
The only way to help it was for every 2-3 tanks of E85, they would run a tank of 93.
Injectors, fuel pump,and a tune.
And if you were going to switch back to 93, you would need a MAP switch for the ECU to run two Maps.
Also, I talked to an engineer from Ford Truck division.
He told me that during the testing with E85 in his trucks, they needed to upgrade the entire fuel system to stainless,from fuel tank to injectors due to the fact that E85 absorbs so much moisture.
He also said that over time, if the car was not outfitted correctly, the fuel system might last 3 years at the most.
The only way to help it was for every 2-3 tanks of E85, they would run a tank of 93.
To the OP, I was running E85 in my 1g for awhile and when I got the evo I decided that I'm going to stick with 93 octane because E85 was just too much of a hassle for a daily driver on a DSM. Anything below 40* it would be a bear to start, and having to plan trips to the gas station wasn't convenient. I took it to the shootout one year and mapped out and called all the e85 stations on the way and it took about 1 hour longer. It all depends on your goals, if you can get there with 93 octane might as well do it, if an E85 station was next door to you that would also be a different story.
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From: Tri-Cities, WA // Portland, OR
I've been on E85 pretty much full time for 2.5 years and no sign of any degredation of any of the fuel hoses. My Walbro is still doing fine as well.
EvoM Guru
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From: Tri-Cities, WA // Portland, OR
I have been contemplating going the E85 route like so many people have these days, but I have several questions.
1. In my town there is only one place to get E85, and its 30 miles away. I know that e85 is hydroscopic, so it will absorb water over time. If I were to store it in a 55 gallon drum, how long will it stay fresh?
2. I have tested the fuel at the station a few times to see what kind of blend is actually coming out of the pump. The numbers I get seem to differ each time. (I use the graduated cylinder method for calculating %). I have gotten a wide variety of blends from E60 to E90...
3. My question is: Are there any regulations on E85? It doesn't seem like it to me. Perhaps it's just the station I am going to, but has anyone run into problems with inconsistent blends and had drivability issues?
4. If you get a crappy blend, such as E60, will I run into problems with knock and such? Does anyone on here test the fuel each time before putting it into your car? If that is the case ethanol seems like it would be a major headache..
Any input would be greatly appreciated, Thanks!
1. In my town there is only one place to get E85, and its 30 miles away. I know that e85 is hydroscopic, so it will absorb water over time. If I were to store it in a 55 gallon drum, how long will it stay fresh?
2. I have tested the fuel at the station a few times to see what kind of blend is actually coming out of the pump. The numbers I get seem to differ each time. (I use the graduated cylinder method for calculating %). I have gotten a wide variety of blends from E60 to E90...
3. My question is: Are there any regulations on E85? It doesn't seem like it to me. Perhaps it's just the station I am going to, but has anyone run into problems with inconsistent blends and had drivability issues?
4. If you get a crappy blend, such as E60, will I run into problems with knock and such? Does anyone on here test the fuel each time before putting it into your car? If that is the case ethanol seems like it would be a major headache..
Any input would be greatly appreciated, Thanks!
As others have said, driving 30 miles each way for E85 is going to get old really fast even if you are filling up a 55 gallon drum. I think I'd want to fill up at least two drums to make it worth it.
Last edited by mrfred; Dec 23, 2010 at 02:13 PM.
Also, I talked to an engineer from Ford Truck division.
He told me that during the testing with E85 in his trucks, they needed to upgrade the entire fuel system to stainless,from fuel tank to injectors due to the fact that E85 absorbs so much moisture.
He also said that over time, if the car was not outfitted correctly, the fuel system might last 3 years at the most.
The only way to help it was for every 2-3 tanks of E85, they would run a tank of 93.
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