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It does have a higher octane rating, but the rub is that you have to inject huge amounts of it because of the lower power potential.
The biggest problem is that we are making ourselves completely dependent on corn, and that we effectively use it for everything now, we are competing with ourselves. Food prices have risen since they started mixing ethanol with gasoline as well.
But thats a whole different issue. Watch the documentary King Corn if you are interested.
Yup, the very few car guys that keep trying E85 are starting to use double injectors like they would for alcohol just to get enough fuel in the cylinder to keep the motor together on corn crap. There is NO gain from ethanol no matter how you look at it!
Yup, the very few car guys that keep trying E85 are starting to use double injectors like they would for alcohol just to get enough fuel in the cylinder to keep the motor together on corn crap. There is NO gain from ethanol no matter how you look at it!
Ford and the like seem to be having zero issues with running ethanol. They even warranty their vehicles made to run on ethanol ...who would of thought!
I will agree that making a vehicle that was not originally designed to run E85 is not worthwhile, however, if E85 is cheaper than gas and the price is past the break even point, there is nothing wrong with running E85. You'll even get a bit more power out of it.
You don't get more power, you get less. Unless you tune specifically for E85 and install larger injectors and oftentimes a larger diameter fuel line and larger fuel pump, you are not likely to get more power switching to E85. Each gallon of E85 has 20% or so less power than a gallon of gasoline. So a tune that simply maintained stock gasoline power levels would have to inject almost a 25% more fuel. A tune that would take advantage of ethanol's detonation resistance to make more power would be even more. There are no stock fuel systems that I'm aware of that can provide that kind of increase. And moreover, as has already been covered, your mpg will decrease a similar amount. So if you inject the same amount of E85 as you did gasoline on a 100hp engine that got 25 mpg, you would have an 80 hp engine that gets 20 mpg. If you step up your fuel system to get you back to the original 100 hp, you would be down to somewhere around 16 mpg.
This is all not to mention the off topic fact that E85 doesn't reduce our dependency on fossil fuels since each gallon of E85 has burned over a gallon of equivalent fossil fuel by the time it is harvested, refined, and trucked to the distribution site.
It will never be cost efficient to convert a non-flex-fuel vehicle to flex-fuel. The small % savings on fuel costs you MIGHT see long term would take longer to realize than your vehicle will run.
I am yet to see a study that suggests you actually see a savings in a flex-fuel vehicle. The fuel, depending on where you are, costs around 20-30%less. You get 30-40% less mpg. that math simply does not work well. you may feel good at the pump when it costs you less to fill up, but unless you really like filling up, just does not make sense.
There are no stock fuel systems that I'm aware of that can provide that kind of increase. And moreover, as has already been covered, your mpg will decrease a similar amount. So if you inject the same amount of E85 as you did gasoline on a 100hp engine that got 25 mpg, you would have an 80 hp engine that gets 20 mpg. If you step up your fuel system to get you back to the original 100 hp, you would be down to somewhere around 16 mpg.
I will quote myself:
Originally Posted by aortizexcursion
The one thing I like about Ethanol is the higher octane rating. The 2009 F-150 with the 5.4 is an example of capitalizing on this through proper tuning. On Ethanol, the F150 is rated at 320hp and 390lb.-ft; on gasoline, the same engine in the same vehicle is rated at 310hp and 365lb.-ft.
Do you really want to argue that 320hp is not more than 310hp and 390lb.-ft is not more than 365lb.-ft? I originally said that with proper tuning, ethanol gives you more power. I did not mention anything about fuel economy or even reliability so when we break my statement down to the bare minimum, ethanol can provide more power as Ford has proven with both the updated for 2009 5.4 and the 5.0. I am not disagreeing with you about MPG; all I said was that I like the potential for added performance with ethanol and proper tuning.
They warranty their diesels too, how is that working out for people?
So you are saying that people running ethanol in their E85 capable vehicles are experiencing issues at the same scale that the diesels are undergoing? I did not realize this; please enlighten me.
All I'm sayin is I have YET to hear any benefit or gain from E85. All I ever hear and see is ruined parts and motors, horrible corn mileage, high grocery prices, and still high gas prices (what happened to lower reliance = lower gas prices?).