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Old 11-09-2012, 10:50 PM   #1
enginjoe
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Anyone tried E85 yet?

Just wondering if the pump(s) and injectors have enough capacity.

I don't want to hear that it sucks or doesn't work. I know it does, I DD with it every day. I'm just wondering if any of the tuners who are working with the ST have done it.

Thanks.


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Old 11-10-2012, 08:50 AM   #2
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only if your car is set up for flex fuel. i wouldnt mess with it if not.
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Old 11-10-2012, 10:15 AM   #3
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Quote:
Originally Posted by misfire View Post
only if your car is set up for flex fuel. i wouldnt mess with it if not.
Here's my question then. I have a '12 focus titanium that has flexfuel. Are the tank, in-tank pump and the lines the same as for the ST? I'm betting they are. Now all we have to find out is if the hpfp and the injectors can handle e85 like the v6 ecoboost can. Again, I'm betting they can, but I need to find someone in the know.
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Old 12-18-2013, 04:11 AM   #4
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E85 is very hard on engine oil and engine oil drain intervals, (per the Ford owners manual), need to be cut in half when using E85. For starters, anything that compromises the performance of the engine oil is not good for the engine and secondly, changing oil twice as often gets expensive.
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Old 12-18-2013, 02:17 PM   #5
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Quote:
Originally Posted by BlueFocusSE5 View Post
E85 is very hard on engine oil and engine oil drain intervals, (per the Ford owners manual), need to be cut in half when using E85. For starters, anything that compromises the performance of the engine oil is not good for the engine and secondly, changing oil twice as often gets expensive.

I didn't look at every year's manuals but, for the 2000-2002 there is no mention of any oil change alterations based on fuel. Also for the 2012-there are no changes for fuel.
http://www.fordservicecontent.com/Fo.../12focog5e.pdf <--2012 owners manual

I'd really like to know where your info came from, I can't find it.
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Old 12-22-2013, 09:14 PM   #6
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Not much of a car guy are you. Warranties mean very little to people like me, because I can repair or replace anything on any car. The only consideration is money. If it is a really expensive gamble, I might think about it or not do it at certain times, but if I want it, I'll save up and go for it.

Examples: My 2002 SS had a cam, springs, pushrods, headers, intake and tune long before the factory 3/36 warranty was up. My SRT-4 had so many bolt ons and was making almost 150% more horsepower than stock long before warranty was up (on E85 too).

You guys ought to get out more really. This is the only forum where E85 is the devil.

I think I have been into cars since before you where born! You may but I don't have the disposable income to destroy a $30K car. Plus If E85 was so great for performance I think that Ford would have tested it. I do think they have more money for R&D than you do.



Quote:
Originally Posted by iminhell View Post
Wrong. Dead wrong.

Preignition is based on 1 thing and 1 thing only, heat.
The "Knock Index" is a reflection of the amount of heat a fuel absorbs before is self ignites, or autoignition.
Now if we look at the autoignition temp for each, click me we see that Ethanol is 689*F and Gasoline is 536*F. Which by my math means Ethanol is 153*F higher than gas.
Now granted that headroom is decreased the more Ethanol is diluted. But it still can not fall below that of Gasoline. Which also means any Ethanol blend should have a higher preignition resistance that any Gasoline.

Bear in mind I'm not talking Knock. That is something entirely different. Knock is an ignition timing issue and generally solvable by adjusting the ignition timing. It is a spark issue due to the fuel used, not an issue with the fuel.






E-85 is so easy to work with it amazes me that you've blown engine up on the stuff.

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Originally Posted by 1turbofocus View Post
I havent actually blown an engine , my customers have that I have tuned or built engines for but thats after anywhere from 5 to 15 tanks of fuel and then for no reason there is rod bearings knocked out and ring glands broke and all from poor quality unregulated fuel , read the comments on the Focus bord on how bad cars run running it , its a crap fuel

VPe85 is a great fuel and I love it but one drum to another is controlled and its the same each time

Tom
I am more inclined to listen to what Tom is saying vs others. He has the experience in building hella powerful Focus'
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Old 11-10-2012, 10:47 AM   #7
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i can try and look up part numbers when im back at work on monday
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Old 11-10-2012, 10:51 AM   #8
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That would be great.
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Old 11-10-2012, 04:11 PM   #9
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Talking sel with flex

I have used the flex and I find that it does misfired for the first miles or so. I find it really isnt worth it because you get way less mileage (flex250 mpt, regular398mpt). YOu do not want to be switching constently between types, that is way to hard on the car. I would use flex for long trips and stay with gas in town I hope this helps
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Old 11-10-2012, 05:48 PM   #10
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The pump and Injectors in the 2013 Focus (ST) are large enough to make 300HP so yes they are large engough to handle the 30% more fuel needed

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