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Can I use E85 in a nonconverted motor without causing damage?

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Old 07-27-2007, 07:37 PM
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Can I use E85 in a nonconverted motor without causing damage?

Well, my town is rumored to get a E85 station, so I was wonderin since there are no conversion kits for a OBDI truck (well atleast I never could find any), do ya'll know what is going to be damaged if I run E85. I know I need to get better fuel lines, but is there anything else I am going to damage?
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Old 07-27-2007, 07:51 PM
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Please read this article from the National Ethanol Vehicle Coalition about this question.
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Old 09-12-2007, 08:36 PM
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Your truck most likely will not run. Your stock computer will not be able to compensate for the extra fuel required and the extra o2 in the exhaust.

What year and model truck do you have?
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Old 09-13-2007, 05:09 PM
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www.startwithrenew.com has a section in it for folks looking to see if there rides will run on it
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Old 10-12-2007, 11:38 PM
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not to mention the ethanol will RAPE the S@&% out of your fuel delivery system, fyi, last year a fel pump for an FFV tauras was $900, no BS, theres reasons for that, A, no one else carried one, making ford the only supplier, lol, B., the materials used to handle such a Dry fuel (thats why it will harm your fuel delivery system, it will dry out any rubber most plastics it comes i contact with) bottom line, unless its a flex fuel, or you have converted, (fuel pump, all metal lines, new gas tank (it will "clean" all the corrosion out of your old one and send it through your fuel system) ethanal approved fuel filter, i believe injectors, regulator MAYBE, and then the computer..... which personally at this point i would just opt for a stand alone injection conversion (megasquirt, etc)
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Old 11-11-2007, 08:38 PM
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Smile E85 in 'noncoverted' engines

Dean, my guess is that you won't damage anything. Here at my place, we have run E85 in couple of cars that weren't converted in any way. Just poured it in and drove. The first was a '90 thunderbird with a 3.8 V6. The car started and drove just fine, like it never knew the differance. Didn't even throw a 'check engine' code. But we tried this in a car that was already all paid off years ago, and it had 189K on the clock. I wouldn't experiment on something under warranty, or something that I couldn't live without if it failed. Next I ran it in a '91 Buick Regal, with 234K on the clock. It also started and ran and drove just fine. The Buick's check engine light was glowing, but that was way back before 200K, so we can't blame that on ethanol. Several guys are running E85 in Chrysler minivans that are not supposed to have it, with no problems. Your OBD1 truck will try and compensate if you run ethanol thrrough it. The computer will sense the differance in the exhaust and tell the injectors to squirt more fuel. They can do that just fine. But they can only squirt a certain amount, once they are at 100% of their duty cycle, there is no more to be had. So if you are running at more than 3/4 throttle, there is a risk of running lean. Running lean can hurt things. So if you want to do this, you'll either have to discipline yourself to not flatfoot it, or you'll have to increase the fuels systems delivery capability. You can do that by switching to larger fuel injectors or raising the pressure on the ones you have. If you don't know how to change the pressure, find someone who does. Nevermind the fact that Ford, GM, and Chrysler and their dealers tell you you can't do this. You can. You must keep in mind they don't want you to because they are in bussiness to sell you NEW stuff, not help you with your old stuff. Keep in mind that most of the bad things you hear about ethanol are either misunderstandings or just plain lies. It is very usable stuff, but you have to think it out first. If you want 'pour it in and go' you want butanol. But I don't think anyone is selling that commercially yet. DinosaurFan, on work's old cast off 'puter
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Old 11-11-2007, 08:38 PM

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