Posted by ih560 on July 18, 2008 at 18:49:24 from (204.118.68.33):
In Reply to: e85 use it posted by jonnny2006 on July 18, 2008 at 03:31:24:
Its take approximately 30% more Ethanol to maintain a stoich ratio and properly burn in an engine. An engine runs stoich on gasoline at 14.7:1 while it takes 9.0:1 for Ethanol. If you are running an engine that is not flex fuel on Ethanol, and by that I mean that it does not have the capabilities to fluctuate the AFR due to different types of fuel (or different % of alcohol) then your vehicle is running LEAN. If you run your vehicle very hard at all while running it this lean, you are going to cause damage by either detonation or just plain melting or burning pistons or valves.
When I was in college (earning a degree in Agriculture) I worked a lot on the farms where they had a fleet of about 75 or so flex fueled Vehicles of which they always ran on E85. These vehicles all had less than 30,000 miles on them at that time and they would always give us trouble with cold starting, to which the ford mechanics said was the Fault of the E85. They always recommend running mainly gasoline in them in the winter to aid in cold starting problems.
I just really do not really think that Corn Ethanol is the cure to anything, other than making people feel good. I done lots of research on this topic for my degree and it always came out the same way, we were trading their energy (foreign oil) for our energy (corn Ethanol) at a rate of about 1 : .9 or even worse. Even in the best case scenario we were just trading them even and still sending them all the same money we would have if we would have just used the fuel we got in the first place. It is just not sustainable.
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