E85/ Flex Fuel Experiment
Elder User
Joined: Jul 2010
Posts: 501
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From: Pacific NW
I've read about an individual with a Subaru WRX who optimized his vehicle to run on E85. In the end, he was achieving 90 - 95% of the same MPG. He was able to take advantage of higher boost pressures because of the higher octane. It was almost like he was always running on race fuel. I have it in my head that E85 is best used on higher compression/turbo/supercharged motors to take full advantage of the higher octane of the fuel.
Postmaster
Joined: Sep 2002
Posts: 3,077
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From: None of your business
We might see more out of ethanol if the engines had higher compression to take advantage of the higher octane. Until then the engines will be made to run on gas and fudged to run on ethanol as well by advancing the timing. Maybe the ecoboost engines with 10:1 compression will make better use of ethanol.
Either way, oil is going back up so we'll see what happens with alternative fuels now that people will be back on the bandwagon.
Mike
Either way, oil is going back up so we'll see what happens with alternative fuels now that people will be back on the bandwagon.
Mike
New User
Joined: Nov 2010
Posts: 9
Likes: 0
Here in Texas, there is talk about making 15% ethanol the standard in all unleaded gasoline offers, where right now, E10 is what you get at the pump.
I'm neutral about ethanol, but I'd rather see fuel revenue go to American farmers rather than to countries that don't like us.
I'm neutral about ethanol, but I'd rather see fuel revenue go to American farmers rather than to countries that don't like us.
Senior User
Joined: Dec 2002
Posts: 151
Likes: 0
From: LAS VEGAS USA
i used to run it because it WAS cheap, 2.29 gal. now its up to 2.69 a gallon here in vegas, only 15c cheaper then 87. at 2.29 it was worth it but not if its any more then that. the mpg are horrible running the e85 anyway. 9mpg for e85 as suppose to 13-14ish around town for the 87.
2010 f-150 sc 4x4 3.55 gears 8k miles
2010 f-150 sc 4x4 3.55 gears 8k miles
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