Yeah, but it's not really 106 octane fuel. The BTU's are a lot less than real high octane fuel so if you adjusted the timing to take advantage of the 106 you'd still get your rearend handed to you by someone running real high octane in their tank. It's NOT the same stuff you can get at the airports.
avgas is not a safe option either. they call it 100LL (low lead). that is likely the fastest way to destroy a cat out there. there are a few guys in Fort Collins running E-85 converted subarus that are pretty quick. one of them is a forester running 20+ psi and i may as well have been chained to a post. octane is a measurement of resistance to detonation, no? sure you need more, but running more timing and higher cylinder pressures usually nets more power. not to mention it runs cooler.
Colorado uses Alcohol as a replacement for MTBE, that stuff was evil.
Colorado uses Alcohol as a replacement for MTBE, that stuff was evil.
They don't do that on this side of the divide. Most stations are alcohol free here in the summer except for the off brand, cheap gas stations. They put alcohol in in the winter because winter gas is different than summer gas. I suppose it needs a lower flashpoint and helps keep water out of the system in the winter. I have to switch to a lower octane tune to run the 91 octane winter gas otherwise I get pinging.
Leaded gas was never a problem prior to the Mustang. All the other vehicles either had the cats cored or removed.
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They don't do that on this side of the divide. Most stations are alcohol free here in the summer except for the off brand, cheap gas stations. They put alcohol in in the winter because winter gas is different than summer gas. I suppose it needs a lower flashpoint and helps keep water out of the system in the winter. I have to switch to a lower octane tune to run the 91 octane winter gas otherwise I get pinging.
Leaded gas was never a problem prior to the Mustang. All the other vehicles either had the cats cored or removed.
lead also coats the O2 sensors, rendering them useless.
i have noticed almost 20% increase in mileage when i run premium vs. regular gas (since we do not sell leaded gas anymore, i call 85 octane regular).
just about every pump in the 9 county area (read that "Fort Collins to Colorado Springs") sells E-10. i had one Shell here that sold 100% petroleum, they closed up in june...
Even after seeing the data showing that you get fewer mpg and power and it's more expensive to use? Why not just trade it in and get a Ford Escort or a Hyundai then?
I am looking at the long term. Things will get better with E85. Even if you have to buy an extra 1-2 gallons just to get the same out of normal gas. It still costs less if you are paying $3.00 for E85 and $3.50 for Gas.
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It all depends on where you live. There are some places that have nothing but the 10%. Here in Norman almost everyone is going back to 100% gas. The only stations that are using the 10% are 7-11's and Wal-Mart's.
Briggs & Stratton makes ethonal test kits. A [lawnmower] mechanic I know uses this kit on mowers that are having problems. He found 7-11 to have almost 20% at times and Wal-Mart was closer to 10%.
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I don't recommend anyone putting E85 in their car unless they tune for it. Granted I can tune for it. You can run a very radical timing curve with it and get away with it resulting in more power because of the high octane level. It also will make your EGT's lower, so there is more room for error for someone like me with a turbo... But what everyone may or may not know it that E85 will require larger injectors. If you are close to the limit of your fuel system, you WILL require an upgrade. I have 675cc injectors on my car and they will flow about 775cc's at the fuel pressure I run (4 bar)... At 775cc's that's about a 75lb per hour injector. I will run out of fuel if I tried running straight E-85 with a 255LPH pump... The limiting factor for me right now is the injectors. I require at least a 900cc injector to keep the car safe.
I don't recommend anyone putting E85 in their car unless they tune for it. Granted I can tune for it. You can run a very radical timing curve with it and get away with it resulting in more power because of the high octane level. It also will make your EGT's lower, so there is more room for error for someone like me with a turbo... But what everyone may or may not know it that E85 will require larger injectors. If you are close to the limit of your fuel system, you WILL require an upgrade. I have 675cc injectors on my car and they will flow about 775cc's at the fuel pressure I run (4 bar)... At 775cc's that's about a 75lb per hour injector. I will run out of fuel if I tried running straight E-85 with a 255LPH pump... The limiting factor for me right now is the injectors. I require at least a 900cc injector to keep the car safe.
very good point. i would like to add that if your not running boost or high compression then you will never get the benefits from e85.
it would be like running race fuel in a stock stang.
if you are running boost then why wouldnt you run e85 on the days your going to the track?
HOT DAMN!!! I just rechecked that site that 3B gave a link to and there's an E85 station about 2 miles from my new office. I'm down to just a hair over a quarter tank. My Explorer is a Flex Fuel vehicle and historically has an average gas milage of 18.5. I'll run a few tanks of E85 and post up the results.
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Sometimes I think that government fits that old-fashioned definition of a baby: An alimentary canal with an appetite at one end and no sense of responsibility at the other.
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Using this site I found that Fort Lewis in Washington state sells E85. The thing is that its not posted as E85 and sells for the same price as regular gas. I now know why my pony runs like **** on it. Question is dont the gas station have to post thats its E85 for the flexfuel cars, and is AAFE risking screwing peoples warranties putting the wrong fuel in there cars. As well as charging the price as though its regular fuel while E85 is less expensive.
I filled up on E85 this afternoon on the way home from work. It was only 10 cent a gallon less than E10. So far the truck is running reat on it, no missing at idle and it doesn't seem to be down on power either.
I have noticed a tendency for the truck to NOT downshift as easily as it has in the past. I just noticed it today so I'm not sure if it's due to the E85 or if the tech at the dealership reflashed my PCM while they had it for a harmonic balancer and crank position sensor replacement. I'm trying to find out about that this evening. If the dealership reflached my PCM, I'll have to throw out my previous gas mileage numbers and start from scratch.
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Sometimes I think that government fits that old-fashioned definition of a baby: An alimentary canal with an appetite at one end and no sense of responsibility at the other.
- Ronald Reagan
