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Thread: E85 fuel in a mirage

  1. #11
    Senior Member Top_Fuel's Avatar
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    Interesting that you would bump this thread now.

    A local gas station opened up about 6 months ago and started selling 100% gasoline. I haven't seen "real" gas for over 10 years! All gasoline in this area is E10 (10% alcohol/90% gasoline).

    For the last few tanks I have been running 100% gasoline in my Mirage as a test to see if I notice any MPG difference. So far it looks like 100% gasoline is good for close to a 5% increase in fuel economy over E10. The testing continues and I will write something up once I have enough data. If this is the case, the MPG hit you would take by running E85 in a Mirage would be significant.


        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 51.5 mpg (US) ... 21.9 km/L ... 4.6 L/100 km ... 61.9 mpg (Imp)


  2. #12
    Moderator Eggman's Avatar
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    Quote Originally Posted by Top_Fuel View Post
    For the last few tanks I have been running 100% gasoline in my Mirage as a test to see if I notice any MPG difference. So far it looks like 100% gasoline is good for close to a 5% increase in fuel economy over E10. The testing continues and I will write something up once I have enough data. If this is the case, the MPG hit you would take by running E85 in a Mirage would be significant.
    Hey Top_Fuel do you suppose ambient temperatures are affecting this too? Just curious since I don't know when you started your experiment.

    I know it can be tough to control variables.

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 49.9 mpg (US) ... 21.2 km/L ... 4.7 L/100 km ... 59.9 mpg (Imp)


  3. #13
    Senior Member Top_Fuel's Avatar
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    Quote Originally Posted by Eggman View Post
    ...do you suppose ambient temperatures are affecting this too?
    My testing conditions have been pretty consistent so far...including before E10 and after. Fortunately we've had a pretty stable spring as far as temperatures go. I still want to do more testing, but my car is getting its best mileage ever since I started running 100% gasoline.

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 51.5 mpg (US) ... 21.9 km/L ... 4.6 L/100 km ... 61.9 mpg (Imp)


  4. #14
    Senior Member Fummins's Avatar
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    Quote Originally Posted by alex16 View Post
    Just would like to run something that isn't gasoline.
    Then go buy an old mechanical diesel and convert it to run on cooking oil. Or just leave it and burn diesel lol
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    Optima

  5. #15
    Senior Member timw4mail's Avatar
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    Quote Originally Posted by Top_Fuel View Post
    Interesting that you would bump this thread now.

    A local gas station opened up about 6 months ago and started selling 100% gasoline. I haven't seen "real" gas for over 10 years! All gasoline in this area is E10 (10% alcohol/90% gasoline).

    For the last few tanks I have been running 100% gasoline in my Mirage as a test to see if I notice any MPG difference. So far it looks like 100% gasoline is good for close to a 5% increase in fuel economy over E10. The testing continues and I will write something up once I have enough data. If this is the case, the MPG hit you would take by running E85 in a Mirage would be significant.
    Makes sense, since ethanol has less energy than gasoline.


        __________________________________________

        click to view fuel log View my fuel log 2018 Mirage SE 1.2 automatic: 33.6 mpg (US) ... 14.3 km/L ... 7.0 L/100 km ... 40.4 mpg (Imp)


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