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Thread: Fuel e85

  1. #1
    Join Date
    Jun 2008
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    central coast
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    Lightbulb Fuel e85

    What do ya think of the e85 ethanol fuel a servo at rozelle sydney is selling it 20c cheaper someone said ethanol has higher octane will it work in a gti would a 50/50 mix work would ya get a higher octane blend than say bp98?

  2. #2
    Join Date
    Dec 2006
    Location
    Gold Coast
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    694
    as far as im concerned. e85 is ****.

    I cant run it in my other cars. Doubt you can in a chipped polo. Most probaly can in a stock one.

  3. #3
    Join Date
    Jun 2008
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    central coast
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    Users Country Flag Thread Starter
    My cars not chipped its low km no mods im going to use the money i save towards the next series polo and i hope ill get more $ with my low km.I was just interested in the performance increase if there was one using ethanol.

  4. #4
    Join Date
    Oct 2006
    Location
    Sydney
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    805
    Try it and find out.

  5. #5
    Join Date
    Dec 2006
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    Gold Coast
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    694
    If it pings. Get octane booster. And keep putting fuel in whenever you see a servo. Till it evens itself out.

  6. #6
    Join Date
    Sep 2006
    Location
    Brisvegas
    Posts
    1,508
    my thoughts
    all these figures are pulled form the air but i think will give my opinion.

    Normal Fuel - 400km from 40l of fuel at $1.60 (for aurguemnts sake) is 6.25km per dollar

    E85 gets roughly 30% less km a tank (i heard yesterday) lets make it 25% for this arguement.

    E85 - 300km from 40l of fuel at $1.40 (for aurguemnts sake) is 5.35km per dollar.

    Does this make sense or am i on another planet.

    But finacially although you pay less at the station each time you fill up you have to fill up more often.

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  7. #7
    Join Date
    Nov 2007
    Location
    Brisbane
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    Using e85 in a current Polo (any Polo) will void your warranty. I posted a letter up from VWA here a while ago stating exactly that. Do a search.

    They do not recommend anything with more than 10% ethanol in it as it will damage your engine.

    The also state that unless you use premium (and they identified 98 as premium to them) your warranty will be void. So even 95 is not good enough.

    Use anything less than 98 at your own peril....
    Current: 2023 MY23 T-Roc R Lapiz Blue + Beats Audio + Black pack 2018 MY19 Golf R manual Lapiz Blue + DAP) 2018 MY18 Golf 110TSI (150TSI) Trendline manual White2014 Amarok TSI Red (tuned over 200kw + lots of extras) 2013 Up! manual Red 2017 Polo GTI manual Black Previous VWs and some others ...

  8. #8
    Join Date
    Jan 2008
    Location
    Western Sydney
    Posts
    404
    the only reason to use ethanol 85 is if your a greeny, since it is renewable and less damaging to the environment. the reason you get less mileage is that ethanol contains less chemical energy than petrol. so you also get less performance.

  9. #9
    Quote Originally Posted by Sharkie View Post
    Using e85 in a current Polo (any Polo) will void your warranty. I posted a letter up from VWA here a while ago stating exactly that. Do a search.

    They do not recommend anything with more than 10% ethanol in it as it will damage your engine.

    The also state that unless you use premium (and they identified 98 as premium to them) your warranty will be void. So even 95 is not good enough.

    Use anything less than 98 at your own peril....
    Sorry sharkie, In my 2008 polo GTI it states in the manual and on the fuel cap that 95 is to be used, 91 will ping until the computer gets used to it.

    VWA wouldnt want to void my warranty,

    Post possibly not helpful but....

    Cheers
    Ben
    Silver= Prestige Black=Mean Red=Fast

  10. #10
    Join Date
    Nov 2006
    Location
    Canberra, ACT
    Posts
    944

    Remember the old rule: if you can't afford the (correct) fuel, you can't afford the car
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