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E10 (Ethanol) fuel

Discussion in 'Problems, Fixes, Tips...' started by baobab68, Jul 23, 2015.

  1. baobab68

    baobab68 Copenworld Member

    Joined:
    May 23, 2014
    Location:
    Sydney Australia
    Car(s):
    Toyota Echo, Copen 0.7L
    Hi all

    Here in Australia we have a variant of fuel called E10. It contains 10% ethanol and 90% unleaded petrol, and so is a whole lot cheaper.

    The manual says to use Octane 90 or higher, unleaded. Not sure if Octane refers to the percentage of petrol vs "other" fuel content.

    I'm wondering if it's safe to use in my 659CC Copen? I drive my Buzz for a living, so I cover a lot of km each week.
     
  2. Pitti

    Pitti Copenworld Newbie

    Joined:
    Jul 28, 2011
    Location:
    Germany
    Car(s):
    LHD Copen 1.3
    The turbomotor is not suitable for E10.
     
  3. baobab68

    baobab68 Copenworld Member

    Joined:
    May 23, 2014
    Location:
    Sydney Australia
    Car(s):
    Toyota Echo, Copen 0.7L
    Ah, ok...I'm glad I checked...the turbo is the part of the car I am most protective of!
     
  4. Binz

    Binz Copenworld Regular

    Joined:
    Apr 27, 2012
    Location:
    North Hampshire
    Car(s):
    Copen (plus Suzuki VanVan and Honda CRV)
    octane is not a direct measure of petrol v 'other' components. You can have, say, 95 or 97 octane number with just conventional petrol, while Tescos have sold 99 octane number petrol with bioethanol in it.

    Octane number is a measure of how similar a fuel is to pure octane (octane is a hydrocarbon with 8 carbon atoms and 18 hydrogen). Petrol is actually a blend of many different hydrocarbons and that blend will determine if the octane number is 95, 97, etc.

    I do not know what impact different octane numbers will have on turbos.

    However, high bioethanol blends can have an impact of some of the materials in some fuel systems. http://www.theaa.com/motoring_advice/news/biofuels.html
     
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