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Austinsevenfriends
Continuing to report on using E10 in our A7s - Printable Version

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RE: Continuing to report on using E10 in our A7s - Chris KC - 13-02-2023

As Colin says, ethanol simply doesn't release as much energy when burned as conventional petrol, so mpg must suffer to a small extent; though in fact E10 is a limit rather than a specification, so there may not be much real difference with present forecourt fuels. I suggest this is the least of our worries. I use whatever comes out of the pump and haven't noticed any issues with my cars.

RE: Continuing to report on using E10 in our A7s - Dave Mann - 14-02-2023

For the last 18 months I've had a 2.5 liter paint can with a load of scrap items in a liter of E10 which is kept sealed only being opened for inspection . Today's inspection revealed a number of water globules in the bottom      there is no corrosion of the items yet but there may be a future problem.

RE: Continuing to report on using E10 in our A7s - Ruairidh Dunford - 14-02-2023

Hooray!!!

RE: Continuing to report on using E10 in our A7s - austin - 16-02-2023

Would be interested to see what happens if you do a similar test with a tin with a "breather" hole in it.

The problems we had with E10 are in our Ulster and old lawnmower, both with breather holes / slight leaks in the filler cap.

RE: Continuing to report on using E10 in our A7s - Duncan Grimmond - 16-02-2023

This sounds like an interesting practical lab. test for water content. The only drawback I can see is that there is no representative introduction of air on a regular cycle. While driving and refilling a tank on a car there will be a large change of air/vapour volume when topping up the fuel and as air (25% water vapour) is drawn in through the vented cap as the petrol is drawn out for combustion.