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Old 26th February 2021, 08:52   #11
torque2me
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Originally Posted by macafee2 View Post
I rang Sthil about my petrol combi motor, they did not have a clue about E10.

macafee2
Good call MacAfee! Most of us will just wonder about our other "classic" vehicle(s). Lawn mowers, cement mixers, generators ect., ect, all come into the equation but I guess the newer the manufacturing date the more likely it will be o.k.

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Old 26th February 2021, 12:30   #12
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Originally Posted by Dorchester2 View Post
Since nearly 4 years & 30k km (around 20k mls) I'm filling the tank with E85 (octane 105) without any problem at all.
.................Hence have no fear gents!
I'm not famiiar with E85 . Am I right in thinking it would be even more agressive to our cars than E10 ?
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Old 26th February 2021, 18:47   #13
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There is a Government Check site to see if your vehicle can use E10, It says....."No compatibility information for Rover cars is available as the manufacturer no longer trades. It is therefore not recommended to use E10 petrol" https://www.gov.uk/check-vehicle-e10-petrol
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Old 27th February 2021, 03:04   #14
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Originally Posted by Lancpudn View Post
There is a Government Check site to see if your vehicle can use E10, It says....."No compatibility information for Rover cars is available as the manufacturer no longer trades. It is therefore not recommended to use E10 petrol" https://www.gov.uk/check-vehicle-e10-petrol
SAAB is also no longer trading and they display information for their vehicles ?
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Old 27th February 2021, 07:49   #15
Dorchester2
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Originally Posted by chris75 View Post
I'm not famiiar with E85 . Am I right in thinking it would be even more agressive to our cars than E10 ?
E85 isn't agressive. If It had been so my three engines would have suffered troubles.
It's an urbain legend. Plenty of E85 here in France and more and more people are fuelling with E85 essentially because it's cheaper. Every car mate since 1990 around is able to accept it and I know several guys who are using E85 since years.
The truth is it can clear the engine of cr.p but without any damage. It looks then efficient and useful.
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Rover 75 V6 2.5 Auto Connie born 1 July 1999, 24 kOhms resistor, 10 kOhms manual starter, full E85, modified airbox, full derestricted SS exhaust line, power & torque remap -> 202 bhp
  • This vehicle was the 7,517th 75 to run off the production line, out of 112,381
  • This vehicle was the 1,190th 75 2.5 V6 Contemporary to be made out of 8,214
  • This vehicle was the 2,032nd 75 in Atlantic Blue Pearlescent (code: JEY) to be made out of 2,572 Atlantic Blue Pearlescent 75s

Last edited by Dorchester2; 28th February 2021 at 07:54..
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Old 28th February 2021, 13:48   #16
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I looked on Briggs & Stratton's website this morning regarding my lawn mower & it was a bit confusing It says E10 petrol is acceptable in their petrol mower engines but further looking on their website it says...... ethanol-blended fuels like E10 can lead to rust or corrosion within your engine if the fuel is not treated with a fuel stabilizer.
So we need a fuel stabiliser now!!!
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Old 28th February 2021, 14:48   #17
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I cannot use fuels for my Daytona containing ethanol as it has a plastic fuel tank.
On E5, let alone E10, they end up looking like this:



As well as paint bubbling they can also swell up and deform.

I use Esso Supreme which is ethanol free in my neck of the woods.
They have recently launched Esso Supreme 99, which is also ethanol free.
Info here and here.

I am going to continue to use that in my bike, lawn mower and brush cutter.

The way things are going, in the future I will probably have to get something like this

http://www.ethanil.co.uk/
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Old 28th February 2021, 21:59   #18
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Our cars have plastic fuel tanks ! They seem to have survived E5 ok however
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Old 28th February 2021, 22:44   #19
Dorset Bob
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Originally Posted by chris75 View Post
Our cars have plastic fuel tanks ! They seem to have survived E5 ok however
Agreed, plastic fuel tanks are commonplace .

The issue is that there are different types of plastic, some are ok with ethanol and others are not.
Dorchester2 has not had any problems and I suspect it wouldn't be an issue for our cars.
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Old 1st March 2021, 08:23   #20
Dorchester2
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Dorset Bob is right but to be perfectly clear and comprehensive to all, I can say that corrosion problems might (might and not should!) occur provided the three conditions below are meeting at the same time:

- you should have E85 only in your tank (E5 or E10 lost in a tank of 90 or 95% common fuel, that's peanuts!),
- you should leave you tank with less than a quarter charge, the fewer the worse,
- you shouldn't use your car during 6 months at least, preferably one whole year or more

Why?
Ethanol is not at all corrosive but the car being at standstill, and due only to meteorological & natural phenomena (outside temperature & hygrometry), condensation may appear in the nearly empty fuel tank hence that water mixed with the remaining highly ethanol proportioned fuel may produce formic (or methanoic) acid.
Moreover then better to have a plastic tank than a metal one for that reason. Every modern plastic tank is strong enough to be safe.

To make a long story short E5 or E10 will have no detrimental effect at all on our cars. Hence neither tank, nor gaskets, nor hoses you name it could be harmed by so little a proportion. You can sleep well: MG Rover cars and all others since 1990 are absolutely safe.
But in reverse it's useless to say that carburettors & non unleaded fuelled cars should never see a drop of ethanol. They weren't made for that.
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Rover 75 V6 2.5 Auto Connie born 1 July 1999, 24 kOhms resistor, 10 kOhms manual starter, full E85, modified airbox, full derestricted SS exhaust line, power & torque remap -> 202 bhp
  • This vehicle was the 7,517th 75 to run off the production line, out of 112,381
  • This vehicle was the 1,190th 75 2.5 V6 Contemporary to be made out of 8,214
  • This vehicle was the 2,032nd 75 in Atlantic Blue Pearlescent (code: JEY) to be made out of 2,572 Atlantic Blue Pearlescent 75s

Last edited by Dorchester2; 1st March 2021 at 08:25..
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