 | Home > V8 > Is E10 ok in a 3.9? |
 
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| Rupert605 Member Since: 27 Dec 2020 Location: Royal Wootton Bassett Posts: 12   
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Depends on the age; according to the government website they think it will be ok for Landies after 1996: https://check-vehicle-compatibility-e10-pe...ic2GDtNUB0 "E10 petrol is cleared for use in all Land Rover vehicles with petrol engines starting from model year 1996. Older vehicles should continue to use E5."
The "super" grades will remain E5, and Esso supreme is actually E0 according to their website: "Although our pumps have E5 labels on them, our Synergy Supreme 99 is actually ethanol free (except, due to technical supply reasons, in Devon, Cornwall, the Teesside area, Scotland and NW England). Rupert Defender 50th GB165 Discovery 200 Tdi 1990 (gone) |
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23rd May 2022 7:22am |
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| camelman Member Since: 27 Feb 2013 Location: Peak District Posts: 3373
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For 1 Tank you'll be fine. It can cause rubber reals and gaskets to perish if they're not the newer 'resistant to ethanol' but I doubt it's going to cause an issue with a single tank.
Even most garages 'super unleaded' has 5% ethanol in these days  |
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23rd May 2022 7:33am |
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| discomog Member Since: 09 May 2015 Location: Notts/Lincs Border Posts: 2530 
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I always put super unleaded in my 3.5, preferably Esso Synergy Supreme 99 when I can get it. Defender 90XS SW
Mini Countryman Cooper S Morgan Plus 8 |
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23rd May 2022 5:17pm |
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| MercianRover Member Since: 07 Apr 2022 Location: Culworth Posts: 141 
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Injector seals and the pressure regulator are other items worth considering as E10 compatibility risks - I am not sure if the regulator has a rubber diaphragm or a thin metal one.
This is a useful resource for the fuel hoses: http://www.volksbolts.com/faq/fuelhose.htm Alternating between E10 / E5 is the stop-gap I am using. |
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24th May 2022 7:49am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17454 
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Don't forget the acid rot issue will also be greater with E10 than E5, possibly less of an issue with a plastic tank though.
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24th May 2022 8:06am |
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| Van Diesel Member Since: 12 Oct 2013 Location: Suffolk Posts: 177 
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Tempted to put a dollop of this in as it's only a Sunday vehicle so takes me a little time to clear a tank.
https://www.halfords.com/motoring/engine-o...81494.html |
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24th May 2022 4:53pm |
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| Van Diesel Member Since: 12 Oct 2013 Location: Suffolk Posts: 177
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Not sure now. Having a read about that Wynns additive, it says suitable for E10 compatible vehicles. Being a 1993 engine on mine it's not.
Used to use octane booster when I wanted to 'upgrade' my fuel for events but this won't dilute the E10 contents. Maybe i'll top it up with super instead to dilute it a bit? |
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24th May 2022 6:39pm |
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