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Re: What Octane Fuel Do You Use
[Re: Louis]
#1650370
24/04/2021 12:54
24/04/2021 12:54
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Joined: Feb 2019
Posts: 301 Free State of Jones
clanger
Making a profit
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Making a profit
Joined: Feb 2019
Posts: 301
Free State of Jones
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99 allows you to run more ignition advance, turbo cars are typically ignition limited. The Coupe has a conservative ignition map and cannot advance beyond it to take advantage of the increased octane (improved anti knock) so a non modified car will be OK on 95 or even 95 E10. I have always found however most cars feel like they run smoother with 98, the "but dyno" however is notoriously unreliable.
E85
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Re: What Octane Fuel Do You Use
[Re: Louis]
#1650372
24/04/2021 14:08
24/04/2021 14:08
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Joined: Dec 2005
Posts: 3,610 S. Wales. Way beyond my means
Gripped
Club member 1924
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Club member 1924
Forum is my job
Joined: Dec 2005
Posts: 3,610
S. Wales. Way beyond my means
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My VIS was remapped on 97. In hot weather it doesn't like 95 Ron.. It pinks a bit.. So I try and use either tesco 99 or 97.
Last edited by Gripped; 24/04/2021 14:11.
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Re: What Octane Fuel Do You Use
[Re: Louis]
#1650460
27/04/2021 22:13
27/04/2021 22:13
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Joined: Mar 2007
Posts: 16,863 Auld Reekie
Edinburgh
Club President, member225
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Club President, member225
Forum veteran
Joined: Mar 2007
Posts: 16,863
Auld Reekie
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Extract from European Automobile Manufacturers Association E10 compatibility list, Aug. 2018. From what I've read it doesn't suit turbocharged engines...
Fiat: E10 petrol is cleared for all Fiat vehicles with petrol engines of Euro 3 emission levels or newer, starting from model year 2000, except the following vehicles: • Barchetta: 1.8 16V • Bravo/Brava (182): 1.6 16V • Doblò: 1.6 16V • Marea: 1.6 16V, 2.0 16V • Multipla: 1.6 16V • Palio: 1.6 16V • Punto (188): 1.8 16V • Stilo: 1.6 16V (1.596 cm3), 1.8 16V, 2.4 20V
BumbleBee carer
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Re: What Octane Fuel Do You Use
[Re: Louis]
#1650465
28/04/2021 07:13
28/04/2021 07:13
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Joined: Jul 2007
Posts: 631 Bulgaria
french_coupe
Club member 773
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Club member 773
Enjoying the ride
Joined: Jul 2007
Posts: 631
Bulgaria
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I have been running on E10 for years in Europe and haven’t had any issues at all. There was a thread on this recently and others living in Europe report the same.
lost in space
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Re: What Octane Fuel Do You Use
[Re: Louis]
#1650466
28/04/2021 07:44
28/04/2021 07:44
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Joined: Feb 2017
Posts: 203 Tasmania
Grigio
Making a profit
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Making a profit
Joined: Feb 2017
Posts: 203
Tasmania
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How is your octane number assessed? Is RON used, or MON? In OZ we use ((MON+RON)/2) I believe. I run 98 in my coupe, 95 doesn't seem to agree with it, especially in summer.
2000 grigio moon 20VT Plus.
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Re: What Octane Fuel Do You Use
[Re: Edinburgh]
#1650467
28/04/2021 09:24
28/04/2021 09:24
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Joined: Dec 2005
Posts: 1,552 Motherwell - Scotland
Rosso
Club board member 1442
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Club board member 1442
My life on the forum
Joined: Dec 2005
Posts: 1,552
Motherwell - Scotland
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Extract from European Automobile Manufacturers Association E10 compatibility list, Aug. 2018. From what I've read it doesn't suit turbocharged engines...
Fiat: E10 petrol is cleared for all Fiat vehicles with petrol engines of Euro 3 emission levels or newer, starting from model year 2000, except the following vehicles: • Barchetta: 1.8 16V • Bravo/Brava (182): 1.6 16V • Doblò: 1.6 16V • Marea: 1.6 16V, 2.0 16V • Multipla: 1.6 16V • Palio: 1.6 16V • Punto (188): 1.8 16V • Stilo: 1.6 16V (1.596 cm3), 1.8 16V, 2.4 20V I've read nothing to confirm either way if E10 should be used on any coupé. Interesting to see that E10 looks to be used on coupé owners in Europe with no issues. I cant remember what fuel I was putting in either coupés going to Italy. But is E5 available in Europe or is it only E10? I kept all my old fuel receipts from last years trip so I'll be checking them to see wether I have been running it on E10. According to government E10 checker I can run my 1.4 turbo abarth on E10 but as you have posted above Simon the coupé ain't on that list.
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Re: What Octane Fuel Do You Use
[Re: french_coupe]
#1650468
28/04/2021 09:31
28/04/2021 09:31
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Joined: Feb 2019
Posts: 301 Free State of Jones
clanger
Making a profit
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Making a profit
Joined: Feb 2019
Posts: 301
Free State of Jones
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I have been running on E10 for years in Europe and haven’t had any issues at all. There was a thread on this recently and others living in Europe report the same. We moved our cars over to E10 about 18 months ago without issue, a very slight increase in consumption is all we have seen. There is no reason E10 cannot be used in turbo cars in fact due to the greater knock resistance of ethanol it is perfectly suitable. On the Coupe the FRA (LTFT) figure might go a little positive to accommodate the small additional fuel requirement and obviously if the car has been remapped that's a different issue but a standard car will be fine. I'm running the Coupe on E85 (remapped) with considerable ignition advance that would be impossible with 98/99.
E85
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Re: What Octane Fuel Do You Use
[Re: Louis]
#1650506
29/04/2021 08:44
29/04/2021 08:44
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Joined: Feb 2019
Posts: 301 Free State of Jones
clanger
Making a profit
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Making a profit
Joined: Feb 2019
Posts: 301
Free State of Jones
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Approx 5-6% ethanol has been added to petrol since the late 90's. Adding another 4-5% is hardly going to cause a component problem now. Besides that, there are coupes in France that have been running on E85 for 10+ years without a single ethanol related problem.
The Fiat list like all the other manufacturers is simply commercial backside covering.
Regarding the overblown ethanol/rubber issue, France has seen a massive uptake in the use of E85, the 98 pumps are being replaced with either E10 or E85 and 98 is become more difficult to find in a lot of regions. The huge uptake has partly been driven by flex fuel vehicles and "flex boxes" but mostly by people discovering that they can fill their tank with a 50/50 E85/E10 mix without problem - including bangers going back to the 90's.
E85
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Re: What Octane Fuel Do You Use
[Re: Gripped]
#1650572
01/05/2021 12:36
01/05/2021 12:36
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Joined: Dec 2005
Posts: 1,723 Brisbane, Australia
Possum
My life on the forum
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My life on the forum
Joined: Dec 2005
Posts: 1,723
Brisbane, Australia
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I once put Redex in the spark plug holes (as recommended for an extra clean) and the smoke from the exhaust was unbelievable. It was worse than a James Bond smoke screen. Reminds me of when a mate and I used to compete in a "Charity Rally"; we had a smoke maker where we could inject automatic transmission fluid directly into the engine pipe on the exhaust. It produced a lovely cloud of white smoke! We certainly had fun with it.
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