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Aug 24th, 2023
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Joined: Jun 2015
Posts: 1,952 Likes: 41
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Jun 2015
Posts: 1,952 Likes: 41 |
As I drive my auto like 'Miss Daisy', I am getting well over 50 mpg and about 300 miles per tank. A word of warning; the fuel consumption meter overreads by at least 10%. My fuel calculations come from filling to the brim and checking miles done since last fill. I rarely drive over 60 mph. Moreover, in response to CooperMan's comment about range anxiety, I have no worries and, unlike charging an EV, we can fill our fuel tanks in 5 minutes. My chum in his Porsche Taycan takes one hour; assuming he can find a charging point available. This is all assuming the odometer is reading accurately of course. if the fuel consumption meter is apparently incorrect, it could be getting duff inputs on mileage travelled, which in turn of course could also affect your own calculations.
Doug
2011 Plus 4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
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Joined: Jan 2022
Posts: 91 Likes: 2
Just Getting Started
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Just Getting Started
Joined: Jan 2022
Posts: 91 Likes: 2 |
As I drive my auto like 'Miss Daisy', I am getting well over 50 mpg and about 300 miles per tank. A word of warning; the fuel consumption meter overreads by at least 10%. My fuel calculations come from filling to the brim and checking miles done since last fill. I rarely drive over 60 mph. Moreover, in response to CooperMan's comment about range anxiety, I have no worries and, unlike charging an EV, we can fill our fuel tanks in 5 minutes. My chum in his Porsche Taycan takes one hour; assuming he can find a charging point available. This is all assuming the odometer is reading accurately of course. if the fuel consumption meter is apparently incorrect, it could be getting duff inputs on mileage travelled, which in turn of course could also affect your own calculations. My speedometer and odometer is correct against GPS!
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Joined: Aug 2013
Posts: 15,794 Likes: 14
Formerly known as Aldermog Member of the Inner Circle
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Formerly known as Aldermog Member of the Inner Circle
Joined: Aug 2013
Posts: 15,794 Likes: 14 |
Slight Drift Warning.... I have recently changed to buying Esso Premium unleaded. Why? The pump is labelled E5, BUT according to the ESSO web site: "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, North Wales, North England and Scotland). Legislation requires us to place these E5 labels on pumps that dispense unleaded petrol with ‘up to 5% ethanol’, including those that contain no ethanol, which is why we display them on our Synergy Supreme+ 99 pumps." https://www.esso.co.uk/en-gb/fuels/petrolI have noticed an improvement in MPG, by about 10%. The cars seem to be running better, too. I know Morgan cars do not need 99 Octane fuel, but if there is an ESSO station near you it may be worth a try.
Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...
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Joined: Dec 2008
Posts: 21,866 Likes: 167
Roadster Guru Member of the Inner Circle
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Roadster Guru Member of the Inner Circle
Joined: Dec 2008
Posts: 21,866 Likes: 167 |
I recorded this a while ago Peter when I had to use BP. The pump said E10, but the mpg was significantly better. Since then I've used BP E5 and Esso E5 with the same result. I normally use Shell E5.
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Jun 2015
Posts: 1,952 Likes: 41
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Jun 2015
Posts: 1,952 Likes: 41 |
I have long used Esso for the same reasons. Also at my local Esso, I can trade 300 Nectar points for 5p/litre money off, which is profitable as long as I buy over 30 litres.
Doug
2011 Plus 4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
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Joined: Jun 2015
Posts: 1,952 Likes: 41
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Jun 2015
Posts: 1,952 Likes: 41 |
As I drive my auto like 'Miss Daisy', I am getting well over 50 mpg and about 300 miles per tank. A word of warning; the fuel consumption meter overreads by at least 10%. My fuel calculations come from filling to the brim and checking miles done since last fill. I rarely drive over 60 mph. Moreover, in response to CooperMan's comment about range anxiety, I have no worries and, unlike charging an EV, we can fill our fuel tanks in 5 minutes. My chum in his Porsche Taycan takes one hour; assuming he can find a charging point available. This is all assuming the odometer is reading accurately of course. if the fuel consumption meter is apparently incorrect, it could be getting duff inputs on mileage travelled, which in turn of course could also affect your own calculations. My speedometer and odometer is correct against GPS! That’s good news. I have often wondered though just how accurate mpg meters might be. First, there is the issue of accurately measuring the volume of fuel used. Secondly, everything naturally has an error margin, but it is much in the vehicle manufacturers’ interest to aim for errors on the plus side only! Maybe I am too sceptical.
Doug
2011 Plus 4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
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Joined: Mar 2009
Posts: 11,220 Likes: 159
Smile, it confuses them Member of the Inner Circle
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Smile, it confuses them Member of the Inner Circle
Joined: Mar 2009
Posts: 11,220 Likes: 159 |
I have tried a couple of different ways.
1. Brim to brim on filling as well with note of mileage.
2. mpg thingy on MB dash read out.
3. iPhone app speaking to ELM toggle thing attached to OBDII port
The differences were around 10-15% so I did a couple of journeys using all of them.
This was on the ML63 with a V8 lump with a severe petrol problem, changes are easy to spot on lower numbers
Brim-Brim 20.4mpg
The car's own MPG display 19.7mpg
OBDII 20.2mpg
I guess the Brim figure can change with heat, nozzle etc. I was surprised the car gave a lower figure than the OBD given they must be using the same data? Maybe they don't want mileagegate?
I am guessing that they use the engine management computer to follow the petrol injection information? So if the tyres are wrong or inflation out it could make a difference.
Either way I need to get less well acquainted with the loud pedal.
Everyone loves a Morgan. Even me, unless it's broken again.
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Joined: Aug 2013
Posts: 15,794 Likes: 14
Formerly known as Aldermog Member of the Inner Circle
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Formerly known as Aldermog Member of the Inner Circle
Joined: Aug 2013
Posts: 15,794 Likes: 14 |
Either way I need to get less well acquainted with the loud pedal.
No, no, not that. Enjoy the excess. One of the few pleasures left....for now.
Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...
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Joined: Dec 2009
Posts: 35,776 Likes: 468
Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 35,776 Likes: 468 |
I have tried a couple of different ways.
1. Brim to brim on filling as well with note of mileage.
2. mpg thingy on MB dash read out.
3. iPhone app speaking to ELM toggle thing attached to OBDII port
The differences were around 10-15% so I did a couple of journeys using all of them.
This was on the ML63 with a V8 lump with a severe petrol problem, changes are easy to spot on lower numbers
Brim-Brim 20.4mpg
The car's own MPG display 19.7mpg
OBDII 20.2mpg
I guess the Brim figure can change with heat, nozzle etc. I was surprised the car gave a lower figure than the OBD given they must be using the same data? Maybe they don't want mileagegate?
I am guessing that they use the engine management computer to follow the petrol injection information? So if the tyres are wrong or inflation out it could make a difference.
Either way I need to get less well acquainted with the loud pedal. Thank you that has made me feel so much better with my 23mpg, brim to brim with E5  Keep the faith  keep it planted 
2009 4/4 Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Connaught Green +8 prev
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Joined: Nov 2015
Posts: 7,894 Likes: 241
Just barreling along Talk Morgan Guru
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Just barreling along Talk Morgan Guru
Joined: Nov 2015
Posts: 7,894 Likes: 241 |
Keep the faith keep it planted I never realised you liked gardening
Jon M
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