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Author Topic: Terrible MPG  (Read 2344 times)

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omegod

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Terrible MPG
« on: 11 January 2013, 09:29:56 »
Just done some calcs, 230 miles using 72 litres opf LPG = 14 mpg  :o :o mainly bobbing to work on a very short motorway run and pottering about but still seems crap.

Will give it a service and see if it improves  :(

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zirk

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Re: Terrible MPG
« Reply #1 on: 11 January 2013, 09:40:13 »
Which Engine?, I can get 21 to 24 mpg on LPG from a 3.2 Manual in and out of London.
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albitz

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Re: Terrible MPG
« Reply #2 on: 11 January 2013, 09:54:08 »
Quote from: zirk on 11 January 2013, 09:40:13
Which Engine?, I can get 21 to 24 mpg on LPG from a 3.2 Manual in and out of London.

Theres the answer. ;)
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Kevin Wood

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Re: Terrible MPG
« Reply #3 on: 11 January 2013, 09:55:22 »
Low 20's is about right for a 3.2 auto, though. You should be getting better economy than that.

What LPG system do you have?

"Professionally" installed? ::)
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albitz

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Re: Terrible MPG
« Reply #4 on: 11 January 2013, 09:58:14 »
Agreed.v6 auto,town driving I would expect high teens running on lpg,possibly just into the low 20,s. :y
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Lazydocker

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Re: Terrible MPG
« Reply #5 on: 11 January 2013, 11:34:25 »
Does sound a bit low... I manage 230 miles from 64L of LPG driving "Enthusiastically" on town and fast A roads with lots of roundabouts all day, every day. A little more if driven sensibly and/or on a run. And I know mine is running a little cool as it needs a new stat... It's opening and closing but a little lazy so runs cool ::)

Does your car get up to temperature properly?
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tunnie

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Re: Terrible MPG
« Reply #6 on: 11 January 2013, 16:34:56 »
I'm not happy unless i get at least 400 miles from 68L of gas!  ;D
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omegod

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Re: Terrible MPG
« Reply #7 on: 11 January 2013, 17:06:05 »
Quote from: zirk on 11 January 2013, 09:40:13
Which Engine?, I can get 21 to 24 mpg on LPG from a 3.2 Manual in and out of London.

3.0 auto
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Lazydocker

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Re: Terrible MPG
« Reply #8 on: 11 January 2013, 19:01:59 »
Quote from: tunnie on 11 January 2013, 16:34:56
I'm not happy unless i get at least 400 miles from 68L of gas!  ;D

But you drive a Desmond slower than my Great Grandmother ::)
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tunnie

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Re: Terrible MPG
« Reply #9 on: 12 January 2013, 09:09:09 »
Quote from: Lazydocker on 11 January 2013, 19:01:59
Quote from: tunnie on 11 January 2013, 16:34:56
I'm not happy unless i get at least 400 miles from 68L of gas!  ;D

But you drive a Desmond slower than my Great Grandmother ::)

MotherT says I drive fast  :o
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TheBoy

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Re: Terrible MPG
« Reply #10 on: 12 January 2013, 10:07:34 »
Quote from: Kevin Wood on 11 January 2013, 09:55:22
Low 20's is about right for a 3.2 auto, though. You should be getting better economy than that.

What LPG system do you have?

"Professionally" installed? ::)
I can't get more than 17-18mpg from my 3.2  ???

I get about 19-20mpg from the 3.0, and its driven harder.
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TheBoy

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Re: Terrible MPG
« Reply #11 on: 12 January 2013, 10:08:15 »
Quote from: tunnie on 12 January 2013, 09:09:09
Quote from: Lazydocker on 11 January 2013, 19:01:59
Quote from: tunnie on 11 January 2013, 16:34:56
I'm not happy unless i get at least 400 miles from 68L of gas!  ;D

But you drive a Desmond slower than my Great Grandmother ::)

MotherT says I drive fast  :o
Remind me why she insists on a >3.0l engine?
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tunnie

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Re: Terrible MPG
« Reply #12 on: 12 January 2013, 10:09:35 »
Quote from: TheBoy on 12 January 2013, 10:08:15
Quote from: tunnie on 12 January 2013, 09:09:09
Quote from: Lazydocker on 11 January 2013, 19:01:59
Quote from: tunnie on 11 January 2013, 16:34:56
I'm not happy unless i get at least 400 miles from 68L of gas!  ;D

But you drive a Desmond slower than my Great Grandmother ::)

MotherT says I drive fast  :o
Remind me why she insists on a >3.0l engine?

Don't ask me  ::)
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tunnie

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Re: Terrible MPG
« Reply #13 on: 12 January 2013, 10:14:41 »
Quote from: TheBoy on 12 January 2013, 10:07:34
Quote from: Kevin Wood on 11 January 2013, 09:55:22
Low 20's is about right for a 3.2 auto, though. You should be getting better economy than that.

What LPG system do you have?

"Professionally" installed? ::)
I can't get more than 17-18mpg from my 3.2  ???

I get about 19-20mpg from the 3.0, and its driven harder.

Usually LPG gets what, 20% lower than petrol?

My 2.2, would get 30/32 ish on average on petrol. Get 24/25 ish on LPG, have seen 27mpg on very long runs.

So with my 3.2, i get 27mpg average usually, so should expect around 20mpg on gas  :-\

 :-\ :-\
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TheBoy

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Re: Terrible MPG
« Reply #14 on: 12 January 2013, 10:27:11 »
Quote from: tunnie on 12 January 2013, 10:14:41
Quote from: TheBoy on 12 January 2013, 10:07:34
Quote from: Kevin Wood on 11 January 2013, 09:55:22
Low 20's is about right for a 3.2 auto, though. You should be getting better economy than that.

What LPG system do you have?

"Professionally" installed? ::)
I can't get more than 17-18mpg from my 3.2  ???

I get about 19-20mpg from the 3.0, and its driven harder.

Usually LPG gets what, 20% lower than petrol?

My 2.2, would get 30/32 ish on average on petrol. Get 24/25 ish on LPG, have seen 27mpg on very long runs.

So with my 3.2, i get 27mpg average usually, so should expect around 20mpg on gas  :-\

 :-\ :-\
Hell knows, I can't drive like you.
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