LPG conversion

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Aug 11, 2010
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i;ve got to be careful here as i dont what to be playing devil's advocate but its a fact that even the best conversion or indeed factory lpg job in a new car with clearly a clean engine the lpg engine will be 10% worse on fuel mpg really doesnt matter what people think or how many think that way lpg cannot physically give the same mpg as petrol just as petrol engined cars cannot give as good mpg as diesels.now there is a new problem appearing on post 2006 car cocerning lpg damaging seat valve that at least one well know LPG conversion specialist has suspended doing conversions on post 2006 cars... note.Fiat which on the continents has been offering LPG and methonol vehicles for decades shows clealry the difference in performance and economy to differ between the differing fuel options..
link to LPG PROBLEMS
http://www.amrautos.co.uk/index.php/lpg-systems
 
Oct 28, 2006
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That is fact LPG does produce major savings comparing like for like and good luck to everybody that has it fitted,but i still prefer diesel power everytime.
 
Aug 9, 2010
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Quite, Seth. That is exactly what I said a few posts ago: to each his own.
Having had a diesel RR in the past, and petrol one, I'll stick to my LPG, as I'm quite sure Graham will after a couple of years.
 
Oct 28, 2006
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Very interesting Jonny,A good while ago we worked with a company installing a very similar system to MAN vehicles.We didnt get involved in the gas side of things just the installation of the components and making space for them.What i remember it did work well too.Good stuff thanks,i wonder what the price is?
 
Jul 15, 2008
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emmerson is obviously on to a financial winner with the LPG conversion fitted to his 12mpg Range Rover/caravan outfit.

Interesting to note that a modern 500bhp diesel articulated truck that weighs 38 tons and is 55+ feet long,
8 feet wide and 13 feet high ......is capable of returning 10+ mpg.
 
Aug 11, 2010
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seth said:
Very interesting Jonny,A good while ago we worked with a company installing a very similar system to MAN vehicles.We didnt get involved in the gas side of things just the installation of the components and making space for them.What i remember it did work well too.Good stuff thanks,i wonder what the price is?
hi seth never delved that deep into it but i suppose it would be a slightly trickier set up so might cost a little more, its something i would seriously consider at a latter date, if the technology was upped slightly, knowinging i intended to keep a car 5 or 6 years. i see many benefits firstly a cleaner diesel engine/egr valve sensors exhaust dpf ect ect, an improvement in performance, but not going mad better mpg. the down side having to fill up two tanks diesel and lpg but the lpg tank wouldnt have to be as big as one on a petrol car i assume as the mix is what 4 to 1 in diesel favour... have read some reports that it is tricky to set up and there can be problems if not done correctly ie torque band and revs, but i did follow a few stories at the beginning of this century on VW forums of good gains in both power and mpg but as no one wrote long term about reliability i'll wait a little longer.....
 
Aug 4, 2004
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emmerson said:
Surfer, I just don't understand what you are saying! I have produced figures to prove my points.
How many LPG cars have you run or converted?
How many thousand miles have you driven on LPG?
Your views are precisely what I told Graham in my first post,ie, that he would get lots of bar -room experts who will tell him why he shouldn't have done it.
I'll throw out the same challenge that I normally do when faced with your arguments: come and see!
Arrange your own time and date to drive my car, and meet other LPG users, and also meet the best LPG converter in the UK.
After that, buy your own LPG car, then offer your fatuous criticisms.
In the meantime, Graham and I, and many thousands of others will continue to smile smugly as we save lots of money!

There you go jumping in with both feet planted firmly in the mouth. I did state that i had driven LPG cars. I did state that it was Vuaxhall that monitored the consumption. I never said I was a bra room expert as I only gave my own experience of driving LPG cars. I never knock the LPG conversion at any time!
When you get off your high horse and read my posts properly, you will see that I agree with the conversion. However if you are so defensive about it maybe there is something you are not telling us!
 
Aug 9, 2010
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Surfer, I picked up on your comment that "break even point was many miles/years away", in spite of the fact that my figures prove that it is less than a year.
I'm not being defensive re LPG, and no, I've nothing to hide, except my big fat wallet!
Btw, the high horse doesn't run on LPG
smiley-laughing.gif
 
Aug 9, 2010
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Gafferbill said:
emmerson is obviously on to a financial winner with the LPG conversion fitted to his 12mpg Range Rover/caravan outfit.

Interesting to note that a modern 500bhp diesel articulated truck that weighs 38 tons and is 55+ feet long,
8 feet wide and 13 feet high ......is capable of returning 10+ mpg.
Gaffer, this is true, but technology has moved on somewhat. When my V8 was in production twenty years ago, the norm then was for trucks to operate around 32 tons, at about 7/8mpg..
The modern equivalent of my engine, the 4.4 V8 in Jaguar/RR gives around 24 mpg.
 
Aug 11, 2010
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emmerson said:
Surfer, I picked up on your comment that "break even point was many miles/years away", in spite of the fact that my figures prove that it is less than a year.
I'm not being defensive re LPG, and no, I've nothing to hide, except my big fat wallet!
Btw, the high horse doesn't run on LPG
smiley-laughing.gif
emmerson i think you got the wrong end of the stick here, surfers reply was clearly to the original poster and come on your a special case at 12mpg more modern vehicles are going to be far better on mpg to start with so the break even piont is more likely to be 2 years plus unless they just tow and do 12k plus miles per year... one other piont what about secondhand values? i mean could an lpg conversion add a few quid to the value in which case i suppose that could be counted as a bonus to any break even figures.....
 
Aug 4, 2004
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emmerson said:
Surfer, I picked up on your comment that "break even point was many miles/years away", in spite of the fact that my figures prove that it is less than a year.
I'm not being defensive re LPG, and no, I've nothing to hide, except my big fat wallet!
Btw, the high horse doesn't run on LPG
smiley-laughing.gif

Apologies seems we both misunderstood one another! Our 4 x 4 does about 6000 miles per year so I guess the break even point would be far down the line if you could convert it which you can't.
 
Aug 9, 2010
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Surfer, no need to apologise. This is just typical conversation, except we can't see each other!
With regard to LPG affecting resale price, it may do on modern cars, but it doesn't when you get back to Classic Range Rovers.
LPG will certainly help to sell the car, but won't neccesarily increase the price.When I bought my present car, I paid £2150 on ebay, which was about right for any LSE RR at that time.
What I need to find now is a late model,LPG'd mint condition RR LSE to put in mothballs to replace mine when/if it gets beyond repair.As it is a particularly good car, I hope that time is long in future.
 
May 15, 2007
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Hi all, worked out roughly what i saved last week on fuel, gas to petrol , and it worked out in the regeon of £40, now i dont think thats bad, will check over the next few weeks to get a better reading.
 

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