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Markiii
5th December 2018, 06:04 PM
One thing I hate about all forums is searching for 3 letter acronyms.

My previous Subaru had an LPG conversion and i was rather impressed. Such that I'm idly contemplating if its worth doing on the S8.

However sods law searching for LPG yields nada.

anyone offer any advice? point me in the direction of any useful discussion on converting the S8?

thanks in advance

Conan_the_Librarian
5th December 2018, 06:32 PM
If I did the miles I would do this at the drop of a hat. Heres a link to my old S8.

http://forum.a8parts.co.uk/showthread.php?t=55

I was running back and to from Edinburgh and Glasgo to Plymouth and saved the cost of installation in 10 months.

HtH

CtL

Markiii
5th December 2018, 07:34 PM
Thanks Mike. Can you tell me more about your conversion?

steamship
5th December 2018, 11:00 PM
I don't have a D2 S8 but do have a '01 3.7 which I got a LPG conversion done on it. It's laid out pretty much the same way as Mike's photos, including the big tank in the boot.

Cost me £1,500 and paid for itself in 11 months and around 10,000 miles. Running costs are roughly around 50%, but depends on the cost of LPG in your area. The government even manage to give you £10 off your road tax.

Performance wise, I've never noticed mine being down on power... maybe I'm not driving fast enough. Side story... in 2016 when a group of us were doing the Wild Atlantic Way, I was leading a group of three of us (there were two more cars and an unfortunate event with a mobile phone, but that's another story) when we had the opportunity to 'open the taps' on a stretch of road. The other two cars were a D2 S8 and a D3 S8, and the driver of the D2 admitted to having difficulty keeping up.

I'm currently running a 4.2 D3 and contemplating getting a conversion done on that as well.

Conan_the_Librarian
6th December 2018, 06:32 AM
Mine was a Prinz system and would start from cold on petrol but within a couple of minutes would switch to LPG. If the LPG ran out it switched seamlessly back to petrol. It was very slightly down on power but then if needed, press the button and you back on petrol.
On one of my trips to Germany it automatically switched to petrol at 150MPH!
I had a 200 ltd tank in the boot which would fill to about 180ltrs. If I needed I could do Edinburgh to Plymouth without stopping. ��
As they were business miles I ran a spreadsheet for fuel and it worked out my enthusiastically driven S8 was getting the financial equivalent of 37MPG. Bargain!

steamship
6th December 2018, 08:00 AM
Mine was a Prinz system and would start from cold on petrol but within a couple of minutes would switch to LPG. If the LPG ran out it switched seamlessly back to petrol. It was very slightly down on power but then if needed, press the button and you back on petrol.
On one of my trips to Germany it automatically switched to petrol at 150MPH!
I had a 200 ltd tank in the boot which would fill to about 180ltrs. If I needed I could do Edinburgh to Plymouth without stopping. ��
As they were business miles I ran a spreadsheet for fuel and it worked out my enthusiastically driven S8 was getting the financial equivalent of 37MPG. Bargain!

Yeah, mine operated the same way, though never got to a speed that it had to switch back to petrol :-(

The tank I have is only 125 litres, and was under the impression at the time that it was the biggest they could fit in the space.

I like to use the 'financial equivalent' calculation, as you can shove it in the face of those that tell you that you're driving a gas guzzler... although strictly speaking, I suppose they are correct. :Confused:

Markiii
6th December 2018, 09:05 AM
thanks guys who did your conversions?

Conan_the_Librarian
6th December 2018, 10:47 AM
Mine was a chap in Fareham, Hampshire. Cost nearly 3k at the time.

steamship
6th December 2018, 12:05 PM
Mine was done by AGS in Craigavon, Northern Ireland, at a cost of £1,500. That was in 2013.

Architex_mA8tey
7th December 2018, 02:04 PM
My D3 4.2 A8L was converted about 3 years ago at a cost of approx £850 at a company in the suburbs of Birmingham - its a hugely cheap area for buying LPG (averages about 50p /litre versus 68-70p / litre in the south and I think that the conversions are similarly cheap in that area! my tank is only something like 80 litres in the spare wheel well and i get about 260-280 miles from a fill, but still have petrol to fall back on too.

I've done something like 65,000 miles in 3 years an apart from renewing the odd lpg supply pipe or clip under the bonnet havent really had any issues with the system. the car starts mostly on petrol but always switches to LPG at about 70-75 degrees water temp upwards or if youve recently used the car then it starts fine on lpg.

steamship
7th December 2018, 08:17 PM
My D3 4.2 A8L was converted about 3 years ago at a cost of approx £850 at a company in the suburbs of Birmingham

Wow! Maybe I should get mine done over there. Even with the cost of a ferry crossing and a couple of days B&B, it would probably still work out cheaper.

HPsauce
7th December 2018, 08:30 PM
Plus meeting up with a few other forum members?

steamship
7th December 2018, 09:17 PM
Plus meeting up with a few other forum members?

You mean like the LPG filling stations along the Wild Atlantic Way! :D

Professor Peach
11th December 2018, 12:04 PM
If it helps, you can use Google to do the search for you.

Open a Google page and in the search bar type 'site:' followed by the website you wish to search, then a space and what you want to find.....

Site:forum.a8parts.co.uk lpg

This throws up loads of stuff! +++

Now the other thing you hate about forums like this is probably pedantic people, so with that in mind, LPG isn't an acronym, it's just an abbreviation. :D

My work here is done! :ROFL:

steamship
11th December 2018, 08:44 PM
Now the other thing you hate about forums like this is probably pedantic people, so with that in mind, LPG isn't an acronym, it's just an abbreviation. :D

My work here is done! :ROFL:

But you didn't explain to him why LPG is an abbreviation, and not an acronym. :tuttut: ;)

An acronym is an abbreviation that is/can be pronounced as a work, so something like ASCII (ask-e) if an acronym, but LPG is not.

Leave the door open, I'll get my coat!

Professor Peach
12th December 2018, 08:44 AM
:D+++

paulrstaylor
12th December 2018, 09:56 AM
I thought LPG was an initialisation? :ROFL:

https://www.dailywritingtips.com/initialisms-and-acronyms/

steamship
12th December 2018, 08:37 PM
I thought LPG was an initialisation? :ROFL:

https://www.dailywritingtips.com/initialisms-and-acronyms/

Interesting article, but the second paragraph just adds to the confusion. This is what it is stating:

NASA is an 'acronym' = an abbreviation that is pronounced as a word
LPG is an 'initialism' = a series of initials pronounced individually

Somewhere along the line, LPG, TDI, FSI, TDC and many others have been relegated to merely 'a series of initials'. :Confused:

... Too much time on my hands!

Professor Peach
13th December 2018, 11:48 AM
...and some acronyms have been used in everyday conversation so much that they appear in the English language as a 'normal' word and most folks don't even realise it's an acronym.

As en example, I was shooting pretend 'Laser' beams at my brothers in the early 70's, but it wasn't until my school Physics lessons, I learnt it was an acronym. Light Amplification by the Stimulated Emission of Radiation (LASER) if I remember rightly, but as I just lived on the edge and didn't Google it to be sure, may be wrong. :D

moltuae
13th December 2018, 12:11 PM
...and some acronyms have been used in everyday conversation so much that they appear in the English language as a 'normal' word and most folks don't even realise it's an acronym.

As en example, I was shooting pretend 'Laser' beams at my brothers in the early 70's, but it wasn't until my school Physics lessons, I learnt it was an acronym. Light Amplification by the Stimulated Emission of Radiation (LASER) if I remember rightly, but as I just lived on the edge and didn't Google it to be sure, may be wrong. :D

It always amuses me when I see the Americanised version of that, Lazer.

Presumably they zimulate their radiation over there.

steamship
13th December 2018, 08:09 PM
As en example, I was shooting pretend 'Laser' beams at my brothers in the early 70's, but it wasn't until my school Physics lessons, I learnt it was an acronym. Light Amplification by the Stimulated Emission of Radiation (LASER) if I remember rightly, but as I just lived on the edge and didn't Google it to be sure, may be wrong. :D

And the likes of 'Scuba' gear, Self Contained Underwater Breathing Apparatus. You'd be out of breath before you got that lot out of your mouth. :ROFL: