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Old 22 May 2011, 07:30   #11
Country: UK - England
Town: Dartmouth
Boat name: Puffling
Make: Avon Rover 3.4m
Length: 5m +
Engine: Mercury 15hp
Join Date: Jan 2002
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I have driven an LPG rangerover V8 and when I got to the garage and saw the price of the LPG you get a big smile on your face!
Also it depends how many miles you do and where the nearest LPG station is. In hants there are not that many..
But do it anyway as V8's are just fun! Vs boring diesels.. I had BMW v8 before Christmas as missed having one.. no LPG and 21 MPG, but 0 - 60 very quickly and big grins and only cost £1100.. Great tow car too.. 740i V8

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Old 22 May 2011, 07:33   #12
Country: UK - England
Town: Mighty Penryn
Boat name: Little Joe.
Make: Avon Searider
Length: 4m +
Engine: Honda BF50
Join Date: Aug 2005
Posts: 8,840
To buy an already converted LPG 4X4 might be a plan. Thet don't appear to fetch a premium.

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Old 22 May 2011, 10:03   #13
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Country: UK - England
Town: London
Make: Ribcrafts
Length: 5m +
Engine: 150hp/2x115hp
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Might be worth PM'ing "Under the Thumb" he has a P38 with an LPG conversion.

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Old 22 May 2011, 16:00   #14
Country: UK - England
Town: Southampton
Boat name: SMH Rib / War Shot
Make: Ribtec / Scorpion
Length: 4m +
Engine: 10hp Yam / 150hp opt
Join Date: Sep 2003
Posts: 1,902
Mate of mine had one with LPG about 7 or 8 years ago.

4.6HSE P38 with all the bits and pieces.

Loved it and did loads of miles. Had a tank in the space for the spare wheel - gave enough range to be useful - and once you have LPG you will know where all of the LPG equipped filling stations are.

Only sold it when it succumbed to the normal RR V8 killer of porous heads / block at 100,000 miles.

He seemed to think that the running costs were equivalent to getting 30mpg once the increased consumption was factored against the cheaper fuel.
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Old 22 May 2011, 16:04   #15
Country: UK - England
Town: Gloucestershire
Boat name: Osprey
Make: Osprey Vipermax
Length: 5m +
Engine: E-tec 300 G2
Join Date: Dec 2006
Posts: 4,014
Originally Posted by Nos4r2 View Post
£1500 buys an awful lot of fuel.
About 11 tank fulls for a RR which at 15MPG is about 4000 miles or in my case about 3 months worth.

And I thought the TD5 was bad
Chris Stevens

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Old 22 May 2011, 16:26   #16
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Country: UK - Scotland
Town: Glasgow
Boat name: stramash
Make: Tornado
Length: 5m +
Engine: Etec 90
Join Date: Feb 2006
Posts: 5,064
Mate of mine converted a 4.4 BMW and I think he'd have to wait a while to see his money back too.

Wouldnt work for me cos there still isnt enough LPG outlets in enough remote locations, and I need all the space in my boot I can get .. that tank takes up a lot of room !!
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Old 08 June 2011, 23:47   #17
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Country: UK - England
Town: Tisted Hampshire
Boat name: Hot Lemon
Make: Scorpion
Length: 8m +
Engine: Yanmar diesel
MMSI: 235
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I know of two Rover V8s that have been converted to LPG by thier current owners one a P38 has had 3 head gaskets let go and the other a Discovery 2 has had 1 before they moved them on . I understand that these V8s are on the limit of cooling before the conversion and LPG runs hotter that petrol .There were also several teething problems with the gas instalation too.
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Old 19 June 2011, 03:48   #18
Country: UK - England
Town: Cotswolds
Make: Avon SR4
Length: 4m +
Engine: 40hp
Join Date: Jun 2011
Posts: 118
A friend has a P38A with the conversion - sitting as the head gasket has gone, now on a new shape with LPG - was very happy with both (other than the head gasket going!)

I have a P38A diesel. I bought it after owning a classic with a 5ltr v8 petrol in it, what a difference - the 2.5t wouldn't even go up local hills at 60mph and 0-60 was about 13.5 secs! One of those cars where you book a slot to come out of a junction giving about a week's notice...

so having bought it two years ago on the Friday, on the Monday it was in JE Engineering (nr. Coventry) for a stage two upgrade - chip remap & enormous intercooler... It cost c. £1,000, but:
- 0-60 is now c. 8.5 secs
- mpg instead of 22-25 as per manuf. figures is 25 if driven hard / 27-28 norm / best of 33.8!
- the car has had almost no depreciation over 2 years as a JE conversion is desirable...

so - diesel is not an impossible option

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Old 19 June 2011, 04:32   #19
Country: UK - Scotland
Town: Exiled in England!
Make: Avon SR4
Length: 4m +
Engine: 40hp
Join Date: Jul 2010
Posts: 57
I don't know anything about Range Rovers or Landys but I've had a few LPG 4x4's, a Shogun, a Cherokee and a Grand Cherokee, all with varying levels of succcess. The Cherokee was absolutely brilliant, not a single problem apart from needing a bit of adjustment to get through the emissions on the MOT. Grand Cherokee was a bag of crap, it had a fancy engine management system and the LPG system really screwed it up, especially if you ever swapped back to petrol. I found out after getting the Shogun done that the engines aren't suitable, the lightweight alloys the Japanese use don't like the higher temps of LPG and will eventually burn the valves out, from what I read the Aussies had been through it all years earlier and ended up with tons of wrecked Mitsus, Nissans and Toyotas. So I got shot of it before anything happened.

I had lots of niggles, whatever you get the kits are still bodged a bit to fit the engine. I had tons of annoying minor problems like wiring getting worn or melted because it was running over parts it was never meant to run over, stuff like that. They were all done by proper LPG companies but I couldn't help thinking it was down to the skill of the engineer to spot potential problems, the kit itself never went wrong it was more problems created by how it was installed. I also had a few niggly problems with heating and cooling depending on the weather where the gas regulator would freeze up. Quite a few times on the motorway I'd had to stop until it thawed.

I never really noticed much of a drop in power on the Jeeps but they were big engines to start with. Consumption was no worse on the Cherokee but a lot worse on the Grand Cherokee, I used to get 20'ish on petrol and around 16 on gas. Long journeys took precise planning and often a lot of detours to get gas which was really annoying especially when they don't have any gas or its shut or it isn't there and the list is out of date. Going back on petrol was painful.

I went back to diesels five years ago, I've got an Isuzu Rodeo now and it costs me less to run that on diesel per mile than it would running the Jeeps on gas at current prices.
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Old 19 June 2011, 05:33   #20
Country: UK - Wales
Town: Here
Boat name: doggypaddle
Make: Avon 5.4 Searider
Length: 5m +
Engine: yamaha 80
Join Date: Jul 2007
Posts: 1,107
P38 Rangerover My mate too his to the local landrover dealer and everyone in the workshop vanished for an early lunchbreak
Payback time will be longer than you think, and to be honest a 4.6 IS going to get a loose liner or other cooling system problems its just a question of when
If you do a few miles and never intend selling the vehicle then its worth it, otherwise keep the money to pay the big repair bill for when the well documented loose liner rears its ugly head.
Realistically for sale price of the rangerover, the cost of a gas conversion saved and the potential massive repair bill saved when the heads play up, and a little extra you could buy a TDV6 Disco or TDV8 rangerover........or something japanese and reliable

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