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Car Forum / UK Car Forums / Classic Cars (UK group) / September 2007

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LPG conversion

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campingstoveman - 15 Sep 2007 09:55 GMT
Gentlemen,

I have been running a 1969 Rover P6 3.5 V8 since I bought it in April this
year, its only a weekend car for shows and odd shopping trips as my daily
vehicle is a company supplied van.
My question is, is there an available LPG conversion kit for the car and can
I fit it myself. I have a workshop with machinery so making parts is not a
problem. I am currently just curious as I don't mind the 22 mpg I appear to
be getting especially as it only my plaything :-))

Martin P

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Peter Hill - 15 Sep 2007 11:21 GMT
>Gentlemen,
>
[quoted text clipped - 7 lines]
>
> Martin P

Lots of V8 Range Rovers have been converted.
Chris Perfect and RPi are long established suppliers for Rover V8's.
http://www.chrisperfect.com/products/lpg.html
http://www.v8engines.com/faq-lpg-tanks.htm
As you don't have any electronic sensors etc you can't use EFi kits
that have become the norm.
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Peter Hill
Spamtrap reply domain as per NNTP-Posting-Host in header
Can of worms - what every fisherman wants.
Can of worms - what every PC owner gets!

Chris Bolus - 15 Sep 2007 11:36 GMT
>Gentlemen,
>
[quoted text clipped - 7 lines]
>
> Martin P

Try www.tinleytech.co.uk and www.lpg-kits.com. You will however require
an inspection by an approved installer if you fit it yourself, and be
aware that some insurance companies won't touch them.
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Regards,  Chris    (Please take out my car to reply by plain text email)    
---1967 Riley Elf---1978 Mini 1000---1971 Mini Clubman---
----1972 Mini Clubman estate----------1979 Ford Capri----

Autolycus - 15 Sep 2007 12:57 GMT
>>My question is, is there an available LPG conversion kit for the car
>>and can
[quoted text clipped - 3 lines]
> require
> an inspection by an approved installer if you fit it yourself,

Required by whom?

> and be aware that some insurance companies won't touch them.

True: others insist on a certificate from a member of the appalling
lpga; some charge a higher premium ("it's modified"); CIS only wanted
proof that my Range Rover did indeed use lpg (an MoT test summary
sufficed), and some don't give a hang.

Some installers will examine and certify d-i-y installations.

Worth checking the yahoo group lp-gas and uk.rec.cars.fuel.lpg

In doing the sums, remember to allow for the extra mileage making
special trips to top up, which you'll probably have to do far more often
than you expect, and note that motorway services charge a fortune for
the stuff.  Because both the range and choice of filling stations are
both far less than for petrol or diesel, I found I used motorway
services far more often than I would have liked.

Signature

Kevin Poole
**Use current month and year to reply (e.g. sep2007@mainbeam.co.uk)***

campingstoveman - 15 Sep 2007 13:35 GMT
Kevin,

I live not far from two BP garages which sell LPG and the sort of journeys I
make would not be serious mileage, I am just looking at reducing running
costs and the cost of fitting looks to me to be worth the effort over a
couple of years.

Martin P

>>>My question is, is there an available LPG conversion kit for the car and
>>>can
[quoted text clipped - 22 lines]
> than for petrol or diesel, I found I used motorway services far more often
> than I would have liked.
Chris Bolus - 15 Sep 2007 13:53 GMT
>>>My question is, is there an available LPG conversion kit for the car
>>>and can
[quoted text clipped - 5 lines]
>
>Required by whom?

You've answered that yourself below!

>> and be aware that some insurance companies won't touch them.
>
[quoted text clipped - 13 lines]
>both far less than for petrol or diesel, I found I used motorway
>services far more often than I would have liked.

It does depend very much on whether you have convenient lpg stations
nearby, though when I had a gas-powered Omega I found several close to
my normal routes, and my daily commute took me within 400 yards of the
Altagas depot at Moorgreen which was cheaper than anywhere.

Most Shell stations seem to have it now.
Signature

Regards,  Chris    (Please take out my car to reply by plain text email)    
---1967 Riley Elf---1978 Mini 1000---1971 Mini Clubman---
----1972 Mini Clubman estate----------1979 Ford Capri----

Autolycus - 15 Sep 2007 16:08 GMT
> On Sat, 15 Sep 2007 12:57:10 +0100, "Autolycus"
> <aug2007@mainbeam.co.uk>
[quoted text clipped - 7 lines]
>
> You've answered that yourself below!

No I haven't.  There's quite a difference between "you will require" and
*some* insurers insisting on one.

>>> and be aware that some insurance companies won't touch them.
>>
>>True: others insist on a certificate from a member of the appalling
>>lpga; some charge a higher premium ("it's modified"); CIS only wanted
>>proof that my Range Rover did indeed use lpg (an MoT test summary
>>sufficed), and some don't give a hang.

Signature

Kevin Poole
**Use current month and year to reply (e.g. sep2007@mainbeam.co.uk)***

Ian - 16 Sep 2007 06:31 GMT
> >Required by whom?
>
> You've answered that yourself below!

I had my DS converted to LPG about five years ago. Although I have a
certificate from the installer, somewhere, I have never been asked to
show it. One broker politely declined to deal with it, but neither of
the insurers I have used has been bothered in the least.

Incidentally, the conversion cost me about ?1000 and saves me 10p /
mile in fuel. Since having it done I have done about 45,000 miles.

Ian
Peter Hill - 15 Sep 2007 22:55 GMT
>Worth checking the yahoo group lp-gas and

> uk.rec.cars.fuel.lpg

It's dead in there, very very dead.

>In doing the sums, remember to allow for the extra mileage making
>special trips to top up, which you'll probably have to do far more often
>than you expect, and note that motorway services charge a fortune for
>the stuff.  Because both the range and choice of filling stations are
>both far less than for petrol or diesel, I found I used motorway
>services far more often than I would have liked.

Get a map and find a few off M-way places.

Sanisbury's at North Western Avenue, Watford, WD25 9JS is a short
detour between J5 and 6, and not too far off M25.

Morrison's Lysander Road, Cribbs Causeway, Westbury-on-Trym, Bristol,
BS10 7UD has LPG and is worth the short detour off M5 even for Petrol.

http://www.getlpg.org.uk/
Signature

Peter Hill
Spamtrap reply domain as per NNTP-Posting-Host in header
Can of worms - what every fisherman wants.
Can of worms - what every PC owner gets!

Dave Carter. - 15 Sep 2007 23:50 GMT
In the early 1980s I fitted (post production) Landi-Hartog lpg
conversions, after having been sent on a 3 day course at the area
agent in Halifax.  The course started with the guy saying that as lpg
is heavier than air, and, if it leaks from any of "your"  joints into
footwells etc, and there was an explosion, "you" could be looking at "
involuntary manslaughter " charges.    That stuck firmly in my mind!
 The metering of the gas to the engine was controlled by the vacuum
in the inlet manifold.  A pipe from a manifold tapping was connected
to the evapourator, which caused a spring loaded diaphragm to open or
shut a gas delivery valve.   3 basic evaporator sizes to correspond
with 3 engine hp ranges, with a range of jets and springs to adjust
each range.                   To adjust the mixture, slacken a lock-
nut, turn scew, and re-tighten. Too weak and the engine was sluggish.
If the engine was slightly down on petrol performance then the mixture
would just about right.  A simple and effective device!   The gas
tanks were also much larger, the width of the boot and about 10"
diameter (10-12 gallons) and crash test proven design. All pipes were
drawn steel.  The car's mileage range could be doubled.  But, that was
quarter of a century ago!!      Basic fitting time was given as 20
hours.

  Now the car's computer is operates the evapourator. Adjustment
through your local dealer's expensive computer, no doubt!
  About four years ago I heard that on a BMW, the fitter had to make
almost 30 connections to the vehicle's electrical system under/behind
the dash. The tanks are fitted in the spare wheel well and hold about
25 litres by law(?)

Isn't technology wonderful?

Regards, A. Dinosaur.
campingstoveman - 15 Sep 2007 12:58 GMT
Chris,

Thanks for that, an interesting read.
I have to decide whether the cost is justified by the miles but looking at
rough prices it does not seem so expensive an exercise.

Martin P

>>Gentlemen,
>>
[quoted text clipped - 13 lines]
> an inspection by an approved installer if you fit it yourself, and be
> aware that some insurance companies won't touch them.
Doki - 22 Sep 2007 09:57 GMT
> Gentlemen,
>
[quoted text clipped - 5 lines]
> not a problem. I am currently just curious as I don't mind the 22 mpg I
> appear to be getting especially as it only my plaything :-))

I did some sums on this a while ago for running a modern car. Reckoning on a
£1500 installation cost and around 25-30MPG *and* an annual mileage of
around 25k, I could expect it to pay for it's own installation in a year. So
reckoning you'll get payback at around 10000 miles with a DIY install cost
of around £700, but it could be a long while before you do 10k in it if it's
only a weekend car.
 
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