Lpg to do or not to do ?

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Well I am going to keep the old girl :) I have had her 10 years and am getting a newer model but dont want to part with my old love, storage seemed a problem but then I have started speaking to somebody on here who lives not a million miles away who will rent me cheaply a place in his toy store ! what a star :)

Should have done LPG on mine 10 years and 67,000 miles ago would have saved me half the 30k I have spent on fuel
 
+1. 13 mpg instead of 15 on petrol, clean fuel, had 3 rv8 engines running it, come in quite handy at diagnosing problems (OK on one fuel or other or neither).
Cheaper to buy a car with LPG fitted tho.
Also I live in a rural area and the local garage has not dropped their LPG price. Still asking over 70p/litre
 
Why waste money on LPG conversion if it's only a second car presumably covering relatively low mileage, you would never recover your outlay.
You also have the added risk of slipped liners due to the higher combustion temperatures.
 
If you plan on doing alot of miles then it can be worth the investment.
Data is right though, it can contribute to the slipped liner situation due to running slightly higher temps. Has running LPG contributed to my liner failure? Who knows, cant be proven but it may certainly have contributed.
Then again, the money saved running LPG will more than pay for my top hat engine rebuild.

PS, my LPG sequential system has never put a foot wrong.
 
Interesting Martynv8 which LPG system do you have ?

Datatek ive been told a super lube system saves the valves and seats on these engines
 
carbonbiped said:
Interesting Martynv8 which LPG system do you have ?

Datatek ive been told a super lube system saves the valves and seats on these engines
Click to expand...

Mine is a tartarini sequential system. No difference in running & switchover is seamless.

Flashlube is beneficial but the Rover V8 valves cope very well with LPG - One of the best engines for conversion is a Rover V8. The later Jag on the L322 is not so good.
 
Do it! I did mine myself with a kit from Tinley Tech. Mine is a BiGas sequential set-up. Do it yourself, and recoup your costs quicker.

You don't need flashlube or anything like that, they've already got hardened valve seats.

I don't believe LPG contributes to slipped liners either. There are many many Rover V8 engines with slipped liners that have never been run on LPG. I think the problem is more to do with bad engine design, poor castings, and poor maintenance.

I'm coming up on 35,000 LPG miles in my RR and it drives beautifully.
 
martynv8 said:
Mine is a tartarini sequential system. No difference in running & switchover is seamless.

Flashlube is beneficial but the Rover V8 valves cope very well with LPG - One of the best engines for conversion is a Rover V8. The later Jag on the L322 is not so good.
Click to expand...

Ive been told by RPI of Norfolk that they have overcome all the problems with a 4.2 Supercharged

What say you guys ?
 
Datatek said:
Why waste money on LPG conversion if it's only a second car presumably covering relatively low mileage, you would never recover your outlay.
You also have the added risk of slipped liners due to the higher combustion temperatures.
Click to expand...


bollocks..you set them up to run correct..ie not lean like the LR petrol version..so should infact help to stop problem..(combustion temp is due to mixture and timing..so sort them and job done, but that still dont cure too thin a casting wall dia , poor maintenance etc)

though the first bit about second car low millage is very true..
 
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Both our P38's were converted to LPG by Capital Autogas in New Malden, excellent, both have the BRC system seamless running and makes the Rangie cheap to run.
 
My 4.6 p38 has a very very cheapo single point which was on it when I got it, and while the installation is acceptable, it could have been done better - I suspect it's the second vehicle it's been on. It has a distinct Ebay feel about it.
It's great. No issues apart from the fuel level indicator is wildly inaccurate. I've checked the pipework & the solenoid shut-off valves with some care and all is well.
I have no idea what MPG I get - I just know that I spend about half the petrol costs for the same duty cycle.

Note - there is no legal requirement for a "professional" installer to install or maintain these things, but if you do it yourself be very much aware of your own competencies. If you don't completely understand it, don't mess. Big underbonnet bangs possible.
 
Castor said:
Note - there is no legal requirement for a "professional" installer to install or maintain these things, but if you do it yourself be very much aware of your own competencies. If you don't completely understand it, don't mess. Big underbonnet bangs possible.
Click to expand...


though if you can safley plumb up your central heating and wire it up then doing lpg is no harder..ie no gas leaks no wiring feck ups..
 
Adam New Malden is just round the corner from me I think I will have a chat with them re new car as Norfolk is to far away if anything plays up !

Appreciate everyones posts on here
 
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