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P38A Is it time to jump to LPG ? (4.6l Gems)

Discussion in 'Range Rover' started by awkwardbob, Jun 14, 2022.

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  1. awkwardbob

    awkwardbob Well-Known Member

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    So.... with petrol rapidly approaching £2 per litre and LPG around £0.80 is the time right now to bite the bullet and opt for an LPG conversion ?

    I've a late '97 4.6L Gems which returns between 13 and 24 mpg. The petrol prices alone are emptying my wallet and the 'payback' for an LPG conversion seems shorter than ever.

    I've been quoted around £2k for a Prins Multipoint system from an approved installer who seems to know his way around the Rover V8. I'm kinda tempted as the sums below show, but having read a lot of threads on this, I wondered whether there was any sage advice form anyone who has gone down this route and would recommend it or avoid it -and if there are any questions I ought to be asking.

    Thanks again for your help

    Bob

    Petrol
    2.00 per litre *4.54 = 9.08 per gallon. 18mpg @ 9.08 = £0.50 per mile

    LPG
    0.80 per litre *4.54 = 3.63 per gallon. 16mpg @ 3.63 =£0.23 per mile

    Cost of conversion £2000 / 0.27 = 7408 miles to break even (If prices stay at current rate -which, of course they won't !)
     
  2. saxavordian

    saxavordian Well-Known Member

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    It's okay and eventually you'll save . But and a bigger but LPG gas supplies are shrinking as support with garages. Your source possible might get tight. The push for forecourts to adapt to Ev charging could effectively make fuel shrink.
     
  3. kermit_rr

    kermit_rr Green Member Full Member

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    @Henry_b has just disconnected his lpg!!
     
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  4. norseman

    norseman Well-Known Member

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    In my opinion, no it isn't.

    Firstly, search on here for opinions on the advisability of running 94mm bore (3.9/4.0/4.2/4.6) RV8's on LPG.
    Secondly, from what I've read in the motoring press many outlets intend to cease selling LPG over the next couple of years, Demand for the fuel has dropped to the point where it's no longer sustainable & space is needed for EV charging points.
     
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  5. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd Full Member

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    On the continent, yes. Or if you have LPG heating or are member of a hot-air balloon club. Otherwise, missed the boat, mainly on availability.
     
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  6. awkwardbob

    awkwardbob Well-Known Member

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    There seem to be quite a few outlets still available round here, but I take the point...

    Now checking out symptoms of cracked liners. !
     
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  7. kermit_rr

    kermit_rr Green Member Full Member

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    Liners don't crack, but they can become loose. Blocks can crack behind the liners where the coolant jacket is because LR in their infinite wisdom didn't engineer the liner to seal against the fire ring of the head gasket, which would have prevented all the issues you hear about
     
  8. biketeacherdave

    biketeacherdave Well-Known Member

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    It will be fazed out by 2024 as a road fuel apparently in an article in a motoring magazine.
    IMG-20220520-WA0007.jpg
     
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  9. kermit_rr

    kermit_rr Green Member Full Member

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    Motorhomes are gonna get pretty cold in the winter months
     
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  10. Colthebrummie

    Colthebrummie Well-Known Member

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    In your financial calcualtions you also need to factor in the servicing costs of the system and the extra mileage you will do to find lpg. On my old 3.5l kia sorento, lpg kept poisoning the lambda sensors.

    Col
     
  11. kermit_rr

    kermit_rr Green Member Full Member

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    Aren't kia selling brand new bi fuel cars?
     
  12. Beneagles

    Beneagles Well-Known Member Full Member

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    I assume you have no plans for travelling north of Stirling then??
    :)
     
  13. Datatek

    Datatek Well-Known Member

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    Dacia are selling LPG fueled cars over here.
     
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  14. kermit_rr

    kermit_rr Green Member Full Member

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    yes, thats the one :)
     
  15. pete12345

    pete12345 Well-Known Member Full Member

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    Bit of a run to go to France to fill up
     
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  16. Datatek

    Datatek Well-Known Member

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    LPG is also disappearing over here, probably another daft EU ruling aimed at forcing us on to electric cars
     
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  17. awkwardbob

    awkwardbob Well-Known Member

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    Well, there are still a fair few around Glasgow but, as you say, it looks like it’s days may be numbered…. And there’s no saying it will continue to be taxed at a lower rate or that petrol will remain this high in the long term…

    maybe I just need to sit on my hands and swallow the £200 for a tank of fuel
     
  18. marjon

    marjon Well-Known Member Full Member

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    Its a shame that the supply is getting difficult. We used to run a V8 on LPG in the UK and it was fine.
    Admittedly we only run the 90 on LPG here but it is available in pretty much every fuel station, there are also LPG only stations as many use LPG for cooking purpose so they fill bottles, (you own the bottle here).

    If you just buy a secondhand front end system (engine bay and brain) then get the supplier to fit tank and lines and certify it, I am sure the 2k price could be halved or more.

    J
     
  19. tomcat59alan

    tomcat59alan Well-Known Member

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    Or do what I've done and do away with unneccessary trips,and fu¢ them all, fuel companies and the government,I'm still on the£80 of diesel I put in before my last trip away, meant to say petrol had gone up to €1.61 a litre in the Canaries:eek::mad::mad:
     
  20. kermit_rr

    kermit_rr Green Member Full Member

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    Yes now is the time to swap, emissions are cleaner than petrol, price is cheaper, mpg only slightly less.
    Presumably that's why they're getting rid of it in UK
     
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