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Thread: P38s on gas

  1. #1
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    P38s on gas

    Hi all,

    I've been searching a while on this topic, but relevant info is few and far between;

    Wanting to know how the later model Thor engines go on gas (multiple point vapour injection?) and more specifically, what kind of economy they achieve.

    With petrol prices only going up and up, a decent LPG system is a good option to make our 'older' cars somewhat viable for daily driving.

    Any information and insight into this would be appreciated

  2. #2
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    I have been using mine for the past 4 days and I must say if anything the new car on gas has more go in it then the other on petrol, it could be the 60d engine, lower Klms`s or just wishful thinking, whichever the engine runs sweet.
    I will post back as soon as I get an Idea of consumption but am very happy so far with the way she goes on gas.

  3. #3
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    Have got a quick quote over the phone from Mews Autogas.
    For a multi-point direct injection sprintgas system with 62L usable gas, fitted to wheel wheel area, looking at $2800 after rebate ($1000).
    Also comes with 3yr/100000km warranty

    Will be interesting to see how quick they pay for themselves.

    It's good to hear it's going well for you so far Wayne!

  4. #4
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    Finding that my 2001 4.6 does around 14-15L/100km as an average.

    Curious to see how the gas performs; if it is similar economy, better, or worse.

  5. #5
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    Hi

    So far my consumption on gas and petrol is crap, around 20L/100KM

    Just replaced the MAF, O2 sensors and fuel pump.

    I will report figures when things stabilse.

    Steve

  6. #6
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    Quote Originally Posted by jezza89 View Post
    Finding that my 2001 4.6 does around 14-15L/100km as an average.

    Curious to see how the gas performs; if it is similar economy, better, or worse.
    My car is the same model and had gas put in around 18 months ago.

    So going on your petrol figures, assuming that is unladen numbers, and my sequential gas figures, again unladen, you are looking at around 20c/km for gas and 25c/km based on 165c/l pulp and 93c/l gas.

    If I had my time again I wouldn't waste my money with gas instead a long range tank would be more benefit, bare in mind that the excise on gas is expected to rise a lot, so these numbers will close.

    Also I've noticed on trips that gas consumption hardly varies with load unlike petrol.

    Rob

  7. #7
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    14-15L/100km on petrol isn't bad at all! For a 2.5t vehicle shaped like a brick! My old 5L V8 VR Commodore used to get worse than that!

    Your numbers are similar around-town numbers to me. On the highway fully loaded with a roof load I averaged 13.5L/100km (by the bowser). You will be hard pressed to find a petrol 4wd of this size getting remotely close to that! The 4.5 and 4.8L Nissan GU's and 4.5 and 4.7L 100 series cruiser around town are touching 20L per 100 and are still over 15 on the highway. And they have part-time 4wd systems.

    Cheers
    Keithy

  8. #8
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    I was talking to a 4.8 GU owner the other day - 23lt/100 around town and 17 on the hwy !!!!!!
    He wasn't too happy when I told him about mine.

    I'd be very interested to hear what consumption figures you get with injected gas.

  9. #9
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    Quote Originally Posted by benji View Post
    I was talking to a 4.8 GU owner the other day - 23lt/100 around town and 17 on the hwy !!!!!!
    He wasn't too happy when I told him about mine.

    I'd be very interested to hear what consumption figures you get with injected gas.
    21.3 l/100 on gas

    Rob

  10. #10
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    Quote Originally Posted by Robsrod 58 View Post
    21.3 l/100 on gas

    Rob
    Rob

    That's about what I get, and I am becoming increasingly convinced that it is on the high side.

    I am currently concentrating on getting the petrol system as good as possible, since my LPG system takes it's fuel maps etc from the ECU.

    Once I know that petrol running is sorted I will then make sure the LPG is as good as possible as well.

    The beast is off to Rampt Customs today for a new bar

    Steve

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