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Opinion on LPG

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  • Opinion on LPG

    I don't know if people know it in Australia but up north in Europe we can run something called Liquefied Petroleum Gas to run our cars instead of (most of the time next to) petrol. Most people studying chemistry or physics know gasses carry less energy than liquids, but instead of paying
    Last edited by Vinhes; 14-09-2018, 03:55 AM.

  • #2
    Hi Vinhes, you might want to go in and edit your post as it looks like a good bit is missing....

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    • #3
      yeah thx, idk how that happened xD

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      • #4
        Yeah in AUS, we have LPG, have had it for years, back in the early 2000's there was an incentive given to people who would take their car in to get a gas exchanging unit installed on their vehicle, my hilux had a gas tank and kit on it when i first got it but i chose to remove it as it was big and bulky and did not increase performance on my vehicle as well, as for the tank it was out of date so it needed to be inspected and ran through a heap of tests that way it was safe for use, but as i said, i didnt find any use for it.

        Lots of cars here have Duel Fuel, which is a car having both tanks, and or exchanging unit.

        A fair few aussie cars were manufactured with just LPG systems, the Ford Falcon being one, the BA falcon right up to the FG model had a dedicated LPG system, and an engine that had small differences for the system and the main noticeable difference is the GREEN rocker cover on the Barra 6cyl producing 156kw, and then in the later FG-FGx models had the EcoLPi barra running 198Kw
        Ford Australia was the main manufacture in Australia to take advantage of LPG systems, and the cost of LPG at the Bowser/pump is still much cheaper then Petrol and diesel, even E10
        Last edited by xLOCOx; 14-09-2018, 09:25 AM.

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        • #5
          Oh I didn't know the Barra 6cyl came in LPG, that's pretty awesome. We don't have E10 here in the Netherlands, so I just dive over the German border once a week to get my fill of that. But today I'm gonna pick up my car with its new system!

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          • #6
            Originally posted by Vinhes View Post
            yeah thx, idk how that happened xD
            Probabaly used a currency symbol the forum doesn't like!

            ANYWAYS my experience of LPG is reduced engine power overall, lower throttle response and really bad MPG. My dad had LPG fitted to a 3.6 litre XJS (Incentives to do this in the late 90's early 2000's), dual fuel so it could still run normal petrol. it managed 28-30mpg on the petrol but managed a massive 11mpg using LPG** Because it was so much cheaper to buy, it was cheaper per mile than petrol. The only other upside is cleaner emissions.

            ** We drove until the car died, then restarted it and drove another 2 miles on LPG before it died again and switched back to petrol. We managed 185miles to 80 litres of LPG.

            It's maybe more effective on much smaller engines? You should definitely let us know how you get on with it for cost and mpg


            in the future I think there's more development coming for LNG rather than LPG. It's got a higher energy density so it's comparable to petrol or diesel. I think Volvo were (or still are) developing LNG for the Volvo FH series - with the same power outputs.
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            • #7
              Originally posted by MartinObviously View Post

              Probabaly used a currency symbol the forum doesn't like!

              ANYWAYS my experience of LPG is reduced engine power overall, lower throttle response and really bad MPG. My dad had LPG fitted to a 3.6 litre XJS (Incentives to do this in the late 90's early 2000's), dual fuel so it could still run normal petrol. it managed 28-30mpg on the petrol but managed a massive 11mpg using LPG** Because it was so much cheaper to buy, it was cheaper per mile than petrol. The only other upside is cleaner emissions.

              ** We drove until the car died, then restarted it and drove another 2 miles on LPG before it died again and switched back to petrol. We managed 185miles to 80 litres of LPG.

              It's maybe more effective on much smaller engines? You should definitely let us know how you get on with it for cost and mpg


              in the future I think there's more development coming for LNG rather than LPG. It's got a higher energy density so it's comparable to petrol or diesel. I think Volvo were (or still are) developing LNG for the Volvo FH series - with the same power outputs.
              Yeah probably because I used the euro sign xD. Anyways got my car back friday, strangely noticed an increase in power and a more direct throttle response. Completely the opposite from other peoples' experiences. So far I love it. Still finding out the MPG though, my car is a 1.3l and was designed to run LPG seeing as there also was an LPG option for the Mazda 2. Only the LPG was 75hp and mine is 86hp, which is quite unique among the Mazda 2's from my generation.

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              • #8
                Originally posted by Vinhes View Post

                Yeah probably because I used the euro sign xD. Anyways got my car back friday, strangely noticed an increase in power and a more direct throttle response. Completely the opposite from other peoples' experiences. So far I love it. Still finding out the MPG though, my car is a 1.3l and was designed to run LPG seeing as there also was an LPG option for the Mazda 2. Only the LPG was 75hp and mine is 86hp, which is quite unique among the Mazda 2's from my generation.
                That's an interesting experience, a friend of mine had a V8 BMW with LPG. It was the only reason he bought because petrol for that thing was expensive, he wouldn't be able to afford it- The only problem was, in the end, the servicing of the LPG System was costing him so much he had to get rid of it. Other than that, he only felt the LPG System aktivating past 60 km/h and only when the engine has reached operating temps. Performance wise there wasn't much difference he told me. So maybe you could do some tests like 50- 150km/h with some gps at will take the exact times? Did that with my Fiat to see improvement before /after chiptune and with different fuels. Would be interesting some power gains / decreases

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                • #9
                  Originally posted by sebe20 View Post

                  That's an interesting experience, a friend of mine had a V8 BMW with LPG. It was the only reason he bought because petrol for that thing was expensive, he wouldn't be able to afford it- The only problem was, in the end, the servicing of the LPG System was costing him so much he had to get rid of it. Other than that, he only felt the LPG System aktivating past 60 km/h and only when the engine has reached operating temps. Performance wise there wasn't much difference he told me. So maybe you could do some tests like 50- 150km/h with some gps at will take the exact times? Did that with my Fiat to see improvement before /after chiptune and with different fuels. Would be interesting some power gains / decreases
                  Hmm, interesting idea, my system basically activates about 10 seconds after starting up the car. Can switch whenever i want though

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                  • #10
                    LPG is great. Yes MPG is worse, but its so much cheaper then petrol or diesel. If you cover a lot of distance during the year it save you a lot of money.

                    Dutch government is on it like a mofo though, LPG systems can only be installed by specialists now, cost about 1200 euro's. On top of that, road tax for an LPG car is more expensive.

                    There's this Dutch online calculator that calculates the crossover point when LPG is cheaper then diesel or petrol. I do about 22.000 kilometers a year in my car, and LPG is cheaper starting at 4129 kilometers. But it'd take a year before I break even after having LPG installed in the car.

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                    • #11
                      Originally posted by TheCaptain View Post
                      LPG is great. Yes MPG is worse, but its so much cheaper then petrol or diesel. If you cover a lot of distance during the year it save you a lot of money.

                      Dutch government is on it like a mofo though, LPG systems can only be installed by specialists now, cost about 1200 euro's. On top of that, road tax for an LPG car is more expensive.

                      There's this Dutch online calculator that calculates the crossover point when LPG is cheaper then diesel or petrol. I do about 22.000 kilometers a year in my car, and LPG is cheaper starting at 4129 kilometers. But it'd take a year before I break even after having LPG installed in the car.
                      Yeah I'm dutch too, set me back almost 1600 euros. I have to pay 135 in roadtax instead of 81 euro's but that's because I also went up another weight class. Still did about 16km/l though.

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