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Patfig

Autogas

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Is anyone here running a car on autogas? If so how do you have any issues?

We are thinking of converting and it costs about £1000 to do this

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Is anyone here running a car on autogas? If so how do you have any issues?

We are thinking of converting and it costs about £1000 to do this

My last car was a dual fuel augogas/lpg & petrol car.

Very good it was too (factory fitted though).

You can easily pick one up for a few K - mine was a 54 Mitsubishi Outlander.

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Can stall at switchover (but car is very low rev on idle).

Finding a bloody pump! Had one near me that closed down for weeks!

Tank should be big enough for longish journeys - avoid spare wheel type ones if you can.

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My last car, which I had from November 2003 to August 2007, ran on LPG. The previous owner had the tank and kit installed.

At the time I got it, I did the sums and reckoned that if you did around 13-16k miles a year and lived in an area with plenty of LPG filling stations, then it was probably a good idea, even if you had the kit put in yourself. Below that and petrol makes more sense; above that diesel. The car burnt 10p a mile in petrol, in round figures, and 6.5p a mile on LPG. My annual fuel bill during those years would have been around £1,500 a year on petrol, and was around a grand a year on LPG. If you had paid £1,500 for the kit and then £100 for an annual LPG system service, then on that basis you'd be into profit after you'd had the car for around three years. I didn't have to pay for the kit installation, but the car did cost me around £750 more than the list price for a similar model and age, but petrol only. So by the end of year 2 I was into profit, and enjoyed about a year and a half of cheaper motoring.

However, the tax concession on LPG has been gradually eroded and the price of the stuff has gone up too. One thing to remember is that because there is less excise duty on LPG, the price you pay at the pump fluctuates more widely with oil prices. When I got my LPG-powered Mondeo LPG was 38-40p a litre, and it was 50-52p when I got rid of it. It now appears to be 66-68p around here. Once you've taken into account the fact that you burn more of the actual substance relative to petrol, that's probably equivalent to petrol at around 95p-£1 a litre, all other factors being equal.

The bottom line: if your annual mileage is in the low teens, you live in an area with lots of LPG stations and don't stray outside it very often and you are sure that you're going to keep the car for the next 3-4 years, then it might be worth doing. But not otherwise.

Edit: agreed with Northamptonbear on the tank issue. Mine was a large, gas bottle type thing in the boot. It held enough gas for about 250 miles, and occupied most of the boot. LPG is not a good idea if you're going to need to put four people and lots of luggage in the car. You are also not allowed to take cars with an LPG tank through the Chunnel, and if you want to go through the Tyne Tunnel you have to stop and wait for an escort vehicle, which can take a while. I believe that some car ferries don't allow them either.

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I supplied a BMW X5 to a customer and had a conversion fitted for him.The big gain was that he bought a 4.4V8 for peanuts compared to a weasel and it did go like sh!t of the proverbial highly polished and lightly oiled shovel.This was a couple of years back. No feedback as his company went bust,probably as a result of him buying a car he didn't need.

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Ive thought about it many times. Then put off after visiting LPG forums and reading the zillions of horror stories.

That and now its somewhat more than half the cost of petrol, and often people seem to get a 20-25% reduction in MPG it doesnt seem worth it.

Get a good diesel instead.

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Not ridiculous to consider it although you do lose power too which may bother you. Personally I like a few BHP and are willing to pay for it.

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Is anyone here running a car on autogas? If so how do you have any issues?

We are thinking of converting and it costs about £1000 to do this

LPG is brilliant IMO but you have to be careful.

Depending on the car you have, it may not be suitable for conversion.

Do your research first, some engines love gas, others hate it.

The car I had loved it, it was sweet and smooth and quieter than on petrol, I sold the car when it had done 160k miles, it was still just as good.

I'd have it here but it's not available in Switzerland, the tw*ts are afraid of it.

Make sure the conversion is done and guaranteed by an expert.

Don't worry about the Chunnel, or ferries etc, just make sure there are no obvious external signs of being an LPG car. ;) With a pressure release valve it is no more dangerous than a petrol tank.

Cheap, cleaner, and when there's a fuel crisis you can still get yours and have a total range of twice that of everyone else.

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Something like the BMW 320d ES just shows what you can get in terms of company cars nowadays.

Not sure how they'll be after 100K but even if they need an expensive part replacing that should just bring down secondhand prices.

Fuel consumption (Imperial)

Urban (mpg) 47.9

Extra-urban (mpg) 70.6

Combined (mpg) 60.1

Drag (cD) 0.27

Top speed (mph) 146

Acceleration 0-62 mph (sec) 7.5

Acceleration 50-75 mph in 4th (sec) 5.9

CO2 emissions (g/km) 125

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Something like the BMW 320d ES just shows what you can get in terms of company cars nowadays.

Not sure how they'll be after 100K but even if they need an expensive part replacing that should just bring down secondhand prices.

Fuel consumption (Imperial)

Urban (mpg) 47.9

Extra-urban (mpg) 70.6

Combined (mpg) 60.1

Drag (cD) 0.27

Top speed (mph) 146

Acceleration 0-62 mph (sec) 7.5

Acceleration 50-75 mph in 4th (sec) 5.9

CO2 emissions (g/km) 125

Great car apart from in the snow, especially with the new 8-speed auto box.

However how much does it cost?

If I was spending that much I'd get them to factory-fit LPG to the petrol version, it'd probably work out cheaper than the diesel both to buy and run.

To spend a lot less and ride in similar comfort, buy an appropriate(ie an engine that likes LPG) lux German wagon that's done 100k motorway miles for about 6k and have it converted yourself, it'll be good for 100k more.

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Blimey 8 speed gear box....

This is starting to resemble razors, 2012 we'll have a 9 speed then 10 then somebody will make a 20 speed box, bloody good thing its an auto.

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Be interesting to know what makes an appropiate engine.

For a full answer to that, you'll have to ask the engineers among us.

Not being damaged by fuel that burns at a higher temperature than petrol is No. 1 priority, some conversions fit hardened valves. Then there are some other factors which I don't know about, but the results you get in terms of performance and MPG are very different for each engine.

So in brief, you need to research carefully before going ahead.

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I've fitted LPG conversions. The first one I ever did was just before the fuel protests in 2000, on my own car :P

They are either great of nothing but trouble. The more sophisticated the engine management system the more scope for trouble. I ran old carb engined Volvos for years on LPG. Such a simple set-up and never had to touch the system again after fitting. If still got a load of tanks and vapourisers in the shed.

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My last car, which I had from November 2003 to August 2007, ran on LPG. The previous owner had the tank and kit installed.

At the time I got it, I did the sums and reckoned that if you did around 13-16k miles a year and lived in an area with plenty of LPG filling stations, then it was probably a good idea, even if you had the kit put in yourself. Below that and petrol makes more sense; above that diesel. The car burnt 10p a mile in petrol, in round figures, and 6.5p a mile on LPG. My annual fuel bill during those years would have been around £1,500 a year on petrol, and was around a grand a year on LPG. If you had paid £1,500 for the kit and then £100 for an annual LPG system service, then on that basis you'd be into profit after you'd had the car for around three years. I didn't have to pay for the kit installation, but the car did cost me around £750 more than the list price for a similar model and age, but petrol only. So by the end of year 2 I was into profit, and enjoyed about a year and a half of cheaper motoring.

However, the tax concession on LPG has been gradually eroded and the price of the stuff has gone up too. One thing to remember is that because there is less excise duty on LPG, the price you pay at the pump fluctuates more widely with oil prices. When I got my LPG-powered Mondeo LPG was 38-40p a litre, and it was 50-52p when I got rid of it. It now appears to be 66-68p around here. Once you've taken into account the fact that you burn more of the actual substance relative to petrol, that's probably equivalent to petrol at around 95p-£1 a litre, all other factors being equal.

The bottom line: if your annual mileage is in the low teens, you live in an area with lots of LPG stations and don't stray outside it very often and you are sure that you're going to keep the car for the next 3-4 years, then it might be worth doing. But not otherwise.

Edit: agreed with Northamptonbear on the tank issue. Mine was a large, gas bottle type thing in the boot. It held enough gas for about 250 miles, and occupied most of the boot. LPG is not a good idea if you're going to need to put four people and lots of luggage in the car. You are also not allowed to take cars with an LPG tank through the Chunnel, and if you want to go through the Tyne Tunnel you have to stop and wait for an escort vehicle, which can take a while. I believe that some car ferries don't allow them either.

Top post your Ayatollahness. Tells me everything I need to know about LPG.

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  • 277 Brexit, House prices and Summer 2020

    1. 1. Including the effects Brexit, where do you think average UK house prices will be relative to now in June 2020?


      • down 5% +
      • down 2.5%
      • Even
      • up 2.5%
      • up 5%



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