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Would like to know about the merits and disadvantages of Autogas
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disadvantage,
To be worthwhile you need a large tank, so you need a car with the space, a large saloon car boot will be ok but you lose half the space. An estate car is good because you have more than half the space left and you can still put long items over the top of the tank, but you lose the seats down long loading ability of an estate car. if this was important to you you could mount the tank lenghways in the boot but this would not spread the load uniformly over the rear axle (probably not a big deal). If you use a small tank you will be filling up all the time. IF you can do away with the space you could put a large tank in the boot of a small hatchback, and use the rear seat for storing your shopping....cars with spare wheel fitted underneath the car would be better for this e.g peugeot 106 etc.
You need to have a fuel guzzler or high annual mileage to make the conversion cost worth your while.
if you have one or both of these conditions and you can afford to lose some space then installing a 100litre (80 litres filled) will be well worth your while. If you have more room available look at the largest tank size that will fit your car, measure the place it will be going and look into the tank sizes available.
For example you might have 1200mm side to side, and 400mm from load bay floor to the height of your load bay cover (height of rear seat bench upright) you might decide you would like a fat tank which will come above the height of the rear seat bench upright say by 40mm so you could order a 1150mm tank x 440mm and you could then force your load bay cover over the top of the tank or have no load bay cover at all.
Advantage
If you have a large tank fitted, seriously cheaper long distance motoring.
But the best cheap motoring has to be from an old throwaway diesel running on FREE waste veg oil. a bit messy though.
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Another disadvantage if you take foreign motoring holidays - unless the rules have changed, you are not allowed to take an LPG-equipped car on the Channel Tunnel shuttle trains. Obviously not a problem if you prefer the ferry, but this would certainly put me off owning a car thus equipped.
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Plus conversions frequently end up not working very well or giving you trouble later on that no one can fix.
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TourVanMan TM < Ex RF >
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The situation has not changed, dual-fuel vehicles are prohibited from using the tunnel. It is possible to take LPG through the tunnel in cylinders, either loose or permanently installed, but not if used to power the vehicle.
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A friend of mine runs an older Omega 2 litre auto with an LPG conversion (40p per litre from his local Morrisons). He says it runs perfectly and the difference in performance between petrol and LPG is zero (altho' a 2 litre Omega auto isn't exactly a driver's car, lets face it). He says no problems in over 4 years.
Suits him for his 60 miles per day commute as it's halved his fuel costs, paid for the conversion in well under two years running.
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