Gas conversion

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Arnirange

Member
Posts
85
Location
kent
I am thinking of having my range converted to LPG i have found a company in Strood in Kent. Does anyone know them or has anyone used them and can tell me if they are ok they are called medway duel fuel.
 
lpg conversions are an excellent way to make a large engine financially justifiable and help reduce harmful emmissions, unlike oil burners.

lpg can make the engine run hotter if its not set up correctly as it doent have the sqirt of liquid fuel. but if the setup is correct and slightly lean this avoids the issue. there are also products that introduce oil into the air flow but in my experience there is a bit of oil in the air intake so engine oil must be getting in there at some stage(dunno if it helps but ive had no ill effects!)

there are loads of lpg fitters around but you have to seek em out, dunno if its anywhere near you but wains claaic rebuilds does conversions and after speaking to them ( the owner, mark i think it was) they know thier stuff!!! plenty of experience and doesnt mind speaking at legnth over the phone to sort out issues and get the correct advice and system. i will hopefully be visiting him nxt year for a service on my lpg and get him to set it up etc etc!!
 
if you do convert get alot of capacity in the tanks, i get 94 litres in mine, close to the 100 litre petrol tank capacity!!! less fuel stops so you can get the best prices!!
 
gavbriggs said:
if you do convert get alot of capacity in the tanks, i get 94 litres in mine, close to the 100 litre petrol tank capacity!!! less fuel stops so you can get the best prices!!
Click to expand...
i still say **** it why bother.
agreed on space tho i have 140l (2x70)tanks and of course the more volumetric capacity the more efficent carrying gas is.I was getting equilavent of 28mpg to doisel cost.Just didnt suit me .
If makeing doisel i can acheive 45mpg equilavent cost then i win and no real loss of power.Top end loss yes but anyfooker over 70mph is bustin the law so why bother as average speed is king.....:D.

Petrol is cheap and so is money so just stick to petrol and get a small doisel car instead of burning the cash on gas kit.Nice little corsa or ibiza doisel will cost 2- 2.5k and save you pounds on small runs.You will out weight the saveing on fuel in this option by far.My doisel car is 65mpg so blasting round in the V8 can be afforded without the weight of gas tanks slowing me down costing fuel to carry.

Stay light and get a small car.job done.
 
Hi BoB
no is the short answer.
Each fire authority is independent and there is no 'universal' data base we can access. As long as the system is fitted properly its probably safer than petrol tanks. Much tougher construction and safety valves if pressure is exceeded ie in a fire. Once its venting and ignited its best to let it burn .Same for a gas main bar-b-que cylinder.
If it ruptures without igniting its a pain as it fills drains and gullies so we have to cordon it off untill we can disperse it
However some 'ahem' eastern european conversions are an orange cylinder in the boot bungee strapped in. pretty bangs
 
usually if its on fire the owner is out and waving frantically that it is a gas conversion , a badge or sticker would be useful but i look for the filler as its quite obvious.(to me as I drive an lpg car)

I have seen an orange cylinder strapped down , but not until the fire was out and we popped the boot. The car was polish registered.

Acetylene is the worst though , 200m cordon and a very big bang if it goes. 24hrs of a cooling jet before we will move it. how many diy mechanics have that? much more of a concern for us and again not registered
 
if you connert to gas go for a sequential system as it runs more like a petrol injection system.
running a gas system will cause overheating you need to run it rich to produce a cooler running engine.
on the whole if you run on gas only expect @13-15mpg but you can get upto 20+ mpg by tuning your engine and save on the gas conversion
 
vougese39 said:
if you connert to gas go for a sequential system as it runs more like a petrol injection system.
running a gas system will cause overheating you need to run it rich to produce a cooler running engine.
on the whole if you run on gas only expect @13-15mpg but you can get upto 20+ mpg by tuning your engine and save on the gas conversion
Click to expand...

this is true of any engine, set it up too lean on a petrol or gas and it will run hotter, more so on lpg. the multi point injection systems do not inject liquid fuel as petrol injectors do but a gas vapour( lpg at more or less atmospheric pressure) and is a 'dry' fuel without the cooling or lubricating properties of petrol!

it wont necessarily overheat but lean running is not recomended for anything, the cost savings of running lean in mpg is doesnot outweigh the cost of a new engine!! most(at least the newer ones) multipoint systems are self configuring to run at optimum fuel efficiency and heat has been taken into account. there are usually maps in the software for most cars and a good installer can set it all up correctly


dont be scared and constantly worrying about engine failure as these engines fail (p38 v8) anyway but there is no way of telling if its the lpg or just lack of proper care!!

a good service routine for both petrol and lpg are the best way to avoid engine damage!
 
I had my y2k 4.6 converted to lpg at Medway Dual Fuel. They were very good, and the fitting job was excellent. I had a Prinz fitted which very much wasn't the cheapest on the market, but the car runs substantially better on gas than it does on petrol, smoother and clearly making better power. My only gripe is that Prinz tell you that you'll get 80% of the mpg you get on petrol. I've yet to reach 70% and that's after taking it back a number of times for testing, which even included an on the road calibration test on the M2. My mpg tests were done on actual usage, filled at the same pump, at the same filling station, over thousands of miles, so the failing is in the Priz system. I spoke to Prinz themselves, and if you phone them today, they'll tell you you can expect at least 80% of your petrol mpg. Having said that, the intallation was excellent and I haven't had a peep from it in 26k miles.
 
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