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From: GT on 5 Aug 2010 11:07
After converting an unleaded petrol car to LPG, can it still run on petrol
or is it LPG only? I was thinking about it, but lack of LPG stations is a
concern, so petrol as a backup is peace of mind.


From: Partac on 5 Aug 2010 11:15

"GT" <a(a)b.c> wrote in message
news:4c5ad399$0$13485$c3e8da3(a)news.astraweb.com...
> After converting an unleaded petrol car to LPG, can it still run on petrol
> or is it LPG only? I was thinking about it, but lack of LPG stations is a
> concern, so petrol as a backup is peace of mind.

Not only is it possible to run on both fuels, it is actually advisable to
run the odd few gallons of petrol through it - something about it being kind
to the valves I recollect.

Of course this may not apply if the converter has made a pig's ear of the
conversion, but then that's another story.

If you use an approved gas converter who can issue the appropriate
certificate (which you will need for your insurance) you won't have a
problem.


From: Adrian on 5 Aug 2010 11:19
"Partac" <petemac9294(a)tiscali.co.uk> gurgled happily, sounding much like
they were saying:

>> After converting an unleaded petrol car to LPG, can it still run on
>> petrol or is it LPG only? I was thinking about it, but lack of LPG
>> stations is a concern, so petrol as a backup is peace of mind.

> Not only is it possible to run on both fuels, it is actually advisable
> to run the odd few gallons of petrol through it - something about it
> being kind to the valves I recollect.

It stops the petrol injectors/pumps etc drying up and corroding. Since
the LPG evaporator is water-heated to prevent icing up, they usually
start and warm-up on petrol, anyway.
From: Mike P on 5 Aug 2010 11:25
GT wrote:
> After converting an unleaded petrol car to LPG, can it still run on
> petrol

Yes. They'll run on both. A separate tank is used for LPG. My Jeep had a
smaller petrol tank fitted as it used an LPG tank where the petrol tank used
to be, but most have a tank in the spare wheel well or boot, and the petrol
tank stays untouched. Most, if not all systems start on petrol, then switch
over to LPG automatically when the vapouriser gets up to temperature after a
minute or so, and will switch back to petrol automatically when the gas runs
out - the Jeep certainly did anyway.

--
Mike P




From: GT on 5 Aug 2010 11:23
"Partac" <petemac9294(a)tiscali.co.uk> wrote in message
news:8c02svFik0U1(a)mid.individual.net...
>
> "GT" <a(a)b.c> wrote in message
> news:4c5ad399$0$13485$c3e8da3(a)news.astraweb.com...
>> After converting an unleaded petrol car to LPG, can it still run on
>> petrol or is it LPG only? I was thinking about it, but lack of LPG
>> stations is a concern, so petrol as a backup is peace of mind.
>
> Not only is it possible to run on both fuels, it is actually advisable to
> run the odd few gallons of petrol through it - something about it being
> kind to the valves I recollect.

So there is a switch of some sort - is this automatic or manual?


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