mylorace wrote:
> Noddy, your ignorance of LPG supply is about the same as your lack of
> knowledge of the Taxi industry,
> perhaps you are just a bit Melbournecentric. Australia is almost self
> sufficient with LPG,
Where did you dream that up, Australia ex****ts vast quantities of LPG so
are a lot more than self sufficient.
Boral are honouring a long term contract for the supply
> of LPG from Indonesia, that still has a year or two to run, this gas is
used
> in Brisbane and Sydney mostly for small cylinder fills , but now and
then
> some of this finds its way to the automotive supply.
> My experience as a gas user goes back to the mid 70's when Boral ran a
trial
> with 50 Sydney taxies, one was mine, they did the conversion for free,
on
> the proviso of a 12 month trial, there were only 2 fill points in Sydney
at
> that time, and from memory I think the gas cost about 8c a litre, less
than
> a third the cost of petrol anyway.
> In those days the average cab, (70% Holden 30% Ford ) did about 150 K
P/A,
> during the trial we all had problems with Valve guides and valve seats,
this
> problem was solved to some extent by running the cab on petrol with a
fair
> amount of upper cylinder lubricant added, for one or two days per week.
>
> Nowadays of course, the raw gas from the pump is a lot cleaner, and
> metallurgy has improved the suitability of guides and seats to the point
> where they are ALMOST impervious to the exclusive use of LPG,but not
quite,
> in a very high mileage vehicle like a cab (some 200K P/A these days) it
is
> still useful to give the guides all the help you can, hence the use of
HPR ,
> which does not have any detergents to clean sludge in petrol engines
(caused
> by blow by) but it does have a quality that allows a very small amount
of
> mist to lube the guides.
The type of oil you use will make no difference to valve guide
lubrication, Penrite HPR is very good oil and I have used it myself but
you are in fantasy land if you think it offers better lubrication of
your valve guides.
>
> So noddy please pull your head out of your arse, and dont think you know
it
> all.
>
What would Noddy and all the other qualified mechanics here who agreed
with him including me know, between us we have owned many cars running
on LPG plus repaired hundreds more but I suppose that doesn't count.
Daryl
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