hey all,
actually the hatter (yknow the mad one) used mercury
to cure pelt for his hats - but lead still sucks...
they used to have lead paint on the sydney harbour
bridge - imagine how much crap has come off it since
its opening!!!
Linc.
--- Rick White <[EMAIL PROTECTED]> wrote:
> So is that where the saying Car Nut comes from.
> From getting too muck lead in the system and going
> mad.
>
> --- "Ken Abraham" <[EMAIL PROTECTED]>
> > wrote:
> >My understanding is that,
> >Adding Lead Sulfate to Petrol is cheaper than
> re-refining 'catalytic
> >cracking' to get PULP.
> >Lead is being phased out of various products
> because it can affect the
> >development of young people and is permantly stored
> in the body and the
> >environment. In high doses lead can cause mental
> problems - 'As mad as a
> >Hatter' (Historically Hat makers used Lead to cure
> felt - or something)
> >But I am not a Greenie, I just want my car to go
> hard, petrol to be cheap
> >and Police to look the other way.
> >If we must be environmentally sensitive then you
> can just buy Regular
> >unleaded and make or buy additives.
> >Toluene can be used to increase the RON of Petrol,
> and a little bit of ATF
> >can be added as a cleaning agent. There is a recipe
> floating around
> >somewhere.
> >I don't know what upper cylinder lubricants are
> made from (Graphite?).
> >There are a few ChemEng types on the list
> >Perhaps they know some more.
> >Regards,
> >Nick
> >----- Original Message -----
> >From: jessica Downes <[EMAIL PROTECTED]>
> >To: <[EMAIL PROTECTED]>
> >Sent: Saturday, 6 January 2001 11:16 PM
> >Subject: Re: LRP
> >
> >
> >>
> >> Running phosphorus or magnesium through your
> engine cant be any better for
> >> it than lead is to the environment. I may sound
> like an idiot, but what
> >type
> >> of fuel is optimax and how does it run as well as
> leaded? and if it did,
> >why
> >> weren't we all using it in the first place? What
> would you all recommend
> >in
> >> the long run for dattos? Because, quite frankly
> LRP is shit!
> >>
> >> Jess.
> >>
> >> >From: Craig Overend
> <[EMAIL PROTECTED]>
> >> >Reply-To: [EMAIL PROTECTED]
> >> >To: [EMAIL PROTECTED]
> >> >Subject: Re: LRP
> >> >Date: Fri, 05 Jan 2001 17:26:45 +1100
> >> >
> >> >As I understand it the main problem with running
> unleaded in engine
> >> >designed for leaded is valve seat recession. If
> an engine has been run
> >> >on leaded for all its life, converting to
> unleaded initially you won't
> >> >see a problem until 6-12 months down the
> track(depending on use) when
> >> >the embedded lead in the metals is eventually
> cleaned away. Recession
> >> >then only occuring in engines with soft valve
> and seat materials. The US
> >> >has been running dato's on unleaded for years,
> here in OZ the only L
> >> >engine that may have a problem with unleaded is
> the early L16 that used
> >> >softer valve seats.
> >> >The other area of concern has to do with valve
> material. Since lead acts
> >> >as a lubricant it reduces friction and therefore
> heat. Exhaust valves
> >> >can then get too hot running unleaded creating a
> number of problems such
> >> >as burnt valves that dont seat, valve/seat
> pitting or become preignition
> >> >points.
> >> >As long as the octane of the unleaded is adequet
> I don't see a problem
> >> >with using it is a datto. Keep an eye on valve
> lash setting for
> >> >indication of wear just to be safe.
> >> >Optimax raises another issue to do with the
> amount of aromatic compounds
> >> >used in it as a replacemnt for lead to increase
> the octane level. There
> >> >can be problems with rubber seals/hose in the
> fuel system being eaten
> >> >away over time, and synthetic rubber is then
> called for. Optimax does
> >> >have limited lubrication abilities but nowhere
> near enough for soft
> >> >valve/seat engines. Even LRP is not as good as
> leaded for lubrication
> >> >and cooling. I personnaly wouldn't use unleaded
> without a working
> >> >catalytic converter either.
> >> >Just this week I saw on the news where BP
> somewhere is OZ released a low
> >> >sulfur content Diesel fuel that did just that,
> eat the rubber seals.
> >> >
> >> >seeya,
> >> >Craig.
> >> >
> >> >Richard Webb wrote:
> >> > >
> >> > > What do you have to do to run optimax? I run
> Leaded at the moment. Do
> >> >they
> >> > > have a lead supplement? or can you just swap
> straight over to optimax!
> >> > > Thaught it would be a good idea now petrol is
> down in the 80's = )
> >> > >
> >> > > rich
> >> > >
> >> > > ----- Original Message -----
> >> > > From: "Michael Foreshew"
> <[EMAIL PROTECTED]>
> >> > > To: <[EMAIL PROTECTED]>
> >> > > Sent: Friday, January 05, 2001 9:55 AM
> >> > > Subject: Re: LRP
> >> > >
> >> > > > Ken,
> >> > > >
> >> > > > Had a similar story with my rally car. It
> is an L18 and has not
> >been
> >> > > modified other than carbs (SU's), extractors
> and elec. dizzy. I found
> >> >mine
> >> > > would run really crap until I revved the
> rings off it and then would
> >be
> >> >OK.
> >> > > >
> >> > > > I have been running Optimax for the 4-5
> months and the thing is so
> >> >much
> >> > > happier. Idles better and non pinging,
> hesitation, whatever. Part
> >> >throttle
> >> > > response is good. The only problem was I had
> to replace fuel filter
> >> >(twice)
> >> > > as the Optimax has a cleaning agent which
> removed all the crap from
> >the
> >> >fuel
> >> > > lines and tank.
> >> > > >
> >> > > > --- "Ken Abraham" <[EMAIL PROTECTED]>
> >> > > > > wrote:
> >> > > > >
> >> > > > >
> >> > > > >
> >> > > > ><DIV><FONT size=2>List
> Members,</FONT></DIV>
> >> > > > ><DIV><FONT size=2>I have discovered the
> reason for my rough running
> >> > > > >L20.</FONT></DIV>
> >> > > > ><DIV><FONT size=2>Lead Replacement
> Petrol.</FONT></DIV>
> >> > > > ><DIV><FONT size=2>On part throttle
> openings when the vacuum advance
> >> >is
> >> > > working
> >> > > > >it runs poorly, but when you WOT it the
> vacuum advance ceases
> >> > > to advance
> >> > > > >and the engine 'comes alive'.</FONT></DIV>
> >> > > > ><DIV><FONT size=2>Strangely, it doesn't
> 'ping' it just
> >> > > misfires.</FONT></DIV>
> >> > > > ><DIV><FONT size=2>Modified engines
> should probably not drink
> >LRP
> >> > > even for
> >> > > > >commuting.</FONT></DIV>
> >> > > > ><DIV><FONT size=2>What are your
> experiences?</FONT></DIV>
> >> > > > ><DIV><FONT size=2>Regards,</FONT></DIV>
> >> > > > ><DIV><FONT size=2>Nick</FONT></DIV>
> >> > > > ><DIV><FONT size=2> </FONT></DIV>
> >> > > > >
>
=== message truncated ===
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