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>
>> > > > >
>> > > >
>> > > > _____________________________________________________________
>> > > > Get Your free Ozdat Email Account
>> > > > ---> http://www.ozdat.com
>> > > >
>> > > >
>> > >
>> >
>>
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