[Diy_efi] GreenFire sparkplugs - any experience ?

[Bobby Yates Emory]

Ernie,

We have heat ranges for plugs now. Couldn't the glow plugs have advance 
ranges? Plug a has 5 degrees advance. Plug b is otherwise identical, but has 
10 degrees advance, etc.

Bobby



On 6/9/05, Ernest Buckler <ebuckler at icehouse.net> wrote:
> 
> Mike,
> I presume you saw my lengthy reply about the glow plugs for IC engines?
> They CONTROL the timing by the length and shape of the so-called venturi.
> One drawback of their product is that this pre-chamber is fairly large,
> extending outside the size envelope of normal sparkplugs. Also, different
> engines require different shapes, so one size does NOT fit all. Of course,
> that's true of normal plugs too, but these require significantly more 
> steel
> and machining. Trade off is that you don't need a distributor, hi-tension
> leads & caps, nor the coil(s). And, on the negative side again, you cannot
> adjust the timing - the "curve" is all built in and that's it.
> Ernie
> 
> ----- Original Message -----
> From: "Mike" <niche at iinet.net.au>
> To: <diy_efi at diy-efi.org>
> Sent: Monday, June 06, 2005 10:39 PM
> Subject: [Diy_efi] GreenFire sparkplugs - any experience ?
> 
> 
> > Chaps,
> >
> > There has just be a repeat "The inventors" program on ABC TV in
> > perth, WA re greenfire spark plugs - effectively the spark region
> > appears shrouded in a chamber with a few holes. Inventor claims
> > increase in efficiency and less pollution. Image of burn appears
> > like the stratified plasma discharge so who knows...
> >
> > I wonder if anyone has tried these on their cars and if any
> > advance to timing might be necessary as it appears it might
> > retard timing a little. Might reduce chance of pre-ignition from
> > a hot spot on the spark as the whole top is shrouded hence
> > better heat sinking etc
> >
> > Produced in Brisbane, Queensland - Australia
> >
> >
> > Regards from
> >
> >
> > Mike Massen
> > Perth, Western Australia
> > VL Commodore Fuse Rail that wont warp or melt !
> > http://niche.iinet.net.au
> >
> > _______________________________________________
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> >
> 
> 
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-- 
Toward freedom,

Bobby Yates Emory
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