[Diy_efi] GreenFire sparkplugs - any experience ?

[Ernest Buckler]

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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