Ferrari Mailing List: Re: Spark plug reading?

[Doug and Terri Anderson (dnt]

Well then Peter - no question about it - its the photographer.  heh heh
DOUG

----- Original Message ----- 
From: "Peter Pless" <ferrarilist [at] pless.com.au>
To: "DOUG" <dnt [at] dock.net>
Cc: "'The FerrariList'" <ferrari [at] ferrarilist.com>
Sent: Wednesday, August 15, 2007 6:17 AM
Subject: Re: [Ferrari] Spark plug reading?


> Thanks Doug.
>
> That's so funny about the pic qual. I bought the cheapest camera I could
> find at the supermarket!!...only because I was photographing my engine
> rebuild...so..it's a no name brand. Never had a camera before this, really
>
> -----Original Message-----
> From: Doug and Terri Anderson [mailto:dnt [at] dock.net]
> Sent: Wednesday, 15 August 2007 11:11 PM
> To: Peter Pless
> Cc: 'The FerrariList'
> Subject: Re: [Ferrari] Spark plug reading?
>
> Hello Peter - looks good to me.  It is the insulator that we look at to 
> see
> what's going on.  The carbon soot is normal of a motor driven about, 
> idled,
> then shut down.  Now if the insulator looked like that - or heaven forbid
> was bright white - a sign of too lean or the plug is too hot - then you 
> may
> have a problem.  Champion plugs used to have all sorts of charts to use
> going from good to bad to ugly.  The worst one?  No insulator left - just 
> a
> gnarled mass due to detonation.
> DOUG
> ps - nice picture - good close up detail.  What type of camera?
>
>
> ----- Original Message -----
> From: "Peter Pless" <ferrarilist [at] pless.com.au>
> To: "DOUG" <dnt [at] dock.net>
> Cc: "'The FerrariList'" <ferrari [at] ferrarilist.com>
> Sent: Wednesday, August 15, 2007 12:00 AM
> Subject: [Ferrari] Spark plug reading?
>
>
> > Does anyone know what this means?
> >
> > http://www.pless.com.au/308plug.jpg
> >
> > It's from my newly rebuilt 308GT4 engine. 10:1 compression running on
> > unleaded fuel.
> >
> > Programmable ignition gives it lots of advance.
> >
> > When the plug was pulled, I'd come back from quite a long drive, but the
> > last bit of it consisted of traffic and plenty  of idle speed stuff.
> >
> > What's with the carbon on it already? Engine's only done 600 miles....and
> > I've been nursing it.
> >
> > TIA
> >
> > Peter
> >
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