sparkplug reading - Color Tune

[Shannen Durphey]

That's interesting.  I've never adjusted the gap size.
Shannen

Swayze wrote:
> 
> when I ran a CO2 laser, the tune-ups we did, one of the last steps was to set the focus, the arc would go from a bright yellow to bright blue like plasma. what effect does changing the spark gap have on 'colortune'
> 
> byE
> Mike
> Swayze
> mswayze at truswood.com
> kswayze at bellsouth.net
> 
> ----- Original Message -----
> From: "Shannen Durphey" <shannen at grolen.com>
> To: <diy_efi at diy-efi.org>
> Sent: Thursday, March 16, 2000 6:49 PM
> Subject: Re: sparkplug reading - Color Tune
> 
> > Spark plug with a "window".  I have one.  It's not for high rpm use,
> > or sustained loads, or high temp stuff.  Reach and heat range never
> > actually match the plug you're replacing.  But the idea is to watch
> > the flame color to tune a carb.  It's fun, and it can work at times.
> > Really neat to use on efi, watch flame color go from yellow to blue as
> > the ecm cycles lean to rich.  Eastwood Co. sells 'em.  They're on the
> > web.
> > Shannen
> >
> > Carl Summers wrote:
> > >
> > > Hi, Whats a Color Tune???
> > > -Carl Summers
> > >
> > > Click on this link below to see the easiest way to handle internet
> > > transactions.
> > >
> > > https://secure.paypal.com/refer/pal=drsagan%40pacbell.net
> > >
> > > -----Original Message-----
> > > From: owner-diy_efi at diy-efi.org [mailto:owner-diy_efi at diy-efi.org]On
> > > Behalf Of mike mager
> > > Sent: Thursday, March 16, 2000 9:21 AM
> > > To: diy_efi at diy-efi.org
> > > Subject: sparkplug reading - Color Tune
> > >
> > > The "New Color Tune" is here!
> > >
> > > I was greatly relieved to find that TRF (The Roadster Factory) had the Color
> > > Tune in stock (not out of production);  I got mine (with no shipping delay!)
> > > for about 50USD.
> > >
> > > Do any of you have experience with Color Tune?  David Vizard says that
> > > sparkplug reading is a very unreliable way of setting mixture strength;  he
> > > likes to use an EGO and a Color Tune.  I won't just automatically believe
> > > everything that I read, but his suggestion does at least pass a first check
> > > of reasonableness.
> > >
> > > Mike
> > > ______________________________________________________
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> >
> 
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