Color Tune source

[Doug Rorem]

>> Subject: Re: Color Tune
>> 
>> At 08:45 7/30/96, Hans Hintermaier wrote:
>> >John Dammeyer wrote:
>> ><I have a color tune spark plug and I can use it to set
>> ><idle mixture by looking through the quartz window in the sparkplug and
>> ><adjusting for blue ignition;  too rich is yellow/orange
>> >
>> >Can anybody tell me something about the colortune spark plug ?
>> >(manufactor, price) I know it only as glow plug for model engines and
>> >have never heared about spark plugs with the same feature.
>> >Thanks
>> >Hans
>> >hiha@ brain.nefo.med.uni-muenchen.de
>> >Munich / Germany
>> 
>> 
>> You see, John knows what he is talking about since he has two color tunes
>> (hi boss).  A color tune is made in the UK by a company called Gunson.  It
>> replaces your spark plug during your testing, has a quartz glass window
>> that the centre electrode passes through.  When the mixture in the cylinder
>> burns you can see the color of the flame.  They are available at specialty
>> shops like Moss Motors in US or MiniMania, Se7en Enterprises, or other brit
>> bits places.  Last time I bought one I paid about $CDN40 (which is about a
>> buck and a half US these days :-)
>> 
>> I have used this beast to tune my Mini, VW Rabbit GTi (with O2 sensor
>> disabled), rototiller, and 2 cycle lawnmower (the color changes slightly
>> due to the oil).
>> 
>> Aaach, they're brilliant.  Go out and buy one, and a Volvo 850 as well.
>> 
>> A
>> 
>> --
>> Andrei Chichak                   | Information Systems
>> agc at mercury.uah.ualberta.ca      | University of Alberta Hospitals
>> (403) 492 - 4431 (work)          | CSB 8-120
>> (403) 492 - 3090 (fax)           | 8440 112 Street  Edmonton, Alberta
>> http://cooper-s.uah.ualberta.ca  | CANADA  T6G 2B7
>> 

The colortune tester is also available from Rapid Parts in New York (914)-352-1138.
The part number I have is 000-265678863 ( $55.95 in their old price book).
I was thinking about getting one myself.

--
Doug Rorem
University of Illinois at Chicago         (312)-996-5439  [voice]
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Chicago, IL 60607-7053                    rorem at uic.edu