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Colour tune spark plug
https://www.ausmini.com/forums/viewtopic.php?f=2&t=55468
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Author:  chance_favours [ Sun Jul 26, 2009 3:53 pm ]
Post subject:  Colour tune spark plug

Has anyone ever used a colour tune spark plug ? It's a unique test spark plug with a glass top that takes the guess work out of carburettor tuning.

Pros / cons ?

Author:  Mike_Byron [ Sun Jul 26, 2009 4:37 pm ]
Post subject: 

Yeah a few of us have it. Its pretty good but really only good for setting the setting at idle when you have an SU.

The profile of the needle is what really determines the ultimate correct needle for the engine all the way through its rev range. Great for a standard engine though.

Mike

Author:  sgc [ Sun Jul 26, 2009 5:53 pm ]
Post subject: 

As Mike says, the Colourtune won't help you select the right needle but if you have the right one, it's a great way to set the idle mixture (which is all you can set on an SU anyway).

It's pretty much invaluable if you have twin carbs, as it allows you to get both carbs to exactly the same mixture with no fuss.

Author:  BBY755 [ Sun Jul 26, 2009 6:24 pm ]
Post subject: 

There is a whole topic with pics on this thing - think I can find the bugger again?????

Just reading yesterday...where is it now???

Author:  mini maxx [ Sun Jul 26, 2009 6:50 pm ]
Post subject: 

How thoroughly outragious, a glass spark plug thingy...i gotta get one so all my friends can go oooooohhhhhhh aaaaaahhhhhh :lol:

Thats right up there with see throo dizzy caps :lol:

Author:  drmini in aust [ Sun Jul 26, 2009 6:52 pm ]
Post subject: 

mini maxx wrote:
How thoroughly outragious, a glass spark plug thingy...i gotta get one so all my friends can go oooooohhhhhhh aaaaaahhhhhh :lol:

Thats right up there with see throo dizzy caps :lol:

Unlike a see thru dizzy cap, this is not designed to be run under power. That will melt the bugger... :lol:

Author:  mini maxx [ Sun Jul 26, 2009 7:10 pm ]
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Yeah but my mates will go oooooohhhhh aaaaaahhhhhh any way cos they aint too smart :lol:

Author:  simon k [ Sun Jul 26, 2009 7:41 pm ]
Post subject: 

http://www.ausmini.com/forums/viewtopic ... ht=gunsons

Image

Author:  BBY755 [ Sun Jul 26, 2009 8:03 pm ]
Post subject: 

Thanks!



:D

Author:  mini maxx [ Sun Jul 26, 2009 9:32 pm ]
Post subject: 

SOOOO COOOOL

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