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9YaTaH
 Post subject: Colourtune
PostPosted: Thu Mar 10, 2005 10:36 pm 
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You out there Rob??? Listen up!! :wink:

Went to another entertaining MG Car Club meeting tonight
(yeah...I know...don't ask!!)

Disturbing news re 30 years old colourtunes.....evidently the old plastics don't like modern unleaded fuel .....they melt!!!

BE WARNED :!: BE AFRAID, BE VERY AFRAID :shock: :!:

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drmini in aust
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PostPosted: Fri Mar 11, 2005 6:34 am 
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Do what I'm a gonna do- build an air/fuel meter! :lol:

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68matic
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PostPosted: Fri Mar 11, 2005 7:16 am 
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what are colortunes

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CPOCSM
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PostPosted: Fri Mar 11, 2005 7:38 am 
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Noted Mick - my last one was glass(I know this for a fact as one of my children tried to test its shatter resistance with a hammer...lol) but the new one is glass as well. I dont use the telescope thingy anyways so I should be right. Besides - as long as you clean it immediately it should hold up.

68 - the Gunsons Colortune is a device you substitute for a spark plug to show you the burn characteristics of your fuel/air mixture...quite handy trying to get the mixture right(esp with twins...Carbies that is)

Rob Forsyth
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68matic
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PostPosted: Fri Mar 11, 2005 8:18 am 
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thanks Rob: sounding very familiar now

you stick it in, it shows a colour and you say too rich or too lean, or if youre lucky, just right :D

colour ... tune

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CPOCSM
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PostPosted: Fri Mar 11, 2005 11:17 am 
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Yeppers - aiming for that elusive bunsen blue colour...lol

Rob Forsyth
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68matic
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PostPosted: Fri Mar 11, 2005 11:20 am 
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hey, so there were ones made of plastic that you were supposed to stick down the head of a car which reached temperatures of over 600 degrees?

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EST-071
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PostPosted: Fri Mar 11, 2005 11:44 am 
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Can you still buy colourtune plugs? If so where from?
Pete

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gafmo
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PostPosted: Fri Mar 11, 2005 3:57 pm 
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Padstow Pirates have then..I think $80

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CPOCSM
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PostPosted: Fri Mar 11, 2005 4:44 pm 
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Auto Pro for $90 bucks - already paid for itself let me tell you

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J_A_M
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PostPosted: Sat Nov 26, 2005 9:43 pm 
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I used one this week.

Tested carbs 'as is' with colourtune and one was out. So I removed the dash pots and set both jets to -0.045" then replaced the dashpots and ran the colourtune plug again. Spot on.

Nice tool :D
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aaron
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PostPosted: Sun Nov 27, 2005 7:12 am 
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$60 landed from minispares UK.... I bought 2 sold one on ebay for the price i got two for :lol:

Cheers

Aaron

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