givemethebighammer
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| posted on 21/9/05 at 10:23 PM |
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Colortune on zetec
Anyone ever used a Gunsons colortune on a zetec engine. One of my carbs is running a little rich (sooted plug). Seems like the easiest way to tweak
the idle mixture on that barrel. I'm just a bit concerned about the voltage of the HT leads (I understand the zetec runs a higher voltage than
most). The deep recessed, long reach spark plug also seems like it could cause problems.
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big_wasa
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| posted on 21/9/05 at 10:30 PM |
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As you say will it fit ? my compresion tester by the same firm wont 
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stevebubs
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| posted on 21/9/05 at 10:55 PM |
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Got one
Doesn't fit.
Adapter is supposedly available but no-one seems to stock it.
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DarrenW
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| posted on 22/9/05 at 07:54 AM |
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I had a problem on a 16V Golf with one of the plugs sooting up. Car basically ran OK. I traced the fault to an air leak on the induction system. Being
Bosch (jetronic???) it had to be perfectly sealed.
As an aside i also had an annoying fault that the car would run very well for a while then started to die off and splutter badly. Specialist couldnt
trace fault. I even fitted brand new fuel pump then later found the guy who fitted the immobiliser spliced into the pump main feed wires instead of
the relay feed and the pump was being starved of power.
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donut
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| posted on 22/9/05 at 08:26 AM |
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Can i ask.... what is a Gunsons colortune? Neaver heard of it before!
Andy
When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/
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NS Dev
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| posted on 22/9/05 at 11:54 AM |
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a see-through spark plug basically
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DarrenW
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| posted on 22/9/05 at 12:20 PM |
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ive just borrowed a coulourtune kit off my Dad to help set up my 38DGAS on Pinto. Are they easy to use and accurate? Am i right in assuming that you
simply replace a plug, fire up and observe the colour then tweak to adjust the colour??? Maybe im being sceptical but i would have thought removing a
spark plug would cause engine to run strange?
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stevebubs
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| posted on 22/9/05 at 12:55 PM |
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The colortune acts as a sparkplug....you plug the HT lead into the top and it does the sparking instead of the removed plug
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paulf
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| posted on 22/9/05 at 08:52 PM |
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I have one somewhere , i used it years ago on my mgb but found it just as easy to adjust by ear .It only allows the idle mixture to be set correctly,
so no real use in my opinion except maybe to help with the mot emission test.
Paul.
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