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Old 21-04-2009, 06:58 AM
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Stu @ M Developments
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Default Interested in Spark plugs?
Maybe my latest downloadable article will be of interest to you?
http://www.motorsport-developments.c...AF272_tech.pdf
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Old 21-04-2009, 11:27 AM
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A good read.
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Old 21-04-2009, 11:28 AM
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As per my comments on the breathing mods thread, very well done for keeping your column so interesting and informative
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Old 21-04-2009, 11:39 AM
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Good read
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Old 21-04-2009, 11:55 AM
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good article, but i'm disappointed that you don't explain how the spark can get blown out
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Old 21-04-2009, 01:26 PM
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Originally Posted by foreigneRS
good article, but i'm disappointed that you don't explain how the spark can get blown out
The spark dosen't get blown out. The more boost (or higher compression) you run, the dense'r the mixture gets, and the resistance across the plug gap increase's to the point that there is not enough energy in the spark to jump across the gap. Decreasing the gap reduces the resistance.

John
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Old 21-04-2009, 03:24 PM
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very interesting Stu. Can you explain what the disadvantage of reducing the plug gap might be
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Old 21-04-2009, 03:46 PM
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Originally Posted by johnny99
The spark dosen't get blown out. The more boost (or higher compression) you run, the dense'r the mixture gets, and the resistance across the plug gap increase's to the point that there is not enough energy in the spark to jump across the gap. Decreasing the gap reduces the resistance.

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Old 27-04-2009, 10:43 PM
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Originally Posted by foreigneRS
good article, but i'm disappointed that you don't explain how the spark can get blown out
LOL. I wonder whatever happened to that fella?
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