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Spark Plug Check Info

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Old Jul 16, 2012 | 05:07 PM
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Default Spark Plug Check Info

I found this link and was wondering how accurate it is. I found it in the forum searching plug check. Can someone verify if the color's are correct. If it is it could be really helpful to a lot of us.


http://www.dansmc.com/spark_plugs/sp...s_catalog.html
 
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Old Jul 16, 2012 | 05:30 PM
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Wow pretty complexe, I like the way they graduated the chart from cold to hot,but that was from the 70's right, Alot has changed EFI, fuel refining processes, addatives, epa and all that shyt, so here is a chart from NGK I was referred to on the tuning section of the forum. http://www.ngksparkplugs.com/tech_su...qs/faqread.asp . But you still can't place too much stock in plug reading these days as I have recently learned. My plugs look exactly like the one in example one "normal condition"
 

Last edited by maddghost; Jul 16, 2012 at 06:14 PM.
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Old Jul 16, 2012 | 05:31 PM
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Found this link to on plug cross-reference.

http://www.harley-performance.com/ha...park-plug.html
 
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Old Jul 16, 2012 | 05:34 PM
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Originally Posted by maddghost
Wow pretty complexe, I like the way the graduated the chart from cold to hot,but that was from the 70's right, Alot has changed EFI, fuel refining processes, addatives, epa and all that shyt, so here is a chart from NGK I was referred to on the tuning section of the forum. http://www.ngksparkplugs.com/tech_su...qs/faqread.asp .
I was thinking it was probably from the carb years and it probably wouldn't even reflect EFI. Wasn't sure. I like the link you have better.
 
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Old Jul 16, 2012 | 06:16 PM
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Glad to help.
 
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