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Coil Wire Questions

Started by Jay Bee, July 04, 2025, 12:32:16 PM

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Jay Bee

Looking at the picture I'd like to know the following.
1. Is there any reason for concern for such a big resistance difference between wires #1 and #3.
2. What, if any, effect would the 5.75Kohm one have on an engine because I didn't notice any.
All the plug wires fall between 525 and 815 ohms, shortest to longest. I was expecting #1 and #3 to fall in that range, #2 is too short to use in my car. As always, TIA for any and all input or opinions

John

 

Bullitt-

  From what I can surmise #1 is 5,0000 ohms per foot which is pretty good for the average graphite wire which runs 8,000-12,000 ohms per foot.
  #2 & #3 must be a higher quality, probably spiral core, wire that are about 500 ohms per foot. I would have no issues using any of them.
  I think the lower resistance wire is made for higher end ignition systems where people want a wider spark plug gap thinking that somehow enhances performance so unless that is your goal it's just more $$$.   
.         Doin It Southern Style
       

Jay Bee

Thanks for that, explains why I didn't notice any difference when running with #1 or #3.


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