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Intermittent spark

  • Thread starter Thread starter 1929fordtudor
  • Start date Start date
1

1929fordtudor

Guest
A couple questions,
1. When I was using my carbtune the other day, I noticed the spark was kind of intermittent. Does that make sense? You know, it would be sparking really good and then like miss, not a steady spark. What would cause that?
2. My spark was a yellow color only on the number 2 carb and the carbtune said it should be a nice blue. In order to get it to the blue color I actually had the air screw lightly seated. Number 1 wasn't a whole lot better, about a half turn out. Three and four were real good, about 1 1/2-2 turns out. I guess the obvious would be I have a vacuum leak somewhere is that correct?
Thanks for the help.
 
Just guessing... bad plug cap (5k value), spark plug wire cracked or a fouled spark plug...
 
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