Think of the spark gap in an automotive spark plug.Â* That's normally
around .028" to .032".Â* Some electronic ignitions call for a larger
gap.Â* Borrow a set of feeler gauges or a caliper and see what .040"
looks like.

On 2/18/2018 6:26 PM, Charlie M. (UH & 002 owner/pilot) wrote:
I would really think it is supposed to be 0.040" thick, that's like a couple sheet of paper, your number is very thin.

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Dan, 5J