Okay,
Today I spoke with one of Digikey's sales rep. and they got me the same part you recommended.
So the package should come sometimes before the weekends. I'm shooting for a completion of a CDI unit this coming weekend.

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Bigboat mentioned that every engine is different, so what do I have to do to change it to the right configuration on the excel sheet for a McCulloch engine? ...
Just mess around with it til I get it right ?

eeeek