Re: Spark plug gap question?
You will find wildy varying opinions on spark plugs. I don't know of anyone who has any kind of high tech machine to measure actual spark performance. Mostly based on our own experiences.
My personal preference for an old GM engine is an old AC spark plug. If you can find the "C" plugs, even better, as in a CR43 or a CR43S. They come up on ebay from time to time and are a better plug, normally way cheaper than the "right" plug.
If Eric rebuilt your carb, you can almost eliminate that. Yes, he is human, but not likely an issue. Divorced choke? Again, make sure it is closing.
With no more info than we have to work with, I would suspect the Pertronix.
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