Hopefully, you installed non-resistor spark plugs and copper core plug wires, but I really don't think that is the problem here. What I think might be happening is that since the engine has been setting for so long, there is now some rust in those cylinders, and of course there is always a carbon build-up. I think little specks of the rust and carbon are breaking loose and then lodging temporarily in the gap of your spark plugs. With the actual compression as high as it is, those specks are eventually blown out, and then all is well again for at least awhile. The solution might be to get the engine good and warm, and then make it work hard for 30 minutes or so.
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Today's Featured Article - Harvestin Hay: The Early Years (Part 2) - by Pat Browning. The summer of 1950 was the start of a new era in farming for our family. I was thirteen, and Kathy (my oldest sister) was seven. At this age, I believed tractor farming was the only way, hot stuff -- and given a chance I probably would have used the tractor, Dad's first, a 1936 Model "A" John Deere, to go bring in the cows! And I think Dad was ready for some automation too. And so it was that we acquired a good, used J. I. Case, wire tie hay baler. In addition to a person to drive th
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