I went to the hangar and first thing I did was to check the spark plug wire locations. Since there was such a drop in RPM at run-up last time I thought that this might be the most likely reason for it. Sure enough, despite my efforts to keep the right plug in the right place, the top plug wires for #2 & #4 cylinders were switched. I moved them to their proper location and did another run-up. The ignition test passed with only a 150 RPM drop in each A and B ignition.
I removed the gascolator and checked and cleaned screen. Everything looked pretty clean. I also removed and checked the carb bowls. This took a little work but manageable, especially with the right carb since there wasn't as much space.
This completed PAP G6!
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| Incorrect top spark plug wire location |
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| Correct Spark Plug wire location |
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| Gascolator filter check and cleaning |
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