With the carbs lifted free the barn dirt shows itself in the cylinder valley. A peek into the carb bowls reveals the expected gummy varnish coating the brass jets. But everything's intact, the control linkages are free and there's no other obvious issues at this point.
(click on an image to enlarge)
(Below) More bad news as I find the instrument panel to be loose on its mounts. A quick inspection revealed the cause — all three mounting points have been broken free of the housing. Fortunately, I have a spare housing if we get to that point.
The sequence is familiar: Rebuild the carbs, adjust the valves, check compression, flush the coolant and change the oil. At that point we'll press the magic button to see if we have a viable project. Stay tuned.