Belated thanks for the carb info, Henry.
I haven't made a terrific amount of progress (on the engine) in the last week. Removal of the pistons and cylinders is all I managed. The condition of everything continues to appear very good. There was little to no slop between the wrist pins and rods. Nor is there any scoring or scuffing on either the pistons or cylinders. I plan to change the pistons to suit the cams. As for the cylinders, I'm not sure what the correct directive should be. The cross hatching is visible, but the bores are very smooth. At the top of the cylinders, where the pistons reverse direction there are three noticeably polished bands from the rings.
Now for a few questions...
As I understand it, the Nikasil cylinders can be re-honed. Is it fair to assume that this is the correct path?
Can anyone recommend a supplier for the service?
And since we're on the subject of machining/refurbishing services, I'd really like to use local sources if anyone knows of some in the metro Detroit area. I don't mind shipping parts out to the west coast, but it'd be nice to be able to drop things off and chat face to face with the peops doing the work if possible. Plus it sounds as though the usually mentioned suppliers in sunny CA carry pretty long lead times.
Also, do I need to invest in a proper stud removal tool, or is it safe use a couple of nuts and a bit of heat to extract the head studs?
Many thanks.