Back at it, now that the wing is in the fuselage I can make sure the engine down and side thrust are set correctly before finalizing the engine installation and cutouts.
Photo 1 shows my Robert Incidence meter on the wing with the airplane blocked up so the wing is at 0. Difficult to see because of the background clutter in the photo. The digital incidence meter on the engine is a Hobbico digital purchased from Horrizon. I bought the long extension they offer and cut a piece off just long enough to hold the meter mount and one end mount. This way I don't have the extra weight of a long rod hanging out in front.
I had drilled and taped the top motor mount for one engine hold down bolt leaving the other 3 unmarked. Once I had the engine down thrust set at 1.2 deg I marked the other 3 mounting locations. 1.2 deg is what My Latency ended up and saw no reason to go any less or more as the airplanes are real close to the same numbers. The engine mounting holes are somewhat larger than the 4-40 screws and even though it's centered at 1.2, I can adjust it from about 0 to 2 deg simply by loosening the mounting bolts and rotating the engine.
Next is setting, actually just checking the engine offset. Some time ago I grabbed a 14 inch piece of 1/2 X 1/4 spruce and drilled a hole in the middle. I stick this on the front of the engine and either check the angle from the fuselage sides or in this case (because the wing is symmetrical) I can simply measure to the wing. I like a little bit of offset, about 1 deg or so, the Saito has enough power it doesn't cost anything. Turns out the firewall ended up right at 0 so I will use a 1 deg Brodak wedge under the engine to give it 1 deg offset.
Now that I know exactly where the engine is going to be located I can check and finalize the cutout clearance, locate the needle valve hole in the top of the fuselage and locate the choke adjustment hole in the bottom cowl. Locating these holes was easy using the RC carb with the barrel and needle removed. With the engine installed I dropped a small piece of music wire down through the spray bar and poked a hole in the top block. Then I installed the cowl and poked a hole through it from the top using the same piece of music wire.