The engine was positioned on the mount with the required spinner back plate clearance and the mount scribed for the engine mounting holes. The engine mount was drilled and taped with a 6 - 32 tap.

The clearance for the pump lines on the back of the engine are pretty close so I added a little more gap between the front of the nose and the spinner back plate. The clearance is a little over 1/16” and I usually like to have it less than 1/16”.

I laid the fuselage over the plans to check the header and tuned pipe fit and it looks great. Macs must have made this pipe header for the Blue Angel. The pipe will fit neatly and tightly up under the wing and fuselage perfectly.

View of the engine bolted to the mount, the pipe header and the view of the nose without the spinner.

To be continued…