For anyone interested, I calculated the approximate locations of the CLR and Total CE for a P367. Diagram also has the Main and foretriangle Centers of Effort. If anyone has original (or copies of) blueprints with these marked, please double-check my diagram to see how far off I am.
Lead is about 15.8%
Edit: 1/6/18: Corrected the lead and uploaded new jpg. Previous data were calculated incorrectly.