I'm sure those things do make an improvement and don't doubt your ability to do the work. But it seems like a big effort with the risk of making new spark tables. From my flying days I have a lot of experience with mixture management. With only the replacement of the stock O2 sensor with one that transitions at 13.8 or 14.1, the 1150 is transformed in performance. You can wait for closed loop adaptation to get things in sync or boost the fuel pressure or shift IAT to speed the adaptation process. The other approach, also relatively easy, that I haven't tried are Lennies sprockets. I don't know how the performance gains compare with the simple lambda shift, but the off-the-shelf advance sprockets sound pretty easy. All that said, many of us are very interested in your data.