318 MAX fuel economy builds?

I've read numerous such papers. Some are comparing ignition systems, some squish pad clearances, others other aspects. With that type equipment, you can test all sorts of cool stuff and get remarkably accurate data. I wish I had regular access to that caliber lab equipment. (I have had limited access to certain equipment for the duration of the project in the past, but never owned such expensive test equipment.)
I know where you're coming from but that's how you leverage their knowledge and experience. You would be surprised what you can see with something just as simple as a data logger and monitoring just a few parameters. That paper is especially poignant when you combine that with a good understanding of plug reading.