For anyone curious how the L78 fares in 2023 Automation, here’s the answer:
I wasn’t aiming for the factory SAE Gross rating, only curves and ratios, the big issue was the compression. 11.0:1 compression needed Avgas to get running lol! Though it did mean getting to 85% of Gross.
If you want to know how a high quality Avgas or lowered compression so can run on Super went, view here: Ray_V0lut10n's engines thread - #7 by Ray_V0lut10n