Yep, “way out there” on the lean graph a very high compression ratio does not knock
like this 2016 post shows in the Porsche graph by a guy named Gruden

https://board.moparts.org/ubbthreads/ubbthreads.php/topics/2182726/1994-5-9-magnum-upgrades.html

same graph shows that a “pig rich” mixture does not knock