Fair enough. You've added considerably since the first post, it's just odd to me to focus on perfect geometry for a street driven car on all seasons, but to each their own.
There has been pretty reasonable bumpsteer discussions on NRR over the years, though most of the graphs are missing. In competitive classes you can't usually touch that stuff, though, so prob not as much info as you want.
https://www.nissanroadracing.com/for...mann-questions
https://www.nissanroadracing.com/for...teering-angles
https://www.nissanroadracing.com/for...stment-article
Jason's pcitures are gone but I'll see if he still has them squirreled away somewhere.