I don’t know what you have tested in flight, but these changes are noticeable altering the flight model.
If the ground handling changes as well, it’s a nice byproduct.
No need to try it. Just by looking at your proposed changes I can predict what will be different concerning aircraft handling…if MSFS actually uses these values.
If it doesn’t, it’s a placebo effect.
edit: just reread your initial reply and you wrote:
It’s a formula for reducing the crosswind effect and increasing the rudder authority on any aircraft.
Why would increasing rudder authority only work on ground?