This is the best most recent thread I've seen:
https://www.toyota-4runner.org/4th-g...-learning.html
Also read up on AccuTune where they talk about on-road vs off-road, high speed vs low speed, and big woops vs small washboard across different types of suspension. I have 6112s, and for what I need - east coast potholed roads, highspeed rutted roads - and they are not the right shock. They are digressive when I should be running linear or progressive.
Digressive vs Linear vs Progressive Pistons & Shock Valving | AccuTune Off-Road