FWIW this was what I had in my old 700r4.
5 pinion front planet
Steel forward clutch piston
Corvette servo
Oversized TV boost valve (K020 by superior )
Main boost is .500
Roller bearings ring gear support (05+ 4L60)
Beast sun shell
Hydraulic lock up (by superior, White spring 2nd highest)...
I tried to pull the specs for that valve and came up empty handed. What is the CM^3/rev for that valve? How many turns are you getting from lock to lock?
You would never hit the theoretical max where would start to lose Forward and aft control unless you had the worlds funkiest set up that probably not even possible to package. I think that’s what you are asking.
Dual triangulation (sum of link angles exceeds 45°) will allow you to ditch the track bar any less and you will not have enough resistance to lateral load. Since your arc will now be on a plane parallel to the frame rails you have to go full hydro or have a bell crank system to keep from having...