What is the toe doing during jounce?

You can have one or several combinations of problems with this; Outer tie rod end to high or low, inner tie rod end to high or low, tie rods too short or tie rods too long, or partials of several of these.

If you have access to the Mopar Oval Track Modifications book, its got a full explanation of toe plots and suggested corrections.

Modifying inner up/down position is going to require a combination of shims and slotting/welding to move the entire center link up/down.

Also check both sides, they may not necessarily perform identically.