Here is the best response to the issue.
The diff brace helps but is not a wheel hip eliminator. One can still induce hop if one tries hard enough.
Here is the best response to the issue.Wheel hop is cause by spinning and grabbing. Just don't spin! Simple no?
Your OWN example you had no issue at first when the track was on point. Nothing wrong with the car. It was the TRACK or your setup (tire pressure, burnout length, launch style and launch RPM).
SUPER IMPORTANT: Re Torque those 2 verticle 12mm bolts. DO IT!