Long story short, I can’t seem to figure out why my suspension is acting this way. When it’s connected to the other car, it tends to start rocking unpredictably.
This is here with the second car connected via a Rod. It’s worth noting that I’ve tried doing BallSockets, Hinges and other forms of connecting the cars together and all of them result in the same behavior.
Here is without the second car attached.
Originally I had a Prismatic attached at the center of the wheel set + a spring and a torsion spring attached to the top of that. However, the torsion spring didn’t really give me the result I wanted and opted to using two additional springs on each side. Regardless, with and without the Torsion spring, it was the same behavior.