Ah sorry, I have a huge headache. What I meant to say at the end of the first paragraph is you’d need to change those things in C++ if you wanted each wheel to be simulated the same way.
Also, just to add. You may be able to use a Spring Controller node for each bone you want to simulate. It may take some tweaking for all wheels to behave the same way with this, but it is an option if you don’t want your instanced wheels completely imitating the simulated ones.