If you're trying to develop components, such as a tire or suspension part, you'll want to use a chassis that they're meant for. A 4 wheel independent suspension monster truck chassis is going to behave very differently from a solid axle crawler. Likewise, a buggy or truggy has different...
Might help if you would be less cryptic about your project. I work in a world of servo motors with high resolution encoders and resolvers facilitating extremely precise rotary movements, but can't for the life of me figure out why you'd want that at the wheels of an RC ground vehicle. I...