What we are missing is a detailed step by step guide to configure tracked vehicles to work correctly in PhysX.
It would be very nice to see a complete start to finish sample of how Geometry. PhysX geometry, mass, gearbox and wheel configuration all interact and how BIS developers create good movement. For example how exactly how all values are calculated and derived. This also pertains to tracked amphibious capability.
We often hit a problem where the vehicle can slingshot for example when turning in place.