[lincpimp]

Man you guys are being a little tough on Mr Snuggles (I want to squeeze him myself!)

I like the dual center diff idea, save for the rotating weight that it will involve. Using plastic spurs, like the 44t kyosho will help with rotating mass. Using 30-50k oil in the lower center diff (lets call that the output diff) will allow good turning that any center diff vehicle has. And something much thicker in the upper diff (lets call that the motor diff), like 100k so that the motors are connected almost solidly, but have some freedom. This way that cannot fight as bad as if they were connected to each other via driving the same spur.

I would like to see this done,but there are some engineering issues that you will need to figure out. I would say that placing the spurs inside the bulks against the motor diff, that way the bulks can also be the motor mounts. Also place the motors next to the motor diff, and the output diff centered below that. This will help you access the motor mount screws and keep the setup simple and compact...