This may be considered controversial, but a guy i was talking to said he had been considering why anyone would want the NTC3 steering. Looking at the situation Josh Cyrul faces, a spool on foam, you would probably want to reduce the ackerman effect. When both wheels turn at the same rate, it helps to have them pointed in the same direction. Having seen his car up close, this guy said the spot that they were in would reduce the ackerman in the steering.
I don't know if this is true, but the fact that it is "smoother" does not really justify it for me. His explaination makes more sense. Discuss......