The S isn't as forgiving as the other cars. This is the Reason RealTime racing just fitted all of the RSX's w/ TSX motors. The cars aren't really any faster, just more forgiving. The F20C is peaky, anyone willing to refute that is just being stubborn... My only claim is that this can be an issue on many short courses. In other instances, many of them, I'm sure this doesn't hurt as much.