I think we may be expecting a bit much from the Nismo.
I wouldn't expect the updated suspension to be reflected in skidpad numbers. C&D did get a staggering .99g on the skidpad, but the suspension changes will be more directly effect turn-in, transient response and body control. With that said, I would a expect a slight some improvement in slalom numbers.
Tires will have a large effect, but advan sports are very much on par with RE050As IMO.
Brakes are the same and tire size does not increase much, so I wouldn't expect changes here. Not sure how downforce would effect braking in this scenario.
Should the car be much faster? I think it should be a bit faster even if the car is a little green. If numbers don't improve after being fully broken in, we could conclude that the nismo exhaust and tune just don't make much more power, or perhaps the power is all made up top with little improvement in the overall power curve.
I thought that an increase in weight and added drag would effect straight line numbers. However others have said the cars weigh roughly the same. All in all, I'd expect the improvements on the Nismo to be felt at speed and on the track.
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