Here is finally my review, I'm very honest and hope you will retain and improve your tunes :
First of all, I very like the Miata NA, it's a little car that I enjoy 'cause of its lightweight and the fun that we can get with it. I do have 3 MX-5 (as the European know the Eunos/Miata), each for a special purpose : cruising, trackday at the 'Ring and a full stock with real power and weight.
So that's now the most extreme Miata I got, and I have to say : I like it. The amount of power is gigantic in comparison to the stock power, but it isn't too much (when you have 800hp full custom vs 200hp stock, it isn't pleasant and the chassis isn't prepared for that).
The second thing I like is the suspension setup : very well balanced I find, but it has a little understeer at the exit. Camber and toe are a personnal preference, and you set as I like, maybe a little bit more camber at the front (1.0) and less rigidity at the front will draw out this little understeer. Also I advise to have more front ride height to get more cornering ability. But Overall, it's very good mate.
I won't say too much about the LSD, I reduce the Initial and increase the Accel and Decel, because I like to spin the outside wheel, I find that you have a little more control when you have a good level, and the more important I LOVE COUNTERSTEERING
For the Decel, I find it was a little unstable at the long and hard braking.
The transmission is excellent, I find perfectly all the gears, not too high in the RPM's in the corners but not too low too. It has good max speed and I didn't reach the limiter, very well 👍
The only thing that raised me problem is the weight, it's low if you haven't downforce, and it's the case here. It could be destabilized by the kerbs and lost the stability during hard braking. But it isn't your fault, I maybe would keep the stock weight, that I find near perfect.
Overall, a very good car, efficient as well and which keep the fun that the Miata always had. However it could be improved a little, also it depends of the taste of each driver. It's quality work, keep it up !