Garry wrote: Big gains were made from the added longitudinal braces on the floor pan. Increases in torsional rigidity were gained by tying the door pillars together with the box brace that holds the style bar and adding the centre cross brace under the car.
This design is very similar to S2000 X Frame. You'll notice how hight the side sill on NC compared to NB...considering also you sit a lot higher on NC as well.
It would be interesting to see the stats for torsional rigidity for all type of MX5.
