On the base map that came with my MSPNP2, the injector dead time is set at 1.3 ms. But with that, my afr’s are quite low (eg, 11.5 at warm idle). On the miata.net forum, I’ve been advised to re-set the injector dead time down to 0.8 ms. I’ve also been advised that 0.8 ms is way too low (which also makes sense, since I had to richen up my idle, because it was so chunky).
I’ve been compensating either way by adjusting the VE table and/or using the autotune feature, but in point of fact, even after reading books by Banish and Cramer and Hartman, I still only have the vaguest idea of what I'm doing.
I should also note that this is just a daily driver, naturally aspirated with the usual intake and exhaust modifications.