Not to be the broken record here, but:

Quote Originally Posted by Thomas Bertilsson View Post
Too little contrast? Develop longer.
Too little shadow detail? Expose more.
Repeat until you have results that work for you.
All my times are a bit over the MDC times, they are (like all published times) to get one in the ballpark.

I've used a lot of Neopan 1600, I found it at 800 to be its best, 1250 was the upper limit I could get acceptable prints out of it. And it gets contrasty fast, so careful testing is needed.