Commanded MM3

I am currently trying to figure out why I am not reaching commanded mm3. I am working on 2007 with 6.7. I have set it to 170 mm3 at 100% throttle but I only see 160 mm3. Thus I do not reach my max injector duration or max timing. I have been attempting to manipulate the system into hitting the 170 but I cant get it there. All my axis in internal are set 3500 rpm's and 170 mm3. I have disabled all limiters that I could find. Any help would be greatly appreciated.

Did you ever figure this out? If just hitting a mm3 limiter couldn