Yes. Open both calibrations in simultaneous instances of tunerpro and copy tables. Look at the constants as well and grab everything that doesn't seem to be a transmission variable. If you have questions about tables with dissimilar names or if you find a variable without a matching counterpart in the opposite cal, research it, post the question, etc. The definition files for this pcm are very good with notes so you've got a head start on a successful conversion.

As you get deeper into this project you might want to explore the idea of enabling factory torque management. Your 7.4 exceeds the 60 rating of the trans.