Stop in for a cup of coffee

https://www.forabodiesonly.com/mopar/threads/new-vs-older-msd-6-boxes.547510/
https://www.forcbodiesonly.com/mopar-forum/threads/new-vs-older-msd-boxes.79503/
I get it for racing where you need the 1/10 of a second but on the street way to expensive for bragging rights if you ask me. Biggest thing with the Mopar ECU is match them to the right ballast resistor and coil.