There is a guy on forbbodiesonly, lxmodguy, who knows a lot about the nag1 trans and I believe put 1 in his car. He may be just the guy to ask. Here is a thread where he is talking about tech.

http://www.forbbodiesonly.com/moparforum/showthread.php?33754-So-it-begins-5-7-and-Nag1-install