hey guys my son and i are wanting to swap his tranny to something with a over drive for hwy use ,, what can you tell use about what year and what do we need ,, i guess it would be the best to stay with auto ?

thanks

 

mustang monthly did a writeup on this - http://www.mustangmonthly.com/tipstr...as/index1.html

plus if you google aod swap theres a bunch of info on the topic - theres a lotof info on this link.. http://www.hotrodders.com/forum/aod-...ang-54300.html