Hay there guys I made a video of how to disassemble and install injector nozzles for the 6.4L's. The reason I made the video is because I know that alot of people out there have questions about how to do this just like I did. I hope this helps you guys out.
http://www.youtube.com/watch?v=MNUxaZ21yaU&feature=player_detailpage
http://www.youtube.com/watch?v=vDknZM3T50g&feature=player_detailpage
http://www.youtube.com/watch?v=MNUxaZ21yaU&feature=player_detailpage
http://www.youtube.com/watch?v=vDknZM3T50g&feature=player_detailpage