We used recliners from
http://https://www.recpro.com/ and have been VERY happy with our recliners and RECPRO support after the sale. They fit just right in the 68 inch space we had. Just had to add 2x4 to front of slide floor and remove shelf behind couch to get enough room for full recline.
See
http://www.irv2.com/forums/f121/thor...ml#post3446889
Posts 2777, 2785, 2786, 2791, 2792 and 2794 for more info than you will ever need for the project.