I can't tell from the picture but if the frame rails are tapered in toward the front, it will with a lot of work. If its a staright rail frame it mostlikely will.
see
http://67-72chevytrucks.com/vboard/s...d.php?t=180996
and
http://www.webrodder.com/article.php?AID=264&SID=60
like I said its a lot of work.