Jocko,
Like everyone has said. The front anti-roll bar makes makes a huge difference. I was amazed. I have a rear bar but I haven't installed it yet. I am in the middle of putting an air suspension on the rear and plan to add the roll bar at the same time. Here is how I did mine.
http://67-72chevytrucks.com/vboard/s...d.php?t=322228
I later had to add a spacer to the frame brackets when I converted to power steering.
TR