Here you go. This is a picture from a car show. He also changed the door at the rear also.
And here is a link to the thread I when I did mine. Kim57 is right you will have to do something about the gap at the top of the door. The drip rails hide that gab. I added more metal there.
http://67-72chevytrucks.com/vboard/s...d.php?t=230619
This is how I dealt with the gap between the door and where the drip rails use to be.

I hope this helps