Here's another well illustrated Hot Rod Magazine article on boxing the rails.

http://www.hotrod.com/articles/0708...-01-pl-boxing-the-frame-boxing-the-frame

Nothing has change since I was a HRM subscriber in the 1960s and my son was a subscriber in the 1990s. It's still a lot of work but must be worth it or people wouldn't still be doing it.

Here's the same issue addressed on this forum a while back:

https://www.stovebolt.com/ubbthreads/ubbthreads.php?ubb=showflat&Number=332001&page=all

Last edited by yar; 01/29/2018 3:11 PM.
Ray