You really need these pieces - and Mac's is about as good as any:http://www.macsautoparts.com/
This stuff is also found on page 36 of their 2006 cat which may NOT be the latest for '32-'48 Fords
The self stick stuff is nice but the regular webbing with 2 sided carpet tape is more forgiving. You need to pop some body mount holes in the webbing and masking tape works just fine to hold it temporarily to the fraame as it has to come off several times. You also need a marking device. I used some threaded rod (or a bolt with the head cut off), sharpened to a point, put a piece of masking tape around the webbing for a good definitive mark, then tap it a couple of times with a hammer. To cut the holes - sharpen a piece of 1/4" to 1/2" black iron pipe and whang the heck out of it over a hard piece of wood - if you have hole punches - even better yet. The webbing is very tough. It also wont curve so you can make pie cuts part way thru to help.