Spec's for what? Body, chassis, Motor? Also their is a Large post already running on 35-36-36 Trucks. Shows difference as well as interchanges. I have it in my links. If you have trouble finding it I can bring it back to the top for ya. Don't know how to tie a link on this post. The Wizzard
There should be specs in the "Instruction Manual" that came from Ford with the car. They are probably reproduced for less than ten dollars (the earlier ones are). What specs are you looking for? Charlie Stephens
You can also find a lot of help with your questions about your truck on the Early V8 forum at www.fordbarn.com. Guy by the name of Lawson Cox knows these trucks inside out.
I think 38fordpickup hit the nail on the head but you might also try The Early Ford V8 Club, earlyfordv8.org. The Early Ford V8 Club has a restoration guideline on your year that might be useful but I think it is mostly oriented towards cars. Charlie Stephens