Congrats on your recent purchase and keeping a great family memory going.
Now's the perfect time to get some excellent reference material to help with your plans. Here's a link to the FREE Chevrolet Restoration package which includes the Factory Spec book for your year:
http://www.50chevy.freeservers.com/Catalogs_and_Manuals.htm Also check out the Factory Assembly Manual and Shop Manual. They're well worth the small investment. Check all grounds for rust, and keep in mind fresh paint makes for a bad ground, too. You may have to scuff up to get what you need.