Walter, welcome to the Stovebolt! I must have missed your first few posts, but I always like to jump in and say hi to new locals...
Is your panel a 3100 or 3800? And what size is your Suburban, 1/2-, 3/4- or 1-ton?
I have a 3800 and a bare 1-ton frame sitting out back, and a '72 3/4-ton frame. I'd love to come by and watch your project go together. Where are you?
For completeness I should say I also have three 1/2-ton Suburbans/panels also. I seem to be addicted.