I sent the cam to Oklahoma today. It's only $20 round trip shipping and I want to keep this project moving along when at all possible. The shop owner sounded like a good 'ol boy if I've ever heard one:
Me: "Yes, hello. My name is Jonathan and you were referred to me by Terry in Denver. I wanted to discuss if you'd be able to refurbish an old marine engine flat head cam on a-"
"Yeeeeeeeeeeaaaaaaaah! buuuuudy! you know I ain't dun' gone seen a cam I can fix yet!"
Me: "Great, but this is from a more obscure small four cylinder engine that most machine shops in the midwest don't probably-"
"Yeeeeeeeeeaaaaaah! buuuuuuudddy! Don't chu' go gone worryin' 'bout dat now you know I seen every cam from a Cushman lil' putt-putt to a 1000 hp Mustang ya hear!?"
I'll report back in a week or so with pictures of how it goes...