1984 Centurion Turbo I picked up for $125 with all original components.

Currently just cleaning her up and overhauling to get ready for the season. Clamp on the FD broke. Which is a bummer. I've got other FDs laying around and I'll just throw a Shimano 600 on there if I can't find a replacement clamp or actual derailleur. It's a Suntour Superbe Pro, and it's the original equipment so I was hoping to salvage it. Any thoughts on how to do so?