The C3 frame is notorious for rust, especially in the "birdcage" (windshield frame) and the kick-up areas in front of the rear wheels. Check for active rot, not just surface rust. Rusted frames can make the car unsafe and economically unrepairable.
If you can tell me what you're looking for, I can narrow this down: Let me know, and I can give you more specific advice! C3 Corvette Buyer's Guide: Part 2 of 3 (1973 to 1977) buying a c3 corvette
Here is a comprehensive guide to buying a C3 Corvette, based on expert advice and owner experiences: The C3 frame is notorious for rust, especially
Lighter, with more modern styling. 1980 is the last year without computer controls. The 1982 model introduces crossfire injection (a bit finicky) and is the only C3 with an opening rear hatchback. 4. General Buying Tips If you can tell me what you're looking