Can you contact the previous owner and see if they have an extra key?
Talk to a mechanic, maybe you can get one to come out and replace the lock with a new one.
You can buy a new lock with key at the dealer or any auto parts store.
It requires pulling the steering wheel and moving the turn signal switch to the side.
Then you either remove a screw to allow the lock to come out or with some, you have to punch through the pot metal in the proper place to allow pressing on a spring loaded tab on the end of the lock assembly to allow it's removal.
I think with yours, you have to punch through the metal.
You need a steering wheel puller, and a special tool to press down on the lock plate 1/4" so you can remove the round wire retainer clip.
Once you've done one it's easy, but the first one is a bitch to do.
It's a half hour job for someone who knows how.
Ask around for someone who knows how to do it for you.
If you want to tackle it yourself get the tools and I'll post more detailed instructions.
Check my web page for First Gen Camaro suspension info:
David's Motorsports page
First Gen Suspension Page
67 RS 327
69 Camaro Vintage Racer
65 Lola T-70 Can Am Vintage Racer
[This message has been edited by davidpozzi (edited 01-10-2001).]