Honestly, valuing a special edition car with no pictures is very hard. Depends on whats valuable on the car and whats still good. You say it runs, but if the engine has a broken ear on it or a crack, the engine went from being worth a few thousand, to a few hundred. The transmission and rear might be worth money to someone with a SS as a swap, same with the seats and interior.
Depending on whats broken, I would figure between $6k-8k. Remember, this is just a educated guess.