I'll pile on. First, it's a true survivor and you're fortunate to have it (albeit sorrowing how you got it).
I would also echo Minuit in that, I would never buy an non-AC vehicle. I live in the northeast where it's only really necessary three months out of the year. Still, it's essential.
You can ask whatever you want, but plan to keep it for a while at $8K. However, there's an a$$ for every seat, so who knows?
I'm sure you could get $5000-5500 fairly quickly and if it were mine, I wouldn't take less.