This. The cars on the coast rot from the inside out. Take some magnets and picks. Stab the frame rails, specifically the torsion bar cross member. Magnets on the 1/4 panels. Just make sure you inspect closely.
If it’s truly rust free, I’d buy it. Hell if I had the money I’d buy it. That’s one of the coolest early As you can find. I’ve always wanted a formula s.
As far as the price, a 4 speed swap done on the cheap is about $2500. Then add in all the formula s specific stuff. I think if it’s really and truly rust free, it’s a good deal.