Hows this? Think It can be fixed on site?
 

TWO MAZDA RX-7 FB

I was thinking of the black one what should I ask to maybe identify the problem? Or should I just stay away?

The owner is a board member. Won't you ask him what he has tried? Here's his for sale thread on the red one.

https://www.rx7club.com/1st-generati...350-a-1024753/

Oh, Well how about that. Im sorry.

i'd buy both, if they were closer.