WIW '72 340 'CUDA

BTW, I have seen a lot of cars parted in the 80s and 90s that were a lot better than that.
I look at rust two ways.
One is just regular rust from being used on a daily driver that was taken care of in general. (regular washings etc.)
And then there's the ones that were left to go.........(rarely washed or taken care of)
The difference in the two is that the car that wasn't taken care of will rust from the inside out.
This is what I call corrosive rust.
It is easy to spot because you see the rust bulging from between the spot welds, and the frames usually are thin in spots and will have holes in them.
There will be rust everywhere you look structurally and scabs of rust on the body panels as well.
Those cars I consider part out cars unless they are a rare high dollar car, but even then..........
The others that have some rust in the quarters and floors, but everything else is pretty good, I would consider as a builder.
The main thing to consider is if the car is a rotter or not.
This one looks like a flip a coin and go with your gut type of car.........