I worked on commercial vans for many years. The places to look for rust are about the same as any other vehicle. The frame & cab supports. These were bad about the side panels & side doors. You are right, it will be hard to find a good one there in the rustbelt. You will need to go south & or west to find one. The 71 up are better. They had beefier front ends with disk brakes. A v-8 is better then a six. The auto trans is better because the standard shift linkage gets sloppy. Technically these would not be considered stovebolts but this website is open to 72 on back GM. trucks.
