Thanks for the great reply--everbody! God bless the 'Bolt.
The drag link, kingpins, etc. have all been replaced during the recent resto. I think you hit it on the head that the box needs adjusting. Good advice on the disc brakes, too. I really do not want to change very much, but it has to ride safer than it seems right now.
Again thanks for that detailed great reply. I like that it is a truck! Truck good.