Well,all I can say is that we as a community have been through this scenario countless times.Guy buys truck,truck is poo (but pretty!),has local shop work on it,still is poo,sells the truck for loss and disappears.
What are your plans/goals? Do you just want a stock rebuild? Do you even know if it has the nodular mains in it?
I hope the used car stealer fags cut you a decent check,cause you are looking at 3-4 grand minimum to have someone pull yours,have it rebuilt and put back in.
For a bare minimum build (assuming you have the nodular mains) I'd go .030 over SRP pistons,Total Seal rings,and L35 rods.