I'll make this short- Ask Duane if he has or can get the locating pin(s) you need and press then back in.
I don't think you'll need to buy a lot of tools to work on these engines. A couple of notes; these engines use a nikasil type liner and can be bored/re-bored or honed. Once they are done, they are done.
You can buy desent, cheap ring expanders and compressers from Auto Parts, Motorcycle Parts, Car Parts, Truck Accessories & Parts, Auto Accessories - JC Whitney