1971 340 Build - Choosing piston rings dilemma

Ask the guy who honed your block what rings you should use.
Good idea if he was into performance engines and had that type of knowledge but he's 74 years old and runs just a regular machine shop. One day he's be doing machine work on a Toyota 4 cyl engine, next will be rods from a Top Fuel drag car, next day will be will be a rebore on a lawnmower engine.

He doesn't have much interest in the parts. He would just say throw in some no-name cast rings.