340 vs 360?

Hey guys, Bought a 72 Swinger out off the Yucca Valley a few years ago one elderly owner rust free 318 car, Pulled running gear prepping car for paint rite now. I have two motors and looking for advice and opinions about which one to use... a 1970 340 from a Cuda, X heads, Chrysler Purple cam, RPM intake, 750 Demon carb breathing through Dougs headers. The other option is a mid 70's 360 bored 30 over with Edelbrock RPM heads, Edelbrock Pro Flow fuel injection, Comp cam, with Dougs headers??? What do you think? what kind off Hp should these produce?
Thanks guys.