'91 360 for my '73 Swinger?

Please bear with me as I'm very novice when it comes to the technical aspects of Mopar small blocks.

Anyway, I may have a chance to pick up a 360 out of a '91 Ramcharger with approximately 80k miles. From what I've read these are fairly desirable engines with the swirl ported 308 heads. The current owner says that it ran great when pulled and had intentions of putting it in his Demon, but is going with a big block instead. He's asking $300, which seems to be a pretty fair price if the engine is all that it is talked up to be.

My question is, what should I look for prior to commiting to buy the thing, and will it make a good powerplant for my '73 Swinger in place of the original 318? I want something with a bit more power in stock form that will also be a better platform to build upon later down the road.

All thoughts, opinions and insight is appreciated.