Stop in for a cup of coffee

How can you tell if this is NOT a 360? It's in a 1985 Power Ram (4wd)

It's in an estate so the seller isn't familiar

View attachment 1716167537
Another way is you could look at the harmonic balancer, if it is a skinny, flat one it is a 318, a 360 one will be thicker and have a counter weight on the face.