I have what I think is a 57 292 from a car, it was in a 60 f100.
Water 1 and 2 are heater hoses, water 3 has a pipe plug in it.
Don't know about the vac ports.
I am doing the opposite of what you are doing, I am putting a 6 cyl from a 62 f100 in a 54 f100.
You might wan't to check what your...