77 440 crank journal sizes

Do yourself a favor and buy a factory service manual so you can educate yourself as well as others, especially the teacher.
He's not much of a teacher if he didn't suggest this from the beginning though............
Sheesh.
I'll bet there's lots of info on the internet of even you tube videos on how to assemble the RB engine.
I do have a service manual, I had to convince him that there is an allowable spec for taper and that the block didn't need to be bored out, there's a machine shop teacher who is much better though so I need to get him in on it, he has students build and tear down a 360 to run on the dyno.