Thanks for the feedback.
I ended up having the original axles drilled/threaded and the hubs drilled. We had to thread the new holes in the axles because we couldn't press in new studs. The new holes were too close to the original holes. The metal was a bit thin to add the pressure of pounding in studs.
No biggie. All of the machine work combined cost 110 bucks (cheap) and the new Moroso threaded studs were 33 bucks (kinda high, I thought).
Works like a charm.