I have bought a few racing engines over the years,like 6 of them.

My first racing hemi was bought from Chuck Beard from assumtion Ill. I spent 12 hours the first day in his shop on Jan 1, new years day and 6 hours the second day. We took the whole engine apart and put it back togeather. And then I decided to buy a trans from him also and took it all apart and back togeather.
Can you say it was termendous learning experience? It was huge and worth a lot of $$ to me.

I have done the same thing for guys who I have sold engines too, start with a complete engine and take it all apart with the potentional buyer. I have done it several times.
This time the guy did not buy the motor, only a supercharger.