This reminds me of another video I saw a few years ago. I dug it up to share. This one is an even smaller, handmade V12 and the video shows some of the parts (like the amazing crankshaft!) as they were machined.
http://youtu.be/CJd-WY0mm88Oh, and I'll tack on this one from Ferrari that came up with the other.
http://youtu.be/uzPvPowrm6M