I posted the making of Patelo's diesel V12 a number of years ago, but I can't seem to find the thread - search doesn't seem to work, or perhaps it was so long ago that the post got archived (perhaps someone can find it?) - anyway, here it is again
[video=youtube;CJd-WY0mm88]https://www.youtube.com/watch?v=CJd-WY0mm88[/video]
It's amazing the precision he gets out of the tools he's using....
And yes - it's running!