Youtube : Ferrari 400 GT Major Service and Oil Leaks - by Tom Yang

And another great technical Youtube video by Tom Yang. Like the video and subscribe to his channel. 
It's not often you get to see this level of detail on these engines. On his channel you can look up the previous work done on this 400. Or visit his website: http://tomyang.net/ there is additonal information in his blog.

https://www.youtube.com/watch?v=4KxcBSnqYm0

Engine out service to stop oil leaks and catch up with deferred maintenance. #tomyangnet