Engine blocks are often the forgotten heroes of internal combustion. People focus on camshafts, pistons, forced induction, air intakes and even cylinder heads before thinking about the poor old block.
But there’s a lot more to the humble block than meets the eye. The myriad fine points of their design make for a fascinating lesson. Sit back and enjoy an impressively simplified take from YouTube channel How a Car Works on the genius of how an engine block works.