Notes from below the video that some of you missed:
Using 22 different archived videos spliced together this video depicts the Model A engine being produced, from sand molds to being dropped in a chassis. Every Model A engine destined for one of Ford's 30+ US assembly plants was cast and assembled at the Rouge Plant in Dearborn, MI.
Make sure to look out for the main bearing babbitts being poured, the flywheel being balanced, and the manifolds being assembled.