Engine lubrication is an important part of vehicle maintenance that many people can overlook. Friction inside an engine can easily lead to wear and tear and many things – including those regular oil changes – can help keep your engine in tip-top shape. Even when looking at vehicles from 80 years ago the same basics hold true. You want to be able to get an even distribution of clean oil throughout the engine.
Henry Jamison “Jan” Handy made several videos in the late 1930s that explain how vehicles work, with engine differentials, manual transmissions, suspension systems, and, of course, the importance of lubrication. These videos are still useful today and can provide beginners and pros alike with a good understanding of how these systems work.
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Vintage 1937 Film Perfectly Explains the Secrets of Engine Lubrication