It’s always good for dealership techs and mechanics to get a brush-up on new and incoming features, but sometimes a good review of the basics is needed to bring a mechanic’s ability to diagnose an issue properly back in line. Scott Liggett sent in this video, a Chrysler training film from 1967 that explains the aspects of combustion, from intake to exhaust with the help of “Tech”, the Chrysler mechanic’s mascot. From fuel mixtures to timing and loading of the engine, each topic is discussed clearly for anyone to understand. While this film is pushing fifty years old, the basics it teaches apply to any and all engines. Click play for a little history and a bit of a refresher course: