Have you ever been talking to someone and wondered "if I start talking about throttle bodies, will this person think I'm insane?" Don't worry, Jalopnik readers have ten sure-fire tips to spot a gearhead, so you never embarrass yourself.
Turbocharging is the single most popular method for adding brute power to an engine, but this video shows the manufacturing of a turbocharger is anything but brutal. Instead, the process combines precision machining with ancient methods of metal shaping.
The basic principles of hydraulically-assisted power steering have stayed the same for decades. Even today this Army-produced clip about how a series of pumps and valves help point the wheels is just as relevant and informative as it was for skinny-armed recruits back in the Fifties.
This video, put together by the University of California in the late 1950s, has a straightforward agenda: explain how car crashes and seat belts work, and why wearing the latter helps you survive the former. The message resounds clearly to this day.
The basic principles of automobile internal combustion engines have remained the same for decades. Even today this endearingly goofy clip of gasoline going from tank to exhaust fumes is just as relevant and informative as it was for aspiring moonshine runners in the '30s.
In the immediate postwar era, when automatic transmissions were still somewhat unusual and mysterious, the U.S. Army used its significant training skills to teach the troops about how spinning oil between two sets of paddles can move a truck.
I like these guys. I do. They spend the precious few hours they're not working for the man working on their rarely-running C4 'Vette. But is this the best way to compress a box-spring so it'll fit in your Expedition?