Featuring state-of-the-art editing, this video is still relevant nearly a century later.

The Proving Grounds crew takes on another round of The Mystery Box Challenge with new parts and a few new faces.
Air filters are an easy service item to overlook, but most manufacturers recommend a new filter every year or 15,000 miles.
There are applications for shims besides fixing camber and panel gaps.
Auto care news and advice you can use.
I’m a slow learner. Don’t be like me.
Any of these mistakes can lead to an unwanted oil leak or worse—a blown engine.
If your parking brake is weak or not working at all, a stretched cable is usually the issue.
It’s your job to tell customers about warning signs and bad repairs.
From the factory with the spare’s valve stem pointing up, but you can flip it over and reinstall for easy checks and refills.
Shop Press is the news and idea hub for everything related to working on cars and trucks, focusing on repair, technology, and wrenching lifestyle. With interesting stories from around the world, features on creative people and solutions, and all kinds of other stuff that’ll make you use your mind and your hands.
Auto care news and advice you can use.
Demagnetizers demystified.
Four reasons to buy a ½” breaker bar adapter.
PTFE tape is essential for threaded connections that need a good seal.
Saving time and labor while giving PPI customers a clear picture.
If you have tools that use 9 volt batteries, it’s cheap and easy to convert them to rechargeable batteries. Watch to learn how it’s done!
Reverse is an innovation that’s easy to take for granted—but it was a revolutionary addition to the automobile.
“Rebuild in a can” is not the right way to fix the tool, but it will get you by until you can repair it correctly.
Microtransactions spark unexpected microaggressions.