GM's Tiny $12 Engineering MISTAKE That Created A MONSTER
Автор: Speed & Style
Загружено: 2025-12-24
Просмотров: 1597
How could a tiny $12 part turn a standard transmission into an unkillable monster?
The GM Turbo-Hydramatic 400 (TH400) wasn't supposed to be a legend. It started as a mistake of over-engineering. In 1964, General Motors built a heavy-duty transmission that was accidentally invincible—and it all comes down to a few cheap components that were built far better than they needed to be.
In this video, we uncover the "Engineering Mistake" that GM never fixed: the overbuilt internals, the legendary Sprag, and the $12 vacuum modulator that allows this transmission to handle drag racing torque numbers 60 years later. They tried to build a tool, but they accidentally built a legend.
Chapters:
0:00 - The $12 Mistake
2:12 - Why GM Built Overkill
4:25 - The "Sprag" Explained
6:48 - The Switch-Pitch Secret
8:15 - Why It Can't Be Killed
9:30 - The TH400 Legacy
#TH400 #GeneralMotors #MuscleCar #DragRacing #AutomotiveHistory #GM
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We use under: Copyright disclaimer section 107 of the Copyright Act 1976. "fair use" is allowed for purposes such as criticism, comment, news reporting, teaching. scholarships and research.
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#automobile
#luxurycars
#musclecars
#speed&style
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