The Shocking Truth About the Pontiac 421 Super Duty – The Engine GM Killed With Its Own Hands!
The Shocking Truth About the Pontiac 421 Super Duty – The Engine GM Killed With Its Own Hands! --------------------------------------------------------------------------------------------------------------------------- In 1963, Pontiac built the 421 Super Duty—an engine so powerful it dominated NASCAR and drag strips. But instead of celebrating it, General Motors killed it from the inside. Why? Jealousy? Corporate control? Or something more? This video uncovers the full story: from midnight tests and outlaw engineers to how the 421 secretly gave birth to the GTO legend. 👉 Don’t forget to LIKE, SHARE, and SUBSCRIBE to stay tuned for more incredible automotive stories! 🔔 Turn on notifications so you never miss a thrilling car story! ❤️Thanks for watching! *Note, we are not historians. If you see an error in our research, please mention it in the comments! NOTICE: Clips used from other videos are fair use and fall under U.S. copyright law because this work is transformative in nature, and has no negative effect on the market for the original work. It is against the law to fraudulently claim a copyright on a video you do not own under the DMCA or to abuse YouTube’s copyright claim tool. Subscribe to the channel : @EngineLegendsHelo
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