Why the Pontiac 421 Super Duty Was Hidden Despite Its Legendary Performance!
Автор: Rare Old Engines
Загружено: 2026-01-26
Просмотров: 321
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What happens when an American automaker builds an engine so dominant that its own executives demand it be destroyed?
In this video, we dive deep into the untold story of the Pontiac 421 Super Duty, a racing powerhouse that terrorized drag strips and dominated NASCAR before General Motors executives buried it in 1963. From Bunkie Knudsen's radical transformation of a dying brand to the corporate politics and backroom deals that silenced one of history's most powerful engines, we explore how fear, jealousy, and government pressure led GM to suppress its own creation. Discover the incredible engineering behind an engine officially rated at 405 horsepower but secretly producing close to 500, and learn why these rare survivors now command six-figure prices from collectors who recognize automotive greatness.
#pontiac #musclecar #americanmuscle #classiccar #automotive
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