The "Illegal" 900HP Boss 429 Ford Tried to Destroy: The Secret 1970 Tunnel-Port

In 1970, Ford engineers built a "Tunnel Port" Boss 429 so powerful that the program was canceled and the parts were ordered to be destroyed. But what happens when a legendary drag racer digs those parts out of the trash?

This is the story of the "Ghost" engine that technically never existed. While the factory Boss 429 Mustangs were struggling, Dino Don Nicholson used a massive loophole to build a 900HP, naturally aspirated version that the NHRA had to ban after just three months.

In this video, we reveal the secret engineering behind the Tunnel Port heads, the 14:1 compression ratio that defied 1970s logic, and the exact moment Ford's corporate secrets were exposed on the drag strip.

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