Ford Mustang Boss 429 (1969): 20 Weird Facts You Didn’t Know!

The 1969 Ford Mustang Boss 429 wasn’t just rare—it was weird in all the right ways. Built to dominate NASCAR and barely street-legal, this muscle car came with strange design choices, hidden quirks, and unbelievable factory decisions. Here are 20 weird facts you didn’t know about the Boss 429.

20 Crazy Facts You Didn’t Know about the 1968 Shelby GT500 KR Mustang!
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20 Crazy Facts You Didn’t Know about the 1968 Shelby GT500 KR Mustang!

10 Rarest Cars in Clint Eastwood’s Car Collection
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10 Rarest Cars in Clint Eastwood’s Car Collection

Top 10 Muscle Car Engines That Made More Power Than Advertised
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Top 10 Muscle Car Engines That Made More Power Than Advertised

Unbelievable Workers | Working with Talented Engineers #46 #fail #adamrose #smartworkers
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Unbelievable Workers | Working with Talented Engineers #46 #fail #adamrose #smartworkers

The Last Independent: How AMC Challenged Detroit and Almost Won
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The Last Independent: How AMC Challenged Detroit and Almost Won

Why Datsun Changed Its Name To Nissan - The Shocking Reason Behind the Rebrand
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Why Datsun Changed Its Name To Nissan - The Shocking Reason Behind the Rebrand

20 Crazy Facts You Didn't Know About Plymouth Barracuda HEMI (1971)
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20 Crazy Facts You Didn't Know About Plymouth Barracuda HEMI (1971)

20 Weird Facts About Steve McQueen's 1968 Ford Mustang GT (Bullitt)
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20 Weird Facts About Steve McQueen's 1968 Ford Mustang GT (Bullitt)

Top 5 Most Powerful Ford Mustangs Ever Built of the 1960s - Muscle Cars Revolution
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Top 5 Most Powerful Ford Mustangs Ever Built of the 1960s - Muscle Cars Revolution

20 Crazy Facts You Didn’t Know about the 1969 Dodge Charger Daytona!
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20 Crazy Facts You Didn’t Know about the 1969 Dodge Charger Daytona!

The Shocking Truth Why Can-Am Cars Were Banned
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The Shocking Truth Why Can-Am Cars Were Banned

8 Rare Ford Fairlanes That Almost Nobody Has Seen
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8 Rare Ford Fairlanes That Almost Nobody Has Seen

12 Muscle Cars That Shocked Test Drivers!
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12 Muscle Cars That Shocked Test Drivers!

These Thunderbirds Are So Rare You Didn’t Know They Existed!
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These Thunderbirds Are So Rare You Didn’t Know They Existed!

The Shocking Truth Why The Dodge 426 Hemi Dart Was Banned From Super Stock
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The Shocking Truth Why The Dodge 426 Hemi Dart Was Banned From Super Stock

How a 5-Year-Old Ford GT40 DESTROYED Every Porsche and Ferrari at Le Mans
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How a 5-Year-Old Ford GT40 DESTROYED Every Porsche and Ferrari at Le Mans

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

The Dark Story Behind the Crosley CoBra - The Tin-Can Engine That Rusted from the Inside Out
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The Dark Story Behind the Crosley CoBra - The Tin-Can Engine That Rusted from the Inside Out

FORDs DEADLY ENGINE THAT BLEW UP TRANS-AM RACING — THE TUNNEL PORT 302
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FORDs DEADLY ENGINE THAT BLEW UP TRANS-AM RACING — THE TUNNEL PORT 302

The Real Barry Seal Was Far More Dangerous Than Tom Cruise Played Him
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The Real Barry Seal Was Far More Dangerous Than Tom Cruise Played Him