The Boss 429 has become the Mustang equivalent of fine art ... So, to get their monster 429 into racing, they needed a street car to house it. Enter the Boss 429. But the 429 wasn’t some ...

Is this the rarest Boss? An all-aluminum Can-Am 429ci. Tasca Ford owned the street with this car. Bring on Hemis and SS 396 Camaros. As one of six pre-production 1969 Ford Mustang Boss 429s ...

Even with a blank check, you'd be hard-pressed to find a vintage Mustang as ... engine in NASCAR. The 429 was meant to outshine Chrysler's 426 Hemi. Around 900 Boss 429 street cars were built ...