Perception and reality are often widely disparate things. That couldn't be truer than with the legendary Boss 429 Mustang and the semi-hemi engine for which it was named.

The 429 was meant to outshine Chrysler's 426 Hemi. Around 900 Boss 429 street cars were built, allowing Ford to meet the 500-unit minimum.

Boss 429 Mustangs are muscle car royalty, their performance potential, limited production, and overall iconic status putting them in the same rarified air as Hemi 'Cudas, LS6 Chevelles, and other ...

The Blue Oval had to produce and sell at least 500 road-going cars to compete in the Grand National Division with the Boss 429 against the 426 HEMI. Speaking of the Dearborn-based automaker’s ...

Of the 1,358 Boss 429 Mustangs built in 1969 and 1970, just 499 were bolted together at Ford's Rouge plant, then shipped to Kar Kraft in Brighton, MI for final conversion.

$675,000 for a 41-year-owned Mustang. Not just any Ford Mustang, but a mint-condition Boss 429. Under 17k miles - 27,000 km - all original, this 1-in-500 Boss deserves the best of the best from ...

Boss 429s were developed in response to Chrysler's 426 Hemi, and they put out more than 500 horsepower despite being officially rated at just 375 ponies. Back then, of course, self-reporting by ...

A fully-loaded Hemi ‘Cuda was recently put up on the auction block with a price of $1.3 million, and now, we’re seeing this Mustang Boss 429 going for nearly half a million dollars.

The Boss 429 was built beginning in 1969 by Kar Kraft of Dearborn, Michigan, so Ford could homologate its hemi-head 429 in NASCAR racing. NASCAR required 500 cars to be built, but approximately ...

Ford’s exercise in transforming the Mustang BOSS 429 from a front-engine to a rear-mid-engine layout bore interesting results. The weight distribution was effectively reversed, from 60/40 to 40/60.

Ford’s Boss 429-powered Mustang was a homologation special that allowed Ford to run its Chrysler Hemi competitor in NASCAR. Surprising no one, the engine bred for NASCAR’s superspeedways ...

Ford had plenty of muscle competing in the '60s horsepower wars with the legendary 1969 Mustang Boss 429 â a NASCAR-bred 375-horsepower behemoth built to take on the likes of the Chrysler 426 Hemi.