It wasn’t built to be a boulevard cruiser or a poser’s muscle car. The 1969 Mustang Boss 429 came to play hardball.

The Boss 429 and 429 Super Cobra Jet V8 engines rank as some of the most powerful engines ever put in the Ford Mustang. In fact, if we limit our discussion to first-gen Mustangs, these engines ...

Ford sold over 7,000 Boss 302s in 1970, but only 305 examples were painted Calypso Coral and fitted with this specific ...

That engine was originally advertised at ... Until now, revology has focused on 1968 and earlier Mustang models. For the Boss 429, they had to create a brand-new body as the 1969 model ...

"Mustang. Boss 429. She a '70?" To which Wick replies simply ... made just 859 Boss 429 Mustangs for 1969 to homologate the engine for use in NASCAR (which it dominated). A Boss 429 in decent ...

“Looks great, with a touch of menace,” is how we described the vehicle Larry Shinoda created for the 1969 Ford Mustang: the ...

See All 22 Photos Currently, the Mustang is powered by a Boss 429-based 185-series 557-inch big-block Ford V-8 engine. On a recent chassis dyno session, the drivetrain put down over 735hp to the ...

The American company’s latest work was recently shown at this year’s SEMA show, and it’s based on Ford’s Mustang Boss 429, classically ... 296bhp Honda VTEC engine and a full chassis ...

By 1969, the Ford Mustang could be anything from a dressy six-cylinder coupe to a high-powered Boss 429 fastback with a NASCAR-ready V-8 engine shoehorned under its scooped hood. It’s that ...

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 ...

ridged fenders painted with the Boss 557 logo hint at what this Mustang has to offer. A fully-built Jon Kaase racing engine residing in the engine bay, where the real fun begins. The 557-cubic ...

This 1969 Ford Mustang ... Engines for a full rebuild. The work included fitting such go-fast components as a Crower billet crankshaft, Manley titanium valves, an LSM custom camshaft, Kaase Boss ...