A rare 1970 muscle car just stunned auction watchers by selling far above value, despite never turning a single competitive ...

The Boss 429 Mustang is all V-8 and no apologies. Only 850 fastbacks were made for the 1969 model year. This example looks to be in fantastic shape and boasts a great color combination.

"Nice ride," says Iosef. "Mustang. Boss 429. She a '70?" To which Wick replies simply, "'69." But if you know your Mustangs you started waving your BS flag immediately. I grew up a Mustang ...

However, the Blue Oval needed something better to fend off the 426 Hemi on the oval speedways of NASCAR, so the 429-cubic-inch Boss 429 was born. With its aluminum semi-hemispherical heads ...

The 1969 Ford Mustang Boss 429, code-named ... Its cast aluminum cylinder heads featured crescent-shaped combustion chambers that some dubbed the semi-hemi. The heads use intake valves measuring ...

There was a time when other automakers created special cars, such as Ford's Boss Mustang 429, to keep up with the Chrysler Hemi cars on the ... airflow but cause the heads to be extremely large ...

Lawman Boss 429 ... heads for 335 horses; however, despite the low compression, it was faster than 1970’s 455. Ram Air was an option for this engine, though this Goat doesn’t have it as evidenced by ...

Lurking under the hood is Chevrolet’s fearsome, all-aluminum ... the Boss 429 engine needed to be placed in production cars to be legal for competition. Due to the engine’s sheer size (thanks to its ...

The Boss 429 Mustang isn’t only rare. Offered between 1969 and 1970, the pony-turned-muscle car edged out the HEMI 426 because ... to a great extent. The aluminum heads, for example, were ...