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

Idaho lawmakers tugged on the heartstrings of social media users this spring in a video where 11 Republican representatives shaved their heads in solidarity with one Democratic colleague diagnosed ...

The Legacy of the 1969 Ford Mustang Boss 429 (YouTube/Backyard Barn Finds) With its aluminum semi-hemispherical heads, the Big Boss quickly proved its worth, securing Ford the NASCAR championship in ...

so the 429-cubic-inch Boss 429 was born. With its aluminum semi-hemispherical heads, the Big Boss didn’t waste any time and earned Ford the NASCAR championship in its debut year of 1969.

In 1969, Ford went all in and dropped the biggest hammer they’d ever make during the Golden Era: the Boss 429. The rationale ... complained the hemispherical-heads engine didn’t have a street ...

The heads use intake valves measuring 2.275 inches in diameter and 1.895-inch exhaust valves. Ford combined those large valves with equally large intake and exhaust ports, allowing the Boss 429 to ...

The 290-horsepower road-going Boss 302 featured racing heads, a 780 cfm Holley carburetor, and an improved weight distribution compared to the Boss 429 or 428 Mach 1. Car and Driver’s reviewing staff ...

The Boss 429 had specially built heads with what's called a "twisted hemi" design, per Street Muscle Magazine. The engine also featured an oversquare design in which the stroke was shorter than ...

We’ll see if the Boss 429 deserves its accolades. The Boss 429 used a bored 385 cubic-inch block, rated at 375 horsepower. It used aluminum cylinder heads with valves angled at 30-degrees that catered ...