Brown partnered with Lohone to help develop and assemble the engine, and right away, they knew using an original Boss 429 block and heads was out of the question. The specific, thin-wall casting ...

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 ...

Brown partnered with Lohone to help develop and assemble the engine, and right off the bat, they knew using an original Boss 429 block and heads was out of the question. The specific, thin-wall ...

With its mission rooted in winning NASCAR races, the Boss 429 was fitted with cylinder heads sporting free-flowing intake and exhaust ports and Ford's take on the hemispherical combustion chamber ...

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

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 ...

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.

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.

Ford unveiled the Boss 429 in 1969 after NASCAR had disallowed its 427 single overhead cam motor. Decision makers inside Ford were tired of getting whupped in NASCAR competition by Chevrolet's ...

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 ...

Brown partnered with Lohone to help develop and assemble the engine, and right away, they knew using an original Boss 429 block and heads was out of the question. The specific, thin-wall casting ...