The Boss 429 had specially built heads with what's called ... exhaust valves, forged rods and pistons, forged cross-drilled steel crank, four-bolt main caps, and 1.5:1 compression.

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 ...

A true icon of American muscle car history is now live for bidding on Bring a Trailer: a 1969 Ford Mustang Boss 429, finished in factory-correct Black Jade and offered at no reserve. Built to ...

The cross-drilled forged-steel crankshaft turned ... Tested in June 1983 by Special Interest Autos (SIA) magazine, the Ford Mustang Boss 429 proved a rather disappointing fallen angel.

The 1969 Mustang Boss 429 was designed as a NASCAR homologation ... That you should never cross Keanu Reeves, let alone kill his puppy and take his precious 1969 Mustang away from him.

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.

The opportunity to own a brand-new, 50-year-old muscle car is rare indeed, but things just got a little easier thanks to a new run of continuation Boss 429, Boss 302, and Mach 1 Mustangs being ...

Decisions, decisions. When mulling over which Boss Mustang to acquire, the 302 and 429 both have their merits. In the case of Al Geisler, he obviously could not make up his mind since he owns fine ...

I was there to watch the car cross the block. See All 20 Photos Meanwhile, a good unrestored Boss 429 of Thoroughbred status, meaning OEM parts, is in the $400,000 range So what is a Boss 429 ...

We're talking the 1960s-era Boss 302 and 429, as well as the Mach 1. The Yukon, Oklahoma-based company has since unveiled the first of the modern recreations, stunning audiences at last week's ...