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The Boss 429 Mustang is a high-performance Ford Mustang variant that was offered by Ford in 1969 and 1970. Overview. The distinctive enormous valve covers on a semi ...
429 Police Interceptor. The 1971 429 police interceptor was tuned similarly to the 429 Cobra Jet, with an 11.3:1 compression ratio. Featuring forged notched pistons [clarification needed] the engine was rated at 370 hp (gross). [citation needed] Applications: Ford Thunderbird (1968–1973) Ford Mustang (1969–1971) Ford Mustang Boss 429 (1969 ...
Later in the season, the Boss 429 engine was used by many of the teams, after it had finally been declared "officially homologated" by NASCAR president Bill France. The Boss 429 engine was homologated in the 1969 Ford Mustang Boss 429. In a very unusual move, Ford homologated the engine separately from the car in which it was to race.
It was based on the Mustang SportsRoof model and replaced both the Boss 302 and the Boss 429 models. The Boss 351 engine was a 351 Cleveland four barrel engine with a mechanical cam, solid lifters, 11.0:1 compression ratio, aluminum intake, and a 4 bolt main bearing block. It was topped with an all-new 750 CFM Ford 4 barrel carburetor.
The Boss 302 was created to satisfy Trans Am rules and featured distinctive hockey-stick stripes, while the understated Boss 429 was created to homologate the Boss 429 engine (based on the new Ford 385 series engine) for NASCAR use. The two Boss models received fame on the track and street.
As the pony car wars continued, "Bunkie" Knudsen ordered Ford's large 429 cu in (7.0 L) Cobra Jet V8 into the 1969 Ford Mustang's engine bay. Lunn was charged to build the "ultimate Mustang" and worked with Kar Kraft, the Brighton, Michigan, specialty shop that built many of Ford's racing cars at the time, to produce the Boss 429. [7]
The Mustang made its first public appearance on a racetrack as pace car for the 1964 Indianapolis 500. [10] The same year, Mustangs won first and second in class at the Tour de France international rally. [100] In 1969, modified versions of the 428 Mach 1, Boss 429 and Boss 302 took 295 United States Auto Club-certified records at Bonneville ...
Ford Mustang Boss 302 (1969-1970) Ford Mustang Boss 429 (1969-1970) Ford Mustang Mach 1 (1969-1970) Ford Ranchero Rio Grande (1969) Ford Shelby GT350 (1969-1970) Ford Shelby GT500 (1969-1970) Ford Torino (1969) Ford Torino Cobra (1969) Ford Torino Talladega (1969) Mercury Cougar Eliminator (1969-1970) Mercury Cyclone Spoiler II (1969) Mercury ...