1969 ford mustang boss 429

Ford enlisted the help of Kar Kraft to wedge the massive ci into the mighty Boss Mustang. The Boss engine featured aluminum cylinder heads, which had a modified Hemi type combustion chamber which Ford called "crescent". The Boss engine 1969 ford mustang boss 429 a single Holley four-barrel carburetor rated at CFM mounted on an aluminum intake manifold. All these cars had 4-Speed Manual Transmissions and the Boss was rated very conservatively at HP while actual output was believed to be well over horsepower.

It was built as a limited production Mustang Fastback to meet the required homologation of units. Power was legally rated to horsepower kW although horsepower kW was possible. To meet emissions regulations, a mild cam was fitted along with a smog pump and small carburetor. With a few modifications up to bhp was common. Since the new engine was too large to fit in standard Mustang body, KarKraft was hired to modify the front-end of the car into a standard Sportsroof SCJ body. They took a Mach 1 and changed the inner fenders, widening the shock towers, to made additional space.

1969 ford mustang boss 429

The Boss Mustang is a high-performance Ford Mustang variant that was offered by Ford in and The Boss is recognized as being among some of the rarest and highly valued muscle cars to date. NASCAR's homologation rules required that at least cars be fitted with this motor and sold to the general public. After much consideration, it was decided by Ford that the Mustang would be the car that would house this new engine. The Boss engine evolved from the Ford engine. It used four-bolt main caps, a forged steel crank and forged steel connecting rods. The engine featured aluminum cylinder heads, with a semi-hemispherical type combustion chamber which Ford called the "crescent". These heads used the "dry-deck" method, meaning the coolant circuit for the block was separate from the cooling circuit for the head The "dry-deck" method of design is intended to strengthen the block by removing the open coolant jackets around the cylinder and reduce hot spots by providing more direct cooling. Each cylinder, oil passage and water passage had an individual "O" ring style seal to seal it tight. Although a head gasket is used, it only seals the cylinder for combustion so a failure at one point won't compromise the others. The Boss engine came standard with a single Holley 4-barrel carburetor rated at CFM mounted on an aluminium intake manifold that flowed well for its time. The Mustang's engine compartment was not wide enough to accommodate the massive Boss engine, so Ford contracted with Kar Kraft of Dearborn, Michigan, to modify 4-speed Cobra Jet Mustangs to accept it. Production of the Boss began in at the Ford Rouge plant, where front apron assemblies revised to accept the large Boss engine were installed during vehicle construction.

Article Talk. Formerly on display at the Floyd Garrett Muscle Car museum.

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In the late '60s, Ford came up with the ultimate plan to dominate NASCAR, and this plan led to the creation of the legendary Boss semi-hemispherical engine - absolutely one of the greatest race engines ever made. After building the 'perfect engine' to rule the track, Ford had one more obstacle to cross, and that was to fit the engine in at least units of road-going cars for the purpose of homologation. To achieve this, the iconic Ford Mustang became the choice model to receive the Boss engine. Hence, the Mustang Boss was produced in limited numbers for two consecutive years, and Let's tell you more about the maiden model of this iconic classic muscle car, the Ford Mustang Boss The Ford Mustang remains an iconic muscle car that surely needs no introduction in the automotive world. This ultimately led to the production of the muscle car icon, the Ford Mustang Boss The legendary muscle car had a production run that spanned only two years - the and Ford Mustang Boss Let's see some of the features and attributes that make the Boss Mustang such a special muscle car.

1969 ford mustang boss 429

If there's an ultimate Ford Mustang, it absolutely has to be the Boss No other pony coming out of a Ford factory has ever matched its single-minded purpose and construction - take the nastiest corporate V8 a NASCAR-spec big block , top it with some aluminum heads with giant ports, and shove it into the Mustang by chopping up the shock towers. Bake for a few weeks at Kar Kraft, then unleash it onto an unsuspecting public. Today, the Boss 'Nines are worth their weight in gold, and there just aren't enough to go around, with only being built in and So what's an enterprising Mustang fan from Iceland to do when a Mach 1 with a just won't cut it? How about building your own Boss tribute, then painting it badass black with a black interior for that extra sinister touch? This '69 Mustang is just such a car, and as soon as you hear it run, you'll stop wondering about performance potential and start reaching for your checkbook. Of course, if you know cars, you know the Boss was a lot of potential that looked great on paper but didn't quite deliver the goods on the street.

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Motor vehicle. Ford made Boss s in Log In. Also included in Boss Package was the fender decals, manually-controlled hood scoop, a front spoiler, dual racing mirrors, engine oil cooler, trunk mounted battery, power steering, power front disc brakes, a close-ratio 4-speed manual, 3. Original build sheet, pre-delivery checklist and invoices. A dealer-installed option of a six-pack intake and three 2-barrel carburetors was made available, though very few of these were sold. It was built as a limited production Mustang Fastback to meet the required homologation of units. Since the new engine was too large to fit in standard Mustang body, KarKraft was hired to modify the front-end of the car into a standard Sportsroof SCJ body. Power was legally rated to horsepower kW although horsepower kW was possible. Retrieved 28 March Completed in June Read Edit View history. After much consideration, it was decided by Ford that the Mustang would be the car that would house this new engine.

Painstakingly restored to the stunning example of this rare Mustang GT.

Tools Tools. Kar Kraft Each car was given a "KK" number which stood for Kar Kraft. The engines were removed at Kar Kraft on these early production Boss 's that left different assembly line details from all other Boss 's. They took a Mach 1 and changed the inner fenders, widening the shock towers, to made additional space. Rim Blow horn. This article needs additional citations for verification. For the hydraulic cam engine, they measured a peak of Log In. All cars came with 4-speed manual transmissions and a rear-wheel drivetrain.