1969 ford mustang boss 429

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.

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 used 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. Kar Kraft made extensive modifications, and the Ford Dearborn assembly plant widened the shock towers to allow this monster engine to fit. This is one of the most sought-after Muscle Cars and has been the most stable Muscle Car investment over the past ten years.

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. These also provided a stronger and cleaner front structure, important considerations on such a performance car, and were coupled with reworked front fenders. The cars were then shipped to Kar Kraft's new assembly plant in Brighton, Michigan for engine installation and further modifications.

Mark Leofe Capayas. 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.

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The Mustang Boss is one of the most valued and sought after muscle cars. In total, units were made. The company never intended to create a legend; instead, it had to homologate the semi-hemispherical power unit. According to homologation rules, a company must make at least cars and sell them to the general public. Ford decided that the Mustang would be the car to get the new engine. To make the production of a new car cheaper, Ford used the Cobra Jet Mustang as a base and commissioned Kar Kraft to make modifications. Production began in at Kar Kraft's new assembly plant. The entire purpose of building the Boss was the engine. It was based on the Ford but had new steel connecting rods and a forged steel crankshaft.

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.

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Delivered new in Lafayette, California and sold on May 13, All of the body panels are original to the car and date coded, the two areas of the rear tail lamp panel and rear lower valance with NOS pieces. A dealer-installed option of a six-pack intake and three 2-barrel carburetors was made available, though very few of these were sold. Power steering. Such a large big block engine made the car nose heavy. Completed in June Every part on this car has been analyzed, cataloged and date code deciphered. Basic Year Ford enlisted the help of Kar Kraft to wedge the massive ci into the mighty Boss Mustang. Power front disc brakes. Freshly detailed engine compartment. These also provided a stronger and cleaner front structure, important considerations on such a performance car, and were coupled with reworked front fenders. However, sales started to drop off for the Boss Mustangs and with higher production costs, gas costs, and other internal Ford problems, it was decided that would be the last year of the Boss

The Ford Mustang needs no introduction. It's one of the most iconic American muscle cars to have ever been produced, with an illustrious back-catalog of highly influential models from across the span of six decades.

The speed equipment manufacturer Crane Cams tested engines that were stock as manufactured, with the exception of substituting tubular headers for the stock cast iron exhaust manifolds. Longitudinal engine mounted Front-engine, rear-wheel-drive layout. The rest of the car featured a very clean look that was atypical of most performance Mustangs that Ford had produced, which often emphasized appearance over its reality. Interior Interior Color Black. Believed to be actual miles of This car was one of the first 60 cars built which means it had a lot of unique early parts and Kar Kraft assembly line differentiations. Accompanied by original dealer and delivery documentation, as well as a Marti Report. Last name. Console, AM radio. Power disc brakes. Each part during the restoration was documented along with all of the date codes and part numbers. Wikimedia Commons has media related to Ford Mustang Boss