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    1970 Ford Mustang Boss 429 Fastback

    Consignment #: 7040 Sign In to View Price


    Vehicle to be offered for Auction sale January 15th – 19th, 2014 at Russo and Steele’s 14th Annual Scottsdale Arizona Auction. Please contact us for more information.

    For hard-core “Blue Oval” performance fans, nothing else compares to Ford’s mighty Boss 429 Mustang. Created and released for just one purpose – to homologate Ford’s hot new hemi-head Boss 429 engine for NASCAR Grand National competition – the “Boss Nine” was essentially hand-built by Ford subcontractor Kar Kraft of Brighton, Michigan.

    Extensive modifications to the Mustang’s basic structure were required to accommodate the big Boss, including the cutting and relocation of the front shock towers. A complete package, the Boss 429 included such special high-performance features as a stout “Toploader” close-ratio four-speed transmission, 9-inch Traction-Lok rear end, 3.91:1 gears, engine-oil cooler, trunk-mounted battery, competition suspension with front and rear anti-roll bars and staggered rear shocks, power front disc brakes, chrome Magnum 500 wheels, and fat F60X15 tires. Laughably, Ford rated output of the “street” Boss 429 Mustang at 375 hp, a figure that hardly explained the car’s ability to cover the quarter-mile in the 12-second range with slicks, basic tuning, and only a few minor modifications.

    At $4,087, the Boss 429 was the priciest non-Shelby Mustang to date, with limited production of 859 (including two Boss-Cougars) for 1969. Just 500 more followed for 1970 (including two “Quarter Horse” Boss/Shelby hybrid prototypes) prior to the cancellation of Ford’s massive and all-conquering corporate racing program.

    Bearing KK (Kar Kraft) number 2131, this highly rare 1970 Boss 429 Mustang has remained under exceptional single-owner care for the past 20 years. It clearly benefits from a fresh concours-level restoration performed by Mid Cities Mustangs of Dallas, Texas and completed in 2013. Retaining the factory-original T-Code Boss 429 engine, 2131 is complete with the original drivetrain and complete original interior, with the original vent caps included. Correctly finished throughout, the Boss features Grabber Blue paint, correct Grey primer underneath, and factory-correct markings. Believed to have travelled approximately 48,200 original miles, this car is accompanied at auction by photo-documentation of the restoration work, a Deluxe Marti report, an invoice, and a copy of the build sheet. Considered one of the most complete 1970 Boss 429s in existence, the offering of KK 2131 marks an exceptional opportunity to acquire one of the finest examples of Ford’s legendary, NASCAR-inspired Boss 429 extant.



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