1969 Ford Mustang Boss 429

The boss 429, sometimes referred to as "Boss 9" by blue oval enthusiasts, is probably one of the rarest and most appreciated muscle cars from the era. The origin of Boss 429 came as a result of Ford's desire to compete in the top NASCAR series. Ford was looking to develop a "Hemi" engine that could compete with the famous 426 Hemi Winged Warriors from the Mopar Camp - the 426 Hemi Charger Daytona and the Plymouth Superbirds. At this point, NASCAR demanded that at least 500 cars be equipped with the competition engine and sold to the general public. The Boss 429 engine featured aluminum cylinder heads, which had a modified Hemi combustion chamber called the Ford "Half-Moon". The Boss 429 engine used a single Holley four-barrel carburettor with 735 CFM mounted on an aluminum intake manifold. All of these cars had 4-speed manual transmissions and the boss was very conservatively rated at 375 hp, while the actual performance was probably far over 500 hp. Mustangs' were simply too small to accept the massive Boss 429 engine, making Ford Kar Kraft from Brighton, Michigan to change existing 428 Cobra Jet and Super Cobra Jet Mach 1 Mustangs to properly fit the new Boss 429 engine. Karkraft has made extensive changes, including the extension of the shock towers and the expansion of the inner fenders so this monster engine can fit. The brackets for the front suspension were chopped and offset to provide space for the block and exhaust manifolds. The battery was placed on the trunk, and a stiff 3/4 "swivel bar was added to the rear to improve handling, as the car was now heavy. It was also fitted with a 3.91 ratio rear axle with a traction lock "Limited Fitted Slip Differential. In addition, a hole was cut in the hood, and a manually controlled hooded shovel was added to these cars. Other features were a front spoiler and color keyed dual racing mirror. All Boss Mustangs are simply great block power With few options And offered in just five different colors in 1969: Raven Black, Wimbledon White, Royal Maroon, Candy Apple Red and Black Jade. These very special cars were given NASCAR identification that was placed on the driver's doorway. Each car received A "KK" number, which stood for Karkraft and all cars after KK # 1480 no longer had the much more desirable "S-code" engine. The boss line shows A weakened outside, compared to other Mustangs of the era like the Boss 351 or Mach 1. Only a very simple external I cement of the car were the White Boss 429 decals on the front fenders, small functional Black Front Air spoilers and no rear spoilers or Rear Window Louvers ... a clean look that some fanatics call the appearance of a "sleeper" "without conspicuous to designate racing strips to announce the power.

This 1969 BOSS 429 is a true survivor, which is one of only 859 Boss 429. Fascinating in the factory Candy Apple Red's color is bright and predominantly clear with areas that show their original character from the various brands, smaller topical scratches and natural patina. The body, doors and trunk lids have a good equipment with typical gap space for the era and arrange themselves well. The chrome and metal surfaces are in a good original condition, with the bumpers exhibiting a minimal deterioration. All the decorations are original and are harmless. It has factory correctly raised white labeled Goodyear polyglass tire on Magnum 500 wheels, which have very good chrome. On the lifting platform, the chassis reflects an original, never restored car, as you can see in the pictures, which is exceptionally clean and impressive. Lift the hood you can appreciate, such as the massive "S" Code 429 cu. In. Engine had to be wedged in to fit the engine compartment. The interior equipment factory Black Clarion Knit Vinyl Hi-Back bucket seats on black carpet, both original and in very good condition. The steering wheel, console and door panels are original and show average wear for their low mileage and age. Overall, this car is a truly beautiful survival and presents a very unique opportunity to purchase an extremely desirable, original, fully documented, early production "S" Code Boss 429.

At Concours events "Preservation Classes" were added nationwide to present well-preserved and unrestored, unrefined and unchanged cars. In "Hagerty's Cars, the Matter", they observed that unrestored cars sold for prices that would have been astonished in the recent past