In 1964, the original Ford Mustang debuted at an alluring price of $2,368. Dealers were bombarded with requests for the new vehicle. In Texas, 15 customers bid on the same car. The winning bidder had to sleep in the car so that it wouldn't be sold out.

Ford predicted sales of 100,000 units. On the first day alone, dealers took 22000 orders. The huge success was official when it was featured on the racetrack. During the first year, sales grew to 417,000 units.

Mustangs began making screen appearances in 1964 and have appeared in notable movies. The Mustang is an iconic vehicle, but one of the most respected variants of it is the 429 Boss. In the '60s, Ford didn't have an answer for the 426 Hemi, so it had to make a car to stay competitive. Here are 15 things you forgot about the 1969 Mustang Boss 429.

15 375 Horsepower And 450 Ft-Lb Of Torque

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The engine was the purpose behind the Boss 429. It was based on the Ford 385 and used steel connecting rods and a forged crankshaft. It delivered 375 hp and 450 ft-lb of torque. However, rumor has it, that the engine could produce much more than that. The numbers were lowered for legal reasons.

14 0-60 In 7.1 Seconds

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The engine was limited around 6,200 rpm, which is again believed to be for legal reasons. With this low rpm, the car could hit 30 mph in 3.2 seconds, do 0 to 60 in 7.1 seconds, and get from 0 to 100 in 13.6 seconds. The quarter-mile came in 14.09 seconds.

13 Multiple Performance Modifications

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With the heavy engine placed into the front end, the car gained weight. Engineers had to install a sway bar to the rear, which made the Boss 429 the first Mustang to ever get a rear sway as a stock detail. It handled better than other cars from that era with large engines.

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12 3.91 Limited Slip Differential

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The engine featured an oil cooler and was connected to a 4-speed manual transmission. Power was transmitted through the 3.91 limited-slip differential. In 1970, buyers could get a dealer option for a 6-pack intake system with new carbs. However, it's believed that only a few cars were equipped with this setup.

11 Only 1358 Units Were Made

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The Boss 429 was produced for the 1969 and 1970 model years in a total of 1,358 units. 859 of those built for 1969 and 499 for 1970. Besides, two of the '69 models were actually Boss 429 Cougars. Every now and then, you can find one of the cars going across the auction block for $500,000.

10 Unique Body Shape

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Because the new car had to fit a huge engine, multiple modifications had to be made to change the car's body. Up front, a chrome ring surrounded the radiator grille that housed 2 inner-sealed-beam highlights. On both sides of the grille, you could also see that the headlight cutouts were reshaped into rectangles.

9 Aggressive Front End

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Compared to other Mustangs of that time, the hood scoop of the Boss 429 was wider and more functional. Body lines came to a sharp point at the tip of the hood, adding character to the front end. The front bumper was round and thin, wrapping around both sides of the front end.

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8 Sharp Body Lines

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The most definitive feature of the Boss 429 was the sharp body line that went from the front headlights all the way back to the air vent on the rear quarters. The vent had a round shape on the outside. It was pointed to the inboard area of the car.

7 Small Rear End

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In the rear end, the car was similar to other Mustangs of that time. The taillights consisted of 3 separate blocks on every side. The "Mustang" lettering was spread across the rear decklid and bumper rests below the taillights. There was a cutout in the bumper for a license plate.

6 Wide Shock Towers

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Ford had to widen the shock towers to fit the big engine. The battery sat in the trunk, which cut down on the cargo space. The car sat lower than other models and was heavy at the front. It was available in 10 different colors. In 1970, the scoop was only available in black.

5 Simplistic, But Elegant Interior

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The interior of the car was very simple, yet elegant. The model got a wood trim on the instrument cluster, the center console insert and the dash on the passenger side. The three-spoke steering wheel was also made of wood. There were only 4 gauges in front of the driver, including the speedometer and the tachometer.

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4 Bucket Type Seats

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Large wood inserts separated the armrest from the shifter. The bucket-type seats were wrapped in leather and matched the door trim panels and the dashboard. The trim inserts and gauges featured chrome strips that put the accent on chrome plates along the door jam to add a bit of style.

3 The Largest Hood Scoop

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The functional hood scoop was larger than anything else on any Ford car at that time, with the exception of the Boss 429 Cougar. This scoop would carry over to the '70 model year. To this day, this is the largest factory hood scoop to be installed on a Mustang.

2 Special NASCAR Identification

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To show how special the Mustang Boss 429 was, it got the unique NASCAR identification that was put on the driver's side door. Every Boss 429 received a KK number which stood for Kar Kraft. KK 1201 was the first car and KK 2558 was the last Boss 429 ever made.

1 Early S Boss 429

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The cars had no air conditioning due to the engine size. The earliest models were known as S and had a different engine. Those cars got magnesium valve covers, nearly no emissions equipment and NASCAR style forged internals. It's rumored that S cars were more powerful than other Boss 429s that had emissions-related equipment.

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