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The team at LMC would like to inform our customers that all borders remain open for commerce. As of late, we have been very busy with sales/purchasing and are still able to transport vehicles throughout North America and globally! We would like to thank our customers for their continued business, not only in the past few months but, for the last 35 years!

$295,000 USD


 Click any thumbnail below to display the 1970 Ford Mustang BOSS 429 slide show.


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1970 Ford Mustang BOSS 429

  •  Rotisserie Restoration By Legendary Motorcar
  •  Extremely Rare and Beautifully Restored
  •  Highly Desirable Factory Calypso Coral
  •  4-Speed Close Ratio Manual Transmission
  •  Featured On Legendary Motorcar Television Show
  •  Fully And Completely Documented

LMC is very proud to offer for sale this 1970 Ford Boss 429

  The Boss 429, sometimes referred to as the "Boss 9" by blue oval enthusiasts, is arguably one of the rarest and most valued muscle cars from the era. In total there were 859 original ’69 Boss 429s then only 499 Boss 429’s for the 1970 model year. The origin of the Boss 429 was as a result of Ford’s desire to compete NASCAR. Ford was seeking to develop a Hemi engine that could take on the Mopar Hemi boys - the 426 Hemi Charger Daytona and the Plymouth Superbirds - the monsters for Ford to slay to achieve their desire to rule the track. The Boss 429 engine featured aluminum cylinder heads, which had a modified Hemi type combustion chamber which Ford called "crescent". The Boss 429 engine used a single Holley four barrel carburetor rated at 735 CFM mounted on an aluminum intake manifold. All these cars had the Hurst Competition Shifter 4-Speed Manual Transmissions and the Boss was rated very conservatively at 375 HP while actual output was believed to be well over 500 horsepower. Mustangs' were simply too small to accept the massive Boss 429 engine so Ford hired Kar Kraft of Brighton, Michigan to modify existing 428 Cobra Jet and Super Cobra Jet Mach 1 Mustangs. Modifications included widening the shock towers and extending out the inner fenders. The mounts for the front suspension were chopped and displaced to create room for the block and exhaust manifolds. The battery was repositioned to the trunk and a stiff 3/4" sway bar was added to rear end to improve handling since the car was now nose heavy. It was also equipped with a 3.91 ratio rear axle with a "Traction-Lock" limited slip differential. In addition, a hole was cut in the hood, and a manually controlled hood scoop was added. Other features included a front spoiler and color keyed dual racing mirrors.  In short, all Boss Mustangs are simply big block power with few options. These very special cars were given NASCAR identification with a "KK" number that was placed on the driver's side door. 

  This Boss was built on December 9th, 1969 at Dearborn and delivered to Fuller Ford Inc in Cincinnati, Ohio. Open the hood with the fully functional air-gulping Hood Scoop, which were all painted Matte Black regardless of the color of the car, to find the Boss 429. The engine bay shows correctly and is fully detailed with all the production chalk marks, tags and decals. The Boss 429 engine is connected to its RUG 4-Speed Close Ratio Manual Transmission with the mandatory Hurst Competition Shifter. It also came factory equipped with a Code “V “3.91 ratio rear axle with a Traction-Lock limited slip differential. This Boss, representing the rarest production year of the Boss 429 cars, has received a nut and bolt rotisserie restoration from us here at Legendary Motorcar and featured in an episode of our television show. Restoration Photos. It looks striking in the rare factory Calypso Coral exterior which has excellent depth and beauty. These cars had just a very plain external identification with only the White Boss 429 decals on the front fenders behind the bright chrome Magnum 500 wheels mounted on Goodyear Polyglas tires. The interior is what you the expected from the Mustang of that year. The interior features the Black Clarion Knit/Corinthian Vinyl Hi-Back Bucket Seats. It is in excellent condition with great chrome and step plates. Even the restoration of the undercarriage reflects the high level of the quality restoration and the extreme detail taken to have this Boss present correctly. Marti Report also confirms the other factory options which include: Drag Pack, Convenience Group, Electric Clock, F60X15 Tires, Collapsible Spare Tire, Rim Blow-Deluxe Steering Wheel, Console, Power Front Disc Brakes, Power Steering, AM Radio, Décor Group, Deluxe Belts, Competition Suspension, Tachometer, Functional Front Air Spoiler, and Trunk Mounted Battery. 

  With its top class restoration, this Boss 429 would be at home at any show. Being extremely rare and very desirable, this ultimate Boss is an investment grade automobile. Even sitting still, this Calypso Coral Boss looks like a serious weapon for either the street or strip. Don’t miss this opportunity to own one of the best Ford muscle cars ever produced.



We offer flexible financing and leasing options for both USA and Canadian clients. Legendary Motorcar Company specializes in classic and exotic vehicle acquisitions, sales, consignments, global sourcing, restorations and collection management since 1985. www.legendarymotorcar.com Follow us on Facebook, Twitter, You Tube and Instagram. Tune in to Legendary Motorcar the TV show, on BNN Business News Network in Canada and Velocity Network in the USA.

For Canadian Residents, Price + Applicable Taxes + Applicable Licensing Fees. All Prices in USD's.

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