Heroshot

1970 Ford Mustang

Boss 429
Smaller, but more successful Mecum Glendale sale earns $40M
Thursday, 18 March - Sunday, 21 March 2021
$385,000
Sale Price
$250,000 - $300,000
Est. Range
Yes
Reserve
20 March 2021
Sold Date
S114
Lot Number
#2
Older restoration
Mecum Auctions
Auction House
Chassis no. 0F02Z130741. Grabber Green over black vinyl. 429/375hp, 4-speed, Drag Pack, spoilers, 3.91 Traction-Lok, power steering, competition suspension, console, dash clock, Deluxe Marti Report.

Evaluation: One of 857 Boss 429s built for 1969. Fully restored and gorgeous.

Bottom Line: In order to homologate the Boss 429 engine for NASCAR racing, Ford decided to wedge the massive V-8 into the Mustang for sale to the public. But the 429 wouldn’t quite fit in a standard Mustang, so Ford had to rework the front end of the pony car and contracted with Kar Kraft to install and further modify the Boss. Fewer than 1400 were made and today they’re some of the most valuable Mustangs out there without a Shelby badge.

This is a handsome car in a good color, but that only goes so far in explaining this massive above-estimate price, especially since another restored Boss 429 out of the same collection sold immediately before for just $225,500.

by Andrew Newton
24 March 2021
A story about
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Condition definitions
Condition #1: Concours
Condition #1 vehicles are the best in the world. The visual image is of the best vehicle, in the right colors, driving onto the lawn at the finest concours. Perfectly clean, the vehicle has been groomed down to the tire treads. Painted and chromed surfaces are mirror-like. Dust and dirt are banned, and materials used are correct and superbly fitted. The one word description for #1 vehicles is “concours.“
Condition #2: Excellent
#2 vehicles could win a local or regional show. They can be former #1 vehicles that have been driven or have aged. Seasoned observers will have to look closely for flaws, but will be able to find some not seen by the general public. The paint, chrome, glass and finishes will all appear as excellent. No excessive smoke will be seen on startup, no unusual noises will emanate from the engine. The vehicle will drive as a new vehicle of its era would. The one word description for #2 vehicles is “excellent.“
Condition #3: Good
#3 vehicles could possess some, but not all of the issues of a #4 vehicle, but they will be balanced by other factors such as a fresh paint job or a new, correct interior where applicable. #3 vehicles drive and run well, but might have some incorrect parts. These vehicles are not used for daily transportation but are ready for a long tour without excuses, and the casual passerby will not find any visual flaws. “Good” is the one word description of a #3 vehicle.
Condition #4: Fair
#4 vehicles are daily drivers, with flaws visible to the naked eye. The chrome might have pitting or scratches, the windshield might be chipped. Paintwork is imperfect, and perhaps the body has a minor dent. Split seams or a cracked dash, where applicable, might be present. No major parts are missing, but the wheels could differ from the originals, or other non- stock additions might be present. A #4 vehicle can also be a deteriorated restoration. “Fair” is the one word that describes a #4 vehicle.
Condition #5: Poor
Running, but battered, incomplete, and perhaps rusty.
Condition #6: Parts car
Parts car.
N/A
Hagerty only assigns condition ratings to vehicles we can inspect in person or, for online listings, via high-quality photography.