Big Block Pony Project: 1969 Mustang Boss 429

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What an abomination! This 1969 Mustang Boss 429, shown here on eBay, has been treated like it’s any old junk car, left to sit out, and now owned for a year by a person who has decided that he would rather do things more meaningful to him than restore it. I’m sorry, but those words don’t make sense in the language I speak. What could be more meaningful than restoring one of the finest muscle cars produced by Ford, or anyone else? If you’re the one to take this car off the seller’s hands, prepare to jump over $50K, where the bidding now sits short of reserve. You could end the drama with a buy-it-now shot at $120. Then what would you be in for? A trip to Waxhaw, NC with a trailer and some kid gloves, because it looks like parts of this car are ready to crumble to dust if not handled with care.

Yes, you will have paid too much. It’s bad enough that the car hasn’t been properly stored, but even now as he asks six figures for it, the seller allows leaves to accumulate in the gutted interior. What’s a bit funny about those pictures is that the door panels look quite nice, and the seats (sitting in an office or something) are redone. So for some reason, you’ve got a rust-eaten body, an engine sitting loosely in the engine bay, and an interior that’s got elements of factory newness.

Imagine the guy who drove this one off the line, or put it, in its original Wimbledon White livery, on a Ford dealer’s showroom floor. What about the people who bought it brand new? Contrast their glee with the sad remains that still exist. But maybe, just maybe, this is your calling. Don’t do what the seller says and modify this Boss to your tastes. Just carefully, slowly, and expensively put it back to right. Maybe keep the underside of the trunk unpainted from the original, and just leave the tire change sticker there, poor condition though it may be in.

Be prepared for more bad news than good, though. You’re going to get an engine with this chassis, and it’s a correct one for the era, but not for this car. There is what the seller describes as “rust in all areas typical for vehicles that have been outdoors for an extended period of time,” and it looks worse than you’d hope for. Anytime you can see the road underneath a rusty element, you know you’re in trouble. Perhaps there was a time when this was just a failed project, a neglected hulk not worthy of attention. What’s changed? That it’s not totally insane to think that somebody would pay you this kind of money for a car that needs a sheet metal surgeon on call for emergencies at all times of the day or night.

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Comments

  1. Fahrvergnugen FahrvergnugenMember

    Usually I complain when sellers couldn’t be bothered to wash their pigs before taking them to market. This one needs a leaf blower, but maybe that’s intentional to hide the condition / existence of the floors.

    Like 28
    • Dave

      It’s really weird. Think it’s an attempt to make it look more like a “barn find”?

      Like 4
    • BBishop

      And to think my 1965 Mustang 200-6 cylinder coupe is resting comfortably in a dry heated garage.

      Like 16
  2. CadmanlsMember

    Now this just blows me away, 30 years ago these cars were being restored and we’re becoming quiet collectable. This is serious case of neglect and not just a few years. As previously mentioned it may be the reason for the leaves to hide condition of the floors. It’s restoration will be labor intensive and not cheap as no doubt many parts are missing or lost. These cars did nothing special, they were detuned to run on the street and we’re nose heavy. What they did was fulfilled a NASCAR requirement to enable Ford to race this amazing engine. But alas it wasn’t meant to be. Horsepower was getting excessive and they were no longer allowed on the tracks with NASCAR. They did do well in drag racing for a time but Ford phased it out. They look amazing with the hood open, real piece of jewelry!

    Like 8
  3. 19sixty5Member

    This guy was here before, for $143k, and located in WV. It appears it went to a new owner in NC, too much work and $$ for the current owner?
    https://barnfinds.com/da-boss-1969-ford-mustang-429/

    Like 8
  4. angliagt angliagtMember

    Well,they did add dual parking brakes.
    Rare factory option?

    Like 0
  5. Robert West

    Now this is a crime! Forget all that little petty stuff cops look for….THIS is the equivalent of 2nd degree murder! Even when sold new people had to know that one day these cars were going to be more valuable than your house.
    And someone had the audacity to back yard mechanic on this rarity and take it half apart. Shame.

    Like 8
  6. Yblocker

    I know there’s a lot of stupid people in this world, but I never would’ve guessed there was any human being so brain dead as to let a car like this, get like this. What a travesty.

    Like 15
  7. BA

    There are 100,000 people in the USA & probably more who have the money & desire to bring this car back all the way & not even break a sweat financially but this car isn’t on their radar but if it does the car will be sold. Those people buy the 6 million dollar Ferraris 800,000 dollar horses it’s just not normal to us but all it takes is the right situation & you invent a tile cleaner or a dog food & bam! Your looking at this car saying what a great project !

    Like 4
  8. Bruce Glocke

    Where do you see dual parking brakes ????‽

    Like 2
    • Ron

      Think that’s a reference to the wheel chocks…

      Like 5
  9. greg

    The BOSS 429 had a smaller carb than the BOSS 302, so not able to unleash the true potential of the engine. A car that needs everything, not like the Shelby Mustang that is in the garage.

    Like 4
    • CenturyTurboCoupe

      Pretty sure the Boss 429 used a 800cfm Quadrajet with very narrow secondary needles for high fuel flow. I have these needles from one of these carbs. What size would the 302 run??

      Like 0
      • greg

        The BOSS 302 had a 780cfm Holly carb and the the BOSS 429 came with a 735cfm Holley carb for the production cars.

        Like 0
  10. GuernseyPagoda

    I don’t care if you’re a Ford person or not(I’m not), $120k for this, and it doesn’t even have the numbers engine, heads, correct color, etc. Big Block, Schmig block. “Had intentions of restoring….” RIGHT. Good luck fetching close to $120 for this.

    Like 5
    • Howie

      But here on BF’s it is only $120.

      Like 8
  11. CCFisher

    Brian K sure seems to be afraid of rust. Overpriced? Definitely. Incomplete? Absolutely (and the missing parts won’t be cheap or easy to find). Too rusty? Nope. There’s nothing here that anybody who’s restored a Mustang hasn’t seen before. That it’s a real Boss 429 only serves to ensure that someone will bring it back.

    Like 3
  12. John

    What a deceptive presentation. Door panels are most probably replacements. The leaves? LMAO, you gotta be kidding me?? And no mention of the engines condition? I would expect the worst. Still, what a great payday for a wreck he probably got for a song. I am very envious!

    Like 1
  13. Bruce Glocke

    What is the Vin number

    Like 0
    • 19sixty5Member

      The VIN and KK number are on the ebay ad

      Like 1
  14. TheOldRanger

    Back in the days when I was a high school teacher, I taught at one school in west Texas whose mascot was the Mustang. The number of Mustang cars sitting in the parking lot on any given day was at least 70% of the student body count (those who had a drive’s license). Since the distance between this school and their competition was at least 35 miles away, on any given Friday evening during football season, it appeared to be a long parade of Mustangs headed out of town for the game.

    Like 6
    • pete

      Shallowater Tx-the boys teams are Mustangs. the girls are Fillies–at least there’s someplace that still has taste and a sense of humor.

      Like 1
  15. Big C

    I’d love to know the back story on why the owner decided to throw away a big chunk of his retirement cash.

    Like 1
  16. GIJOOOE

    I say this jokingly, but- there should be a black list of people who buy super rare, super expensive cars just to let them rot in the yard that are never allowed to buy a classic car ever again. And this dude has the audacity to ask $120k for a rotting carcass of a once glorious muscle car that doesn’t even have its original engine, but in all likelihood he’ll get his asking price.

    Like 3
  17. RickyMember

    @TheOldRanger. Lubbock Coronado Mustangs ?

    Like 0
  18. rayburn

    These boss 429 mustang prices are right up there with hemi Cudas in this shape. Probably just as rare or more so.

    Like 2
  19. Bigdaddy

    The engine pictured doesn’t come with the car??? WTF????

    Like 2
    • 19sixty5Member

      Per the ebay listing, “Car comes with date code correct HP 429 engine with intake and heads but are not original to car.”

      Like 0
  20. Rob S.

    Wow! They are still out there…..the VIN tag is just sitting on the dash…and it looks to be a reproduction…..HHHMMMM. a VERY CLOSE,SCRUTINIZING inspection would be a good idea here.
    What constitutes overpriced? If someone plunks down $100K for this, is it overpriced to them? It’s all subjective, I guess.

    So let’s do some quick math…
    100K for the car
    Air cleaner assy- 5K
    Carb-$2500
    Dizzy- 3-5K
    Smog system- 5-8K
    Radiator 3-5K
    Export brace-2500
    Rotating assy- 5-8K
    Maniflods-5K
    If it needs the correct rear set up….10K??
    Just a quick glance from what I can see.
    It is adding up fast!! Can everything be found is the question.
    Now you have to rebuild EVERYTHING mechanical 15-20K? At least??
    Body repairs and CONCOURSE finishing
    80-100K?
    So for, let’s say, 150-200K in parts and labor you could have a “correct” BOSS 429.
    MAYBE you could locate the original block. Its been done several times before….?
    Just insanity!!! But, I think it will happen for someone….people are throwing money around like it is growing on trees now days.

    Like 1
  21. steven

    It is absolutely a crime to do this to a car of this nature. I got sick to my stomach when I saw the interior pics

    Like 1
  22. Piper62j

    Nope on this one.. I’ve restored many Mustangs of this era and I would shy away from this car.. All the parts to restore it are available and deep pockets are a must, but in the end, what would it actually bring at auction??

    Like 0
  23. RickyMember

    Was just wondering, I’m in Lubbock.

    Like 0
  24. B Wallace

    I have a 1978 Copy of Hemmings there is an ad for a White Boss 429 in OH 6K original miles $6K Firm so maybe a tad more than it cost new. I thought about it as I knew Muscle Cars would one day be valuable but when I considered the drive to OH to get it and that it probably would not be a good Daily Driver I decided to pass. I was at a Mecum Auction in IL in 2011 and one of the “Stars” was a White Boss 429 with 7K original miles thought to be the lowest mileage Boss 429. Could it be the same car what do you think? It sold for $290K

    Like 0
  25. Claudio

    I am quite sure the number on the block can be changed to the right one and become matching !

    Like 0
    • Yblocker

      Alter a casting number? I don’t think so.

      Like 0
  26. john vititoe

    I really can’t believe people would spend even 25,000.00 for a rust wagon. All i can say is that they must have endless pockets. And if someone actually pays 120,000.00 Retards.

    Like 1

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