1971 Ford Mustang Mach 1 429 SJC 4-speed

One of a handful ever build


Year 1971
Make Ford
Model Mustang Mach 1 429 SJC 4-speed
Engine and transmission
Engine Type V8
Engine Size 429cui
Estimated HP 375
Heads SJC ford
Carburetor 4 bbl
Intake SJC ford
Ignition Ford electronic
Transmission Type Manual
Transmission Spec Toploader
Exhaust Type Dual
Muffler Type Custom
Interior Color Black
Seating Type Buckets
Seat Material Vinyl
Shifter Type Floor with console
Restoration Status Restored
Awards Summary Show quality
Body Style Fastback
Doors 2
Body Color Grabber blue
Paint type 2 stage
Stripes Original Mach1
Front Suspension Type Stock
Rear Suspension Type Stock
Axle Specification 9 inch ford
Wheels 15 inch magnum
Front Brakes Discs
Rear Brakes Drum
Miscellaneous As with all our quality cars, this car also comes fully inspected, serviced and turn key ready. The car also comes with all the important body codes, vin and casting codes still in place. The car also comes with a copy of its factory Marti report ( build sheet) and correct original body tags.
Bodywork & Trim

Super laser straight body, rust free, great high-end paint job with all new and correct stripes and marks, very good glas, chrome and other details, as new emblems and trim. The underside of the car is also very clean and detailed, just as the topside.


Rebuild and correct 429 Super cobra Jet engine with RAM AIR intake and shaker system.


Original ford Toploader 4 speed manual trans with Hurst shifter and 4.11 rear end gears dragpack package. All factory original steering, suspension and fuel components.


Restored original style interior with black high back bucket seats, floor shifter with console, rally dash with factory tacho and additional engine monitor gauges, AM/FM with 8 track ( very rare) and all new carpeting, headliner and door panels and trim. A flawless and as new interior.

General discription


1971 Ford Mustang Fastback MACH 1 - 4 speed SUPER COBRA JET 429 cui, dragpack 4.11 geared big block car !, it just can't get any better than this !, its also loaded with many desirable options. The car is an original low mile (29850) car before it was restored and one of only 9 ever produced in this grabber blue/silver paint. 

This is a super rare car and one of only 324 ever produced 4 speeds with the SJC engine and ram air installed. In this rare color and interior combination its one of only 1,7% ever produced! Mach1's and one of only 9 SJC's . This combined with its original Y coded 4.11 drag pack rear axle gears, and its other options its one of only a hand full ever produced cars. And probably the only one in this combination that's still carries its complete original components and options. The car comes with a Marti report and all its original body tags and numbers to prove its original pedigree. 

1971 Was the first year of the all new body design, but also, sadly the last year of the factory performance big-block cars. PTTM is very proud to present this great and rare car to its clients. It's not often that you see these fastbacks in such a great color combination and quality. This car has been completely restored inside and out and it's equipped with many desirable options as well and comes in a fantastic factory correct color combination of grabber blue with silver stripes.

At the end of 1970, ford introduced a complete new design for the 1971 Mustang, the new design had an improved steering and handling package and a much longer more sleek design. Top predator model was again the Mach 1 fastback. With the Boss 429 cars ( 1969/1970 ) not being the expected success on the streets and tracks, ford had desided to drop the Boss 429 engine, something that was to be expected as that engine design gave much issues and it was for sure also not the most reliable engine Ford had ever designed. But with that engine gone there was need for a new performance engine that would have the same power as the boss 429, but not its problems. 

So in the late 70's Ford engineers decided to use the base 429 engine as a platform to develop there new "high performance" engine from it in CJ (Cobra Jet) and SJC (Super Cobra Jet) form. The  429 ( Code 385 block ) SJC was one of the best and fastest's engine designs Ford ever produced. After the famous FE 427 and 428 Series, this all new 429 design was the next step in there search for more performance and stronger engines. 

With 4 bolt main caps,  a special extra strong crankshaft with stronger connecting rod's, special forged alu pistons ( Cast piston in the CJ ) with 11.3.1 compression ratio, a solid lifter performance camshaft with adjustable rockers, special developed heads with canted larger valves and much better flow, and a special intake with a 780 cfm carb and a special high flow oil and water pump, the 429 SUPER Cobra Jet engine was born. It was available with normal air intake system and with the optional Ram air induction system with shaker hood. There was also a milder, de-tuned more normal Cobra Jet engine available. 

Ford rated these special SJC engines at a mere 375 HP ( ram-air ) and 450 ft.lbs of torque ( 610 NM). Exactly the same as the earlier BOSS 429 engine of 1969/70 which used the same short block but different alu heads. But as was usual in the early 70's these numbers were not actual but lowered because other wise these cars would be impossible to sell as the were almost not insurable anymore in the early 70's. Many car journalist and test estimated that the 429 SJC engine had more than 400+HP and 500 ft.lbs or more in torque in stock set-up ! and with Ram air it would have even been 5% more. And with the stock exhaust manifolds replaced for open headers this power band would even  be15-20% higher with ease. In fact they estimated and prove that this 429 SJC engine was faster and also much better and stronger than the previous Boss 429 engines, something that many 0-60 and 1/4 mile test revealed. 

With a huge price tag for these expensive and specially designed performance engine and the fact that the SJC was only available with the high cost option drag pack 3,90 or 4.11 rear end differentials. And with the up-coming fuel crises and the now extreme insurance costs for these performance cars, it was to be expected that sales of these power houses would not be great and sales numbers were not big. So midway 1971 these great engines were dropped and the Mach1 was only as of now available with the 351 cui as there biggest engine and later even the 351 was dropped and all that was left was the old 302 cui V8. 1971 was therefor the last year Ford produced these rare big-block fastback Mach 1's. 

This means that this car is one of the most rare and unique, and maybe even the fastest Ford mustang Fastback ever to come from Ford's production lines. It was only available for around 6 months and a total of only around 1865 429 units ( CJ and SJC ) produced its one of the rarest engine for ever produced, even rarer than the BOSS 429 with around 2300 total units and cars produced!. Actor Steve McQueen also at one point owned one of these rare and desirable cars. 

A stock 429 Mach 1 was among the 1971 Mustangs that Chuck Koch tested for a January

1971 Motor Trend review. It did 6.5 seconds 0-60 mph, 13.8 at 104 in the

quarter mile, topped out at nearly 114 mph and averaged just 9-10 mpg on

premium gas. The stock BOSS 429 ran 0-60 mph in 7,1 secs and the 1/4 mile was covered in 14.1 seconds and 118 mph trap speed. It was also noted, that although the new 71'design was heavier and a bit lager, that the new '71 model handled much better, had better brakes as its predecessor, and its design also had much better aerodynamics. 

The combination of the 429 SJC engine, its top loader manual 4 speed trans and its 4.11 rear end gears was just lethal and this car we offer you today is not only super rare but also one of the fastest muscle cars Ford produced in the 60's and early 70's. Its a true hidden gem and not many people now of its existence and its true potential in performance and pure beauty. Its also much more rare than any '69 or '70 Boss 429 which nowadays cost up to 6 times more than this car and makes this 429 SJC an incredible investment opportunity and give you great value for your money. Its a change to own a legendary Mustang for a very interesting price that leaves room for growth in value for its future new owner. 

The car we present to you here was restored with high quality in mind and its overall in amazing condition and the complete engine and drive line was rebuild and this car runs and drives just as well as it did back in 1971/ Its a true icon and a real deal Muscle car in its most pure and most exciting form. This car was one of the fastest's cars on the streets back in the early 70's !. 

The interior car is amazing and looks great, everything you see here has been restored and no costs were spared. From new carpets, headliner and door panels to new seat covers and more. Even the dash gauge cluster looks like it left the factory yesterday! and so does the rest. All the gauge and electrics work and so does the heater and wipers. Just a stunning car with an interior that brings you straight back to the 70's! The reason we think this car is still very original and its body, chassis and all its original components still in great shape is due to the fact that the car is an original survivor low mile car before the restoration was performed. So it must have been pampered and garage stored almost all of its live. Very rare indeed.

This is one of the nicest and rarest Mach1 Mustang Fastbacks we have ever seen. We just love the body lines of the fastbacks and with there size and being lightweight there also pretty fast and fun to drive as the handle like a dream. With this car also being equipped with front disc brakes it's not only fast but also stops safe and sound. 

If you ever wanted something really unique and ultra rare... and one of the fastest's muscle cars of its era, in a great color combination of Grabber blue and black bucket seat interior... with a manual 4 speed that gives great fun and performance, its 4.11 rear end drag pack ( more rare than the 3,91 package ), AND will win you awards and respect of your fellow car hobbyists, well than this might just be the car for you. For its price you cant even restore one.. and that is if!.. you could ever find a fully correct and original car that's this rare. 

With today's prices of 429 Boss Mustangs exceeding the 350.000,- marker with ease, this car that is in fact MUCH rarer than any Boss 429, and it being also faster on the 0-60 and 1/4 mile times, and it had one of the best Ford designed engines ever produced and it's a very attractive car indeed and a real asset for any car collection or petrol head. 

It's price today is still only a fraction of the price of a Boss 429 although we estimate that that could change rapidly as prices for them are increasing fast and the are much rarer to find  because the production numbers are way lower than the Boss car's. And more and more people now see that these cars are one of the last "well kept secrets" and that the 71' 429 SJC might well be worth even more than any other Mustang ever produced in the near future. This means that this car might well be one of the best investment's you can do and it leaves lots of room to grow in the near future. And with this car being in completely restored condition and in this ultra rare color, and with its 4.11 dragpack option package it might well also be one of the best for sale on the market today.

But besides all that.. and maybe even more important , its just a gorgeous performance car with a great appearance and stance and its great fun to drive and enjoy. It will for sure also be a winner on any cars how or concour's d'elegance you might attend with it. Don't let this one slip away, its rare, looks amazing, is fast and one of the last genuine factory big block Ford's produced. 

More about this great car as soon as we have it and its ready to show in our showroom.

More info on this great car, more pics, and a walk around video will follow soon, for more questions or information or to make a reservation on the car ahead of its arrival please contact our sales.

Some of the cars options:

  • Real J code 429 SJC engine.
  • Manual 4 speed trans !
  • Correct Y code 4.11 drag pack car!. 
  • Bucket seat the luxe interior.
  • Floor shifter.
  • Floor console.
  • Power steering!.
  • Power brakes.
  • Front disc brakes!.
  • AM/FM stereo with 8 track ( rare !).
  • Rear and front spoiler packages.
  • Rear window de-fogger ( very rare ).
  • Chrome 15 inch magnum wheels.
  • Color keyed racing mirrors and bumpers
  • Silver body stripe kit
  • And more.  

But if you like additional information ahead then please contact our sales! If there are details on the car you want to change or add some personal details, we can assist you with that no problem! 

-The car comes with US title and EU import taxes paid and included.

-All our cars are sold with complete service and inspection prior to delivery.  

-On request, we can transport the car door to door worldwide! 

- On request we can also sell the car with Dutch plates or assist with TUV (H) 

- For export prices please contact our sales department.  

- While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Prices and info in online ad’s or website might diver and are subjected to changes and or have mistakes in them. Please verify any information in question with PedalToTheMetal Holland/Europe. 

And keep in mind that, the car you're looking at here today, was also looked at by others yesterday. And we can only sell it once!

Price in euros
€: Coming soon/Expected

Price includes all cost

Contact us for more information

  • Guide: Matching numbers

    In the collector car hobby, most investment-minded buyers are acutely interested in a specific car’s history. One of the main aspects of that history is an original or, as most people state it, numbers-matching drivetrain. At pedaltothemetal muscecars we feature a plethora of original and numbers-matching classics including ‘Cudas, Road Runners, Chevelles, Camaros, Corvettes and Trans Ams. And, if a potential buyer knows how to properly identify and interpret certain manufacturing codes, they can further validate their car’s history, or on request we can provide it.

    Click here for more information

  • Car transportation

    PTTM muscle car performance can help you with the transportation of your car. We transport cars within the European community by our own means and WORLDWIDE with a selected group of partners. Either ENCLOSED or open, or when its exported to overseas countries by enclosed container transports.

    Click here for more information

  • Vehicle claims and descriptions

    Vehicle/product descriptions, representations and claims on or offline are based on what can be seen by the human eye, documentation, previous professional experience, opinion, factory claims, and, or, information passed on to us by previous owners or restorers. It's to the best of our knowledge that everything we advertise has all indications of being that claim. Please inquire as to what documentation we have on the vehicle you are purchasing or feel free to ask any additional questions you might have, But by no means you can accept our answers as facts as the are our interpretation and might not match yours. It is with integrity and honesty that we describe our cars, but they are in fact, up to 50 years old, may have had many previous owners, modifications or alterations that are unknown to the us, so it's not possible to verify everything about every car in detail. Thereby the stated conditions or details of a car can never ever be taken as a fact. As always we welcome personal inspections and or independent appraisers prior to a sale. Incase we speak of "Original" or "Matching numbers" it means that we asume that to be the case, but with old classic cars thats by no means a guarantee. So please feel free to verify that in person or with a third party.

    Pttm goes a step further than almost every other seller(s), as we also do a full inspection of our vehicles prior to having them for sale in our showroom and make repairs improvements if needed so. And when a vehicle/product is sold we give it a full service check before you receive it !

  • Terms of delivery

    Please click on the link below to read our company policies about the terms of delivery for this vehicle.

    Click here for our company policies

PTTM Speedshop

PTTM is an allround speedshop with more than 35 years of experience in classic cars and is specialized in American V8 cars. PTTM is a hobby based company that has evolved out of passion in muscle cars from back in the 70's.

Recent Posts


PTTM Speedshop

Schrijnwerkerstraat 10-12
8601 VD, Sneek
The Netherlands

E: info@pedaltothemetal.nl
P: 0031-(0)515-434409


© Copyright 2018 - PTTM Speedshop