1970 Ford Mustang Mach 1 428 Cobra Jet

Pony car powered by Ford 428 Cobra Jet V8.

Stock-presenting 1970 Ford Mustang Mach 1 SportsRoof identified as a Ram-Air 428 Super Cobra Jet

Body Mach 1 SportsRoof, body style 63C

Engine Q- or R-code 428 Cobra Jet, rated at 335 gross hp

Transmissions Ford four-speed or C6 automatic

Reported Mach 1 production 40,970 across all engines

Story

1970 Ford Mustang Mach 1 428 Cobra Jet

The 1970 Mach 1 remained Ford's SportsRoof performance package, identified by Mustang body serial code 05 and body style 63C. With the FE-series 428 Cobra Jet, Q identified the non-Ram-Air path and R identified Ram Air in the reviewed 1970 references. Ford rated both at 335 gross horsepower and 440 lb-ft of torque.

The 428 Cobra Jet could be paired with a Ford four-speed or C6 automatic. Rear axle ratio and limited-slip equipment depended on the order. A 3.91 or 4.30 axle can be part of a Drag Pack or Super Cobra Jet claim, but that claim also needs matching axle, engine, cooling, and factory-document evidence.

Reviewed sources report 40,970 Mach 1s across all engines for 1970. That figure is model-line context, not a 428 Cobra Jet total. This review did not find a trustworthy public source for Q- and R-code production split by transmission, axle, paint, or assembly plant.

Mach 1 stripes, hood treatment, Shaker scoop, spoilers, SportSlats, wheels, or Cobra Jet badges do not authenticate a car by themselves. Verification starts with the VIN and 63C body code, then reconciles factory documents, drivetrain identifiers and dates, axle tag, paint, interior code, and Cobra Jet or Super Cobra Jet hardware.

Specs

Car type: Pony car
Body: 2-door SportsRoof fastback
Engine: 428 cu in Cobra Jet FE-series V-8, 4-barrel
Horsepower: 335 hp @ 5,200 rpm (Q/R 428 CID 4-barrel table)
Torque: 440 lb-ft @ 3,400 rpm (Q/R 428 CID 4-barrel table)
Carburetion: 4-barrel

Equipment

Mach 1 SportsRoof body and appearance equipment
Matte/low-gloss hood treatment and stripe package
Optional functional Shaker scoop on 428 Cobra Jet references
Deluxe/Mach 1 interior with high-back bucket-seat trim codes
Competition/performance suspension themes documented for Mach 1 and big-block cars

Linked Parts

Price history

Values

Nominal dollars from original price sheets, auction archives, and approved value references.

Original Price

A verified original price is not yet available for this car.

Market Observations

Auction sale $60,500

Oct 12, 2025 · Bring a Trailer
Factory R-code Mach 1 SportsRoof 0F05R111117 with overbored Ram Air 428 Cobra Jet, C6 automatic, 3.00 rear axle, Elite Marti Report, repaint, added rear wing and window louvers, and 74,000 miles shown. · modified · unknown Bring a Trailer records the $60,500 completed sale. The overbore and appearance changes support the modified classification; the same chassis's 2023 BaT sale is excluded from the series.
1970 Ford Mustang Mach 1 R-code 0F05R111117, 2025
Auction sale $140,250

Mar 9, 2024 · Mecum Auctions
Factory R-code Mach 1 fastback 0T05R105760 with Ram Air 428 Super Cobra Jet, Drag Pack, close-ratio four-speed, 3.91 Traction-Lok, rotisserie restoration, sales invoice, Marti Report, and 96,855 miles shown. · restored · unknown Mecum records the $140,250 completed sale. The SCJ is included because it is a documented factory R-code 428 Cobra Jet path for this model; identity, drivetrain, restoration, mileage, and condition claims remain auction representations.
1970 Ford Mustang Mach 1 R-code 0T05R105760, 2024
Auction sale $89,500

Apr 25, 2023 · AutoHunter
Factory R-code Mach 1 SportsRoof 0R05R100045 with Ram Air 428 Cobra Jet, restored body, upgraded close-ratio four-speed replacing the factory C6 automatic, 3.50 Traction-Lok, Deluxe Marti Report, and 64,939 miles shown. · modified · unknown AutoHunter records the $89,500 winning bid. The transmission conversion supports the modified classification; identity, restoration, documentation, mileage, and condition claims remain auction representations.
1970 Ford Mustang Mach 1 R-code 0R05R100045, 2023
Auction sale $53,800

Apr 11, 2022 · Bring a Trailer
Factory R-code Mach 1 SportsRoof 0F05R117529 with Ram Air 428 Cobra Jet, C6 automatic, 3.50 conventional rear axle, Deluxe Marti Report, 8,000 miles shown TMU, and an Offenhauser aluminum intake manifold. · modified · unknown Bring a Trailer records the $53,800 completed sale. The aftermarket intake supports the modified classification; identity, drivetrain, documentation, mileage, and condition claims remain auction representations.
1970 Ford Mustang Mach 1 R-code 0F05R117529, 2022
Price guide value $64,000

Apr 13, 2020 · Sports Car Market · Latest guide point · update due
Sports Car Market valuation benchmark for a 1970 Ford Mustang Mach 1 R-code 428 Super Cobra Jet. · unknown · unknown The published SCM valuation is preserved as a dated configuration benchmark, not as a completed sale or an individual-chassis appraisal.
1970 Ford Mustang Mach 1 428 SCJ valuation, April 2020

Values move with paperwork, originality, options, condition, venue, and body style. High bids and guide values are labeled separately from completed sales.

Reference records

Options, Colors & Components

Source-backed details for trim, chassis, production, and authenticity.

Engine Details

1970 Mustang 428 Cobra Jet 4V non-Ram-Air engine code Q · 1970 Mustang 428 Cobra Jet 4V without Ram Air · engine assembly / assembly code
1970 Mustang 428 Cobra Jet 4V Ram Air engine code R · 1970 Mustang 428 Cobra Jet 4V Ram Air · engine assembly / assembly code
Advertised gross horsepower 335 hp @ 5,200 rpm · 1970 Mustang Q/R-code 428 CID 4-barrel Cobra Jet · engine assembly / specification
Advertised gross torque 440 lb-ft @ 3,400 rpm · 1970 Mustang Q/R-code 428 CID 4-barrel Cobra Jet · engine assembly / specification
Compression ratio 10.6:1 · 1970 Mustang Q/R-code 428 CID 4-barrel Cobra Jet · engine assembly / specification
Cobra Jet reinforced-web block marker C-scratch · 1968-1970 428 Cobra Jet production-car block identification context · block / stamp · Rear of engine block
Cobra Jet cast-iron cylinder head engineering number C8OE-6090-N · 1968-1970 428 Cobra Jet production-car cylinder head reference · cylinder head / engineering number · Cylinder-head casting/engineering number area
428 Cobra Jet cast-iron intake manifold engineering number C8OE-9425-C · 428 Cobra Jet intake manifold reference · intake manifold / engineering number · Behind the carburetor mounting area
428 Cobra Jet intake manifold date-code location Year-Month-Day date code at rear of intake manifold · 428 Cobra Jet intake manifold date validation · intake manifold / date code · Rear of intake manifold
1970 428 Cobra Jet Holley carburetor engineering number, manual transmission without A/C D0ZF-9510-AA · 1970 428 Cobra Jet, manual transmission, without air conditioning · carburetor / engineering number · Carburetor air horn or ID tag when present
1970 428 Cobra Jet Holley list number, manual transmission without A/C 4513-1 · 1970 428 Cobra Jet, manual transmission, without air conditioning · carburetor / carburetor list · Carburetor air horn or ID tag when present
1970 428 Cobra Jet Holley carburetor engineering number, automatic transmission without A/C D0ZF-9510-AB · 1970 428 Cobra Jet, automatic transmission, without air conditioning · carburetor / engineering number · Carburetor air horn or ID tag when present
1970 428 Cobra Jet Holley list number, automatic transmission without A/C 4514-1 · 1970 428 Cobra Jet, automatic transmission, without air conditioning · carburetor / carburetor list · Carburetor air horn or ID tag when present
1970 428 Cobra Jet Holley carburetor engineering number, manual transmission with A/C D0ZF-9510-AC · 1970 428 Cobra Jet, manual transmission, with air conditioning · carburetor / engineering number · Carburetor air horn or ID tag when present
1970 428 Cobra Jet Holley list number, manual transmission with A/C 4515-1 · 1970 428 Cobra Jet, manual transmission, with air conditioning · carburetor / carburetor list · Carburetor air horn or ID tag when present
1970 428 Cobra Jet Holley carburetor engineering number, automatic transmission with A/C D0ZF-9510-AD · 1970 428 Cobra Jet, automatic transmission, with air conditioning · carburetor / engineering number · Carburetor air horn or ID tag when present
1970 428 Cobra Jet Holley list number, automatic transmission with A/C 4516-1 · 1970 428 Cobra Jet, automatic transmission, with air conditioning · carburetor / carburetor list · Carburetor air horn or ID tag when present
1970 428 Cobra Jet distributor engineering number, manual transmission D0ZF-12127-C · 1970 428 Cobra Jet, manual transmission · distributor / engineering number · Distributor body
1970 428 Cobra Jet distributor engineering number, automatic transmission D0ZF-12127-G · 1970 428 Cobra Jet, automatic transmission · distributor / engineering number · Distributor body
428 Cobra Jet passenger-side exhaust manifold early reinforced version C8OZ-9430-C · Early 1969 model year through December 1969 Cobra Jet passenger-side exhaust manifold reference · exhaust manifold / part number · Passenger-side exhaust manifold
428 Cobra Jet passenger-side exhaust manifold later version C9OZ-9430-C · December 1969-and-later Cobra Jet passenger-side exhaust manifold reference · exhaust manifold / part number · Passenger-side exhaust manifold

Transmission

Factory transmission Ford Toploader four-speed manual
Factory transmission Ford C6 SelectShift three-speed automatic

Options

428 Cobra Jet reference for the 1970 Ford Mustang Mach 1 428 Cobra JetClassic Muscle · Reference illustration

63C Mach 1 body/style identification required · appearance · Ford vehicle-identification tables list Mustang serial code 05 and body style 63C as Mach 1 fastback; this is identity evidence, not merely badging.
Q 428 Cobra Jet 4V without Ram Air optional · performance · Engine-code tables list Q as 428 Cobra Jet 4V; target-specific VIN must be checked before applying this alias to an individual car.
R 428 Cobra Jet 4V Ram Air optional · performance · Engine-code tables and registry examples list R as 428 Cobra Jet Ram Air; this is a source alias and does not prove any candidate car.
Drag Pack / Super Cobra Jet 428 Super Cobra Jet / Drag Pack pathway optional · performance · Corroborative sources associate 3.91 or 4.30 performance axle ordering with Super Cobra Jet/Drag Pack hardware; require axle-code and engine-detail verification for any individual car.
Shaker Functional Shaker hood scoop optional · performance · Period performance sales text and Mach 1 references associate functional Shaker induction with 428 Cobra Jet applications.

Paint

A Raven Black factory · solid
C Dark Ivy Green factory · metallic
D Competition Yellow factory · solid
G Medium Lime factory · metallic
J Grabber Blue factory · solid
K Bright Gold factory · metallic
M Wimbledon White factory · solid
N Pastel Blue factory · solid
Q Medium Blue factory · metallic
S Medium Gold factory · metallic
T Candyapple Red factory · solid
U Grabber Orange factory · solid
Y Chestnut factory · metallic
Z Grabber Green factory · solid
1 Calypso Coral factory · solid
2 Light Ivy Yellow factory · solid
6 Bright Blue Metallic factory · metallic

Appearance

Matte/low-gloss black hood treatment with Mach 1 striping standard · hood
Functional Shaker scoop on 428 Cobra Jet applications optional · hood
Mach 1 side/hood livery standard · stripe
Rear deck spoiler optional · spoiler
Front chin spoiler dealer · spoiler
SportSlats rear-window louvers optional · other
Mach 1 exterior identification standard · badge
Sports wheel covers / Magnum-style wheel references optional · wheel

Interior

Hi-back bucket seats for Mach 1 63C body style standard · seat
3A Black Corinthian Vinyl / Black Clarion Knitted Vinyl, Mach 1 Interior factory · upholstery
3B Blue Corinthian Vinyl / Blue Clarion Knitted Vinyl, Mach 1 Interior factory · upholstery
3E Vermillion Corinthian Vinyl / Vermillion Clarion Knitted Vinyl, Mach 1 Interior factory · upholstery
3F Ginger Corinthian Vinyl / Ginger Clarion Knitted Vinyl, Mach 1 Interior factory · upholstery
3G Ivy Green Corinthian Vinyl / Ivy Green Clarion Knitted Vinyl, Mach 1 Interior factory · upholstery
3W White Corinthian Vinyl / White Clarion Knitted Vinyl, Mach 1 Interior factory · upholstery
Wood-grain interior appliques and passenger-side clock in deluxe/Mach 1 interior references standard · trim

Chassis

Mach 1 competition/performance suspension theme Suspension · standard
Staggered rear shocks on 428 CJ/SCJ four-speed references Suspension · optional
Power front disc brakes Brakes · optional
3.00 conventional rear axle Rear axle · 3.00 · factory
3.00 limited-slip rear axle Rear axle · 3.00 · limited-slip · factory
3.50 limited-slip rear axle Rear axle · 3.50 · limited-slip · factory
3.91 limited-slip rear axle Rear axle · 3.91 · limited-slip · optional
4.30 limited-slip rear axle Rear axle · 4.30 · limited-slip · optional

Production

Transmission Choices reference for the 1970 Ford Mustang Mach 1 428 Cobra JetClassic Muscle · Reference illustration

1970 Mustang Mach 1, all engines total · 40,970 · reported
1970 Mustang body serial code 05 / body style 63C Mach 1 fastback by body · documented

Authenticity

Ford 9-Inch Rear reference for the 1970 Ford Mustang Mach 1 428 Cobra JetClassic Muscle · Reference illustration

VIN engine code Q for 428 Cobra Jet 4V without Ram Air; R for 428 Cobra Jet 4V Ram Air in reviewed 1970 references · Fifth character of the VIN; compare with door data plate and hidden/body VIN stamp locations where legally and physically accessible · fraud detection
Mach 1 body identity 1970 Mustang serial/body code 05 and body style 63C for Mach 1 fastback · VIN body serial code and door data plate body field · trim correctness
Door data plate location and contents Driver-side door data plate carrying body, color, trim, date, DSO, axle, and transmission categories · Inside the driver-side door; also compare visible/hidden VIN stamp evidence where appropriate · fraud detection
428 CJ block identification C-scratch reinforced-web block marker typical of Cobra Jet blocks, with date code near oil-filter adapter checked against car build date · Rear of engine block and lower block date-code area near oil-filter adapter · numbers matching
Cobra Jet cylinder heads C8OE-6090-N cast-iron heads identified by the detailing reference for 1968-1970 Cobra Jet production cars · Cylinder-head engineering numbers and thermactor-port details · numbers matching
Engine VIN stamping Partial VIN stamping expected on high-performance/late-1960s-on engine blocks or heads per reference · Back of engine block or back of cylinder head, depending on engine and assembly · numbers matching
Drag Pack / Super Cobra Jet claim 3.91 or 4.30 performance axle evidence plus corresponding SCJ hardware, not merely 428 CJ branding · Door axle code, rear axle tag/build evidence, engine oil cooler plus visible and inside-the-engine SCJ component evidence · fraud detection
428 CJ intake manifold casting and date Cast-iron intake with C8OE-9425-C engineering number behind the carburetor mounting area; rear intake date code should precede the car build date. · Behind the carburetor mounting area for the engineering number; at the rear of the intake manifold for the Year-Month-Day date code. · date correctness
1970 428 CJ Holley carburetor application 1970 428 Cobra Jet applications in the detailing reference list D0ZF-9510-AA/List 4513-1 manual without A/C, D0ZF-9510-AB/List 4514-1 automatic without A/C, D0ZF-9510-AC/List 4515-1 manual with A/C, and D0ZF-9510-AD/List 4516-1 automatic with A/C. · Carburetor air horn in front of the choke plate for engineering/list/date stampings; aluminum ID tag on the passenger side of the choke assembly when present. · numbers matching
1970 428 CJ distributor application 1970 428 Cobra Jet distributor applications in the detailing reference list D0ZF-12127-C for manual transmission and D0ZF-12127-G for automatic transmission; distributor dates use a Year/Month/Day sequence. · Engineering number and date code stamped on the distributor body, visible from the back of the distributor when installed. · numbers matching
428 CJ exhaust manifold version date window C8OZ-9430-C passenger-side manifold with added reinforcement is listed from early 1969 model year to December 1969; C9OZ-9430-C passenger-side manifold is listed from December 1969 and eliminates the exhaust spacer. · Passenger-side Cobra Jet cast-iron exhaust manifold casting/engineering identification, reinforcement detail, spacer interface, and date context. · date correctness

Still Researching

engine The Q/R 428 Cobra Jet identity and output are documented. This pass reviewed referenced engine detail rows for Q/R engine codes, advertised output/compression, C-scratch block marker, C8OE-6090-N heads, C8OE-9425-C intake, 1970 Holley carburetor engineering/list applications, 1970 distributor applications, and passenger-side exhaust-manifold version windows; the complete CJ/SCJ component matrix and vehicle-specific date-code validation remain unresolved.
transmission Four-speed and C6 paths are documented, but complete tag, ratio, and date-window tables are not.
rear axle The axle-code and Drag Pack context is documented, but every CJ/SCJ ratio and transmission combination is not normalized.
brakes Optional power front disc context is documented, but a target-specific standard/optional table and complete dimensions are not.
suspension Mach 1 performance suspension and staggered-shock context are recorded, but every spring, shock, and stabilizer application is not.
option packages Mach 1, Ram Air, Shaker, and Drag Pack paths are recorded, but the complete compatibility and price matrix is not.
production The 40,970-car Mach 1 total is recorded, but exact Q/R-code 428 CJ splits were not found.
paint colors The 17-code model-year palette is recorded, but 428 CJ frequencies and individual-car combinations are not.
trim and appearance Major Mach 1 cues are recorded, but every stripe, wheel, tire, spoiler, louver, glass, and molding combination is not.
interior Six Mach 1 upholstery codes and major cabin cues are recorded, but the complete compatibility matrix is not.
authenticity markers Major VIN, body, engine, axle, and SCJ checks are recorded. This pass added stronger sourced component-number/date detail for 428 CJ intake manifold, 1970 carburetor, 1970 distributor, and exhaust-manifold version windows, but every component number and vehicle-specific date window is still not resolved.