SuperMotors SuperMotors SUPERMOTORS Search — try “orange Bronco on 35s”
Blue 1967 Ford Mustang coupe parked in driveway, aftermarket hood scoop and wheels visible
Home/Registry/Ford/Mustang/1964–1973supermotors.net/registry/ford/mustang/1964-1973

1964-1973 Ford MustangFirst Generation (Early Mustang)

1964–1973 60+ on the wall 94 documents ↓

The first-generation Ford Mustang ran from the 1965 model year through 1973 on a chassis derived from the Ford Falcon compact. Ford unveiled the car on April 17, 1964 at the New York World's Fair, and the early "1964½" cars were all stamped and titled as 1965 models. The line launched with a 170 cu in (2.8L) Thriftpower inline-six and a 260 cu in (4.3L) Windsor V8, then quickly standardized the 200 cu in (3.3L) six and the 289 cu in (4.7L) Windsor. A 1967 restyle widened the engine bay for the 390 cu in (6.4L) FE big-block, and 1968 brought the 302 cu in (5.0L) Windsor and the 428 Cobra Jet. The 1969 restyle introduced the Mach 1, the Trans-Am Boss 302, the NASCAR-homologation Boss 429, and the Grande luxury hardtop. Bodies grew through 1971-1973, the final first-generation years. Body styles were the hardtop coupe, the 2+2 fastback, and the convertible. All horsepower figures for this era are SAE gross.

Other Ford Mustang generations

At a glance

  • Years: 1964½-1973 (first generation; the April 17, 1964 debut cars were titled as 1965 models)
  • Platform: Ford Falcon compact unibody, rear-wheel drive
  • Body styles: hardtop coupe, fastback (2+2), convertible
  • Engines: 170, 200, then 250 cu in inline-six; 260, 289, 302 cu in Windsor V8; 351 Windsor then 351 Cleveland V8; 390 and 428 cu in FE big-block V8; 429 cu in V8 (1971)
  • Performance models: K-code HiPo 289, GT, Mach 1 (from 1969), Boss 302, Boss 429, Shelby GT350 and GT500
  • Rear axle: Ford 8-inch and 9-inch, by engine
  • Horsepower basis: SAE gross through 1971; SAE net for 1972-1973

Year-by-year specifications

YearEnginesDrivetrain & brakesNotable changes
1965170 cu in (2.8L) and 200 cu in (3.3L) Thriftpower I6; 260 cu in (4.3L) and 289 cu in (4.7L) Windsor V8; K-code HiPo 289 rated 271 hp gross3-speed and 4-speed manual or Cruise-O-Matic; Ford 8-inch or 9-inch rear axle; front drum brakes standard, front discs optionalThe 1965 Mustang absorbed the "1964½" launch cars titled as 1965s. GT Equipment Group introduced; 2+2 fastback added during the year.
1966200 cu in (3.3L) I6; 289 cu in (4.7L) Windsor V8 incl. the 271 hp gross K-code HiPo3-speed/4-speed manual or Cruise-O-Matic; 8-inch or 9-inch rear axle; front drums standard, front discs optionalThe 1966 Mustang carried minor trim revisions over 1965 with a restyled grille and side ornamentation; it was the highest-volume single year of the early Mustang.
1967200 cu in (3.3L) I6; 289 cu in (4.7L) Windsor V8; new 390 cu in (6.4L) FE big-block V83-speed/4-speed manual or Cruise-O-Matic; 8-inch or 9-inch rear axle; front disc brakes optionalThe 1967 Mustang received the first restyle with a wider body and engine bay, which opened room for the 390 FE big-block.
1968200 cu in (3.3L) I6; 289 (4.7L) and new 302 cu in (5.0L) Windsor V8; 390 (6.4L) FE; 428 Cobra Jet FE big-block from April 19683-speed/4-speed manual or C4/C6 automatic; 8-inch or 9-inch rear axle; front discs optionalThe 1968 Mustang added the 302 Windsor and, mid-year in April 1968, the 428 Cobra Jet, which became the headline drag-strip engine.
1969200 (3.3L) and 250 cu in I6; 302 (5.0L) Windsor; 351 cu in Windsor; 390 (6.4L) FE; 428 Cobra Jet; Boss 302 rated 290 hp gross; Boss 429 rated 375 hp gross3-speed/4-speed manual or C4/C6 automatic; 9-inch rear axle on performance models; front discs widely availableThe 1969 Mustang was fully restyled with quad headlamps and a longer body. New models: Mach 1, Grande luxury hardtop, Trans-Am Boss 302, and NASCAR-homologation Boss 429 semi-hemi.
1970200/250 I6; 302 (5.0L) Windsor; 351 cu in Windsor then 351 Cleveland; 428 Cobra Jet; Boss 302 (290 hp gross); Boss 429 (375 hp gross)3-speed/4-speed manual or C4/C6 automatic; 9-inch rear axle on big-blocks; front disc brakesThe 1970 Mustang returned to single headlamps within the grille opening and phased in the 351 Cleveland alongside the 351 Windsor; final year for the Boss 302 and Boss 429.
1971250 I6; 302 (5.0L) Windsor; 351 Cleveland incl. 351 Cobra Jet/HO; 429 Cobra Jet and 429 Super Cobra Jet (this year only)3-speed/4-speed manual or C6 automatic; 9-inch rear axle on big-blocks; front disc brakesThe 1971 Mustang grew to the largest first-generation body with a near-horizontal fastback roofline. The 429 Cobra Jet and Super Cobra Jet were offered for 1971 only.
1972250 I6; 302 (5.0L) Windsor; 351 Cleveland incl. 351 HO; figures now quoted as SAE net3-speed/4-speed manual or C6 automatic; 8-inch rear axle on 302 cars, 9-inch on 351s; front disc brakesThe 1972 Mustang dropped the big-blocks; the industry-wide switch to SAE net ratings and lower compression for unleaded fuel reduced quoted output across the range.
1973250 I6; 302 (5.0L) Windsor; 351 Cleveland; SAE net ratings3-speed/4-speed manual or C6 automatic; 8-inch rear axle on 302 cars, 9-inch on 351s; front disc brakesThe 1973 Mustang was the final first-generation car, with a revised front bumper meeting new federal 5 mph impact rules ahead of the 1974 Mustang II.

Platform and how the first-generation Mustang grew

The first-generation Ford Mustang shared its underpinnings with the Ford Falcon compact: the unibody, front suspension, and Thriftpower inline-six family. The 1965 Mustang launched with a 170 cu in (2.8L) six and a 260 cu in (4.3L) Windsor V8, and within months standardized on the 200 cu in (3.3L) six and the 289 cu in (4.7L) Windsor. The top early V8 was the K-code "HiPo" 289, rated 271 hp gross with a solid-lifter cam and free-flow exhaust. The 1967 Mustang was the first restyle, widening the body and engine bay to accept the 390 cu in (6.4L) FE big-block. The 1968 Mustang added the 302 cu in (5.0L) Windsor and, from April 1968, the 428 Cobra Jet FE big-block.

The 1969 restyle and the performance Mustangs

The 1969 Ford Mustang received a major restyle, gaining length and quad headlamps for 1969, with the inboard pair in the grille and the outboard pair in the fender extensions. For 1970 the Mustang returned to two headlamps set within the grille, the former outboard openings becoming simulated intakes. It introduced four models. The 1969 Mach 1 was the performance fastback offered with V8s up to the 428 Cobra Jet. The 1969 Boss 302 was built to homologate the 302 Windsor for SCCA Trans-Am racing and was rated 290 hp gross. The 1969 Boss 429 was built to homologate its semi-hemi 429 big-block for NASCAR, rated 375 hp gross. The 1969 Grande was a luxury hardtop with added sound insulation and upscale trim. The 351 Windsor V8 joined for 1969, and the 351 Cleveland followed for 1970.

The 1971-1973 big-body cars

The 1971 Ford Mustang grew to the largest body of the first generation, with a near-flat "SportsRoof" fastback roofline. The 1971 range offered the 351 Cleveland, including the 351 Cobra Jet and 351 HO, plus the 429 Cobra Jet and 429 Super Cobra Jet big-blocks, both offered for 1971 only. The 1972 Ford Mustang dropped the big-blocks, lowered compression for unleaded fuel, and quoted power as SAE net, which read lower than the gross figures used through 1971. The 1973 Ford Mustang was the final first-generation car and added a federal 5 mph front bumper before the Pinto-based Mustang II replaced it for 1974.

Shelby Mustangs (1965-1970)

Carroll Shelby's operation built high-performance Mustang variants from 1965 through 1970. The 1965-1966 Shelby GT350 used the 289 cu in (4.7L) Windsor V8 in a fastback prepared for road racing. The Shelby GT500 arrived for 1967 with FE big-block power. The 1968 Shelby GT500KR ("King of the Road") used the 428 Cobra Jet FE big-block. From 1968 the Shelby cars were built under Ford supervision, and production ended after the 1970 model year.

Known characteristics and weak points

The first-generation Ford Mustang used a unibody prone to rust in the floor pans, torque boxes, frame rails, and rear quarter panels. Early 1965-1966 cars came with front drum brakes as standard and front discs optional, so disc-brake cars are preferred for performance use. Big-block 1967-1971 cars carry more weight over the front axle than small-block cars, which changes handling balance.

Frequently asked questions

When did the first-generation Ford Mustang debut, and what is a "1964½"?

The first-generation Ford Mustang debuted on April 17, 1964 at the New York World's Fair. Cars built before the formal 1965 model-year start are nicknamed "1964½" by enthusiasts, but Ford VIN-stamped and titled all of them as 1965 models, so there is no official 1964 Mustang.

What platform is the first-generation Ford Mustang built on?

The first-generation Ford Mustang (1965-1973) is built on the Ford Falcon compact platform, sharing its unibody structure, front suspension design, and the Thriftpower inline-six engine family.

What was the K-code HiPo 289 in the early Mustang?

The K-code "HiPo" (High Performance) 289 was the top engine in the 1965-1966 Ford Mustang, a 289 cu in (4.7L) Windsor V8 rated 271 hp gross with a solid-lifter cam and free-flow exhaust. The same 289 also powered the 1965-1966 Shelby GT350.

What is the difference between the 1969 Boss 302 and Boss 429 Mustang?

The 1969 Ford Mustang Boss 302 was built to homologate the 302 Windsor V8 for SCCA Trans-Am road racing and was rated 290 hp gross. The 1969 Ford Mustang Boss 429 was built to homologate its semi-hemi 429 big-block for NASCAR and was rated 375 hp gross.

Why does a 1972 Mustang V8 look weaker than a 1971 one?

The 1972 Ford Mustang quoted SAE net horsepower rather than the SAE gross figures used through 1971, and compression was lowered for unleaded fuel. A 1972-1973 engine therefore reads lower on paper even when it is mechanically close to a 1971 unit.

Sources

  • Ford factory model-year sales brochures and shop manuals (1965-1973)
  • Ford VIN and data-plate decoding references for engine and axle codes
  • Marque-club registries and reference works on the early Mustang, Boss, Mach 1, and Shelby variants
  • Period road tests reporting SAE gross ratings (pre-1972) and SAE net ratings (1972 onward)

Asked all the time

When did the first-generation Ford Mustang debut, and what is a "1964½"?

The first-generation Ford Mustang debuted on April 17, 1964 at the New York World's Fair. Cars built before the formal 1965 model-year start are nicknamed "1964½" by enthusiasts, but Ford VIN-stamped and titled all of them as 1965 models, so there is no official 1964 Mustang.

What platform is the first-generation Ford Mustang built on?

The first-generation Ford Mustang (1965-1973) is built on the Ford Falcon compact platform, sharing its unibody structure, front suspension design, and the Thriftpower inline-six engine family.

What was the K-code HiPo 289 in the early Mustang?

The K-code "HiPo" (High Performance) 289 was the top engine in the 1965-1966 Ford Mustang, a 289 cu in (4.7L) Windsor V8 rated 271 hp gross with a solid-lifter cam and free-flow exhaust. The same 289 also powered the 1965-1966 Shelby GT350.

What is the difference between the 1969 Boss 302 and Boss 429 Mustang?

The 1969 Ford Mustang Boss 302 was built to homologate the 302 Windsor V8 for SCCA Trans-Am road racing and was rated 290 hp gross. The 1969 Ford Mustang Boss 429 was built to homologate its semi-hemi 429 big-block for NASCAR and was rated 375 hp gross.

Why does a 1972 Mustang V8 look weaker than a 1971 one?

The 1972 Ford Mustang quoted SAE net horsepower rather than the SAE gross figures used through 1971, and compression was lowered for unleaded fuel. A 1972-1973 engine therefore reads lower on paper even when it is mechanically close to a 1971 unit.

Technical Reference

Member-uploaded diagrams & documents for this generation. AI-classified; community-verified where badged.

Schematics (5)

Manual Pages (16)

Brochures & Literature (36)

Wiring Diagrams (9)

Exploded Parts (4)

Fuse & Relay Charts (1)

Vacuum Routing (2)

Blueprints (11)

Data/Spec Plates (8)

Service Procedures (2)

The wall · registered 1964–1973 Mustangs

Sorted by depth of documentation. Click any vehicle to open its permanent record.

Black Ford Mustang fastback drag car staged at the line on a drag strip1967 Mustang1967 Mustang · Posi6718 photos Dark 1965 Ford Mustang coupe parked on gravel in front of a building“Noble Steed”1965 Mustang · gearhead7118 photos Red Ford Mustang fastback, 3/4 front view, parked by water with hills behind.“Nic's car”1965 Mustang · Mike Kilkenny18 photos Two silver Holley 4-barrel carburetors stacked on a blue surface.1971 Mustang1971 Mustang · XEngr17 photos Engine block part with a tag reading '9D 29', '4.130" bore', '2 Bolt main', '3 rib'“9D29 Engine only”1969 Mustang · Rick Toombs17 photos Red 1968 Ford Mustang coupe with white racing stripes, seen from rear-three-quarter angle“Red”1968 Mustang · Hinckley17 photos 1972 Ford Mustang Mach 1 on a trailer, front 3/4 view. License plate reads 72MACH11972 Mustang1972 Mustang · mach146017 photos 1969 Ford Mustang race car body on jack stands, number 65 on door“Race Car”1969 Mustang · XEngr16 photos Black 1967 Ford Mustang fastback with red stripe and chrome wheels in a garage.“Black GT ”1967 Mustang · 68Wcode42716 photos Orange Ford Mustang Mach 1 fastback parked on ramps by a garage1969 Mustang1969 Mustang · 2skrudeup16 photos Rear of red fastback coupe with missing taillight lenses and bumper in a parking lot“Wild Stang”1967 Mustang · Jeff Walker16 photos White early-1970s Ford Mustang coupe in left profile on pavement, with chrome wheels and a fenced lot behind“The Mustang”1970 Mustang · Tim Sweet15 photos Blue classic Ford Mustang fastback parked by a river, front three-quarter view“Stang”1965 Mustang · Mike Kilkenny15 photos White 1965 Ford Mustang GT350 with blue racing stripes and side stripe, seen from a 3/4 front angle“Mighty Whitey”1965 Mustang · Snakoil14 photos Green 1969 Ford Mustang Mach 1 drag racing, front wheels lifted1969 Mustang1969 Mustang · jaybnve14 photos Blue 1967 Ford Mustang rear view with triple taillights“ 4 sale”1967 Mustang · countryboy_787914 photos 1967 Ford Mustang coupe, white exterior, aftermarket wheels1967 Mustang1967 Mustang · mikes67mustang14 photos Blue 1968 Ford Mustang front view with a Mustang emblem on the grille and a Mustang plate on the bumper“68”1968 Mustang · Brian Mraz14 photos Two rusty metal brake and clutch pedals, one labeled '70' and the other '69' with dimensions1970 Mustang1970 Mustang · XEngr13 photos Light blue 1967 Ford Mustang coupe parked on a street, viewed from the side1967 Mustang1967 Mustang · cupcake13 photos 1969 Ford Mustang with trunk and hood open, rear wheel removed1969 Mustang1969 Mustang · cobra460jet11 photos Dark red coupe doing a burnout with thick white tire smoke on asphalt1968 Mustang1968 Mustang · Danford111 photos Green 1967 Ford Mustang fastback, front three-quarter view on pavement by a river“Vato”1967 Mustang · Mike Kilkenny11 photos Yellow 1969 Ford Mustang with a hood scoop parked in a driveway1969 Mustang1969 Mustang · cbarrett110 photos Blue 1967 Ford Mustang coupe with hood scoop parked on grass“don't have one yet”1967 Mustang · kens2000Crownvic10 photos Black 1970 Ford Mustang rear quarter panel and wheel1970 Mustang1970 Mustang · theblueovalspeedshop10 photos 1967 Ford Mustang convertible, red, with man driving. Firehawk tires“Kev_Stang_Doug_Fair”1967 Mustang · fairlaniac10 photos Black Mustang fastback with gold stripes, front 3/4 view in parking lot“Blackie”1970 Mustang · Michael Alvarez10 photos Dark blue 1965 Ford Mustang convertible parked in a lot1965 Mustang1965 Mustang · pilatti19 photos Rusty yellow and red Mustang fastback project car parked in a backyard1971 Mustang1971 Mustang · trossol9 photos Black 1966 Ford Mustang parked on a snowy mountain road“Convertible”1966 Mustang · Dave Young9 photos 1967 Ford Mustang coupe, red and gold two-tone paint, parked in driveway1967 Mustang1967 Mustang · bud46609 photos 1972 Ford Mustang front view, hood open, blue exterior“the blue car (sold)”1972 Mustang · dannny haynnes9 photos Metal four-barrel carburetor with four circular openings“TransAm”1969 Mustang · XEngr8 photos Copper 1960s Ford Mustang convertible, top down, front 3/4 view on grass“Gertrude”1966 Mustang · John Derickson8 photos 1966 Ford Mustang rear view, dusty white paint, California license plate IFLS6641966 Mustang1966 Mustang · SlackBronco8 photos Orange 1965 Ford Mustang coupe with driver's door open, showing rust and peeling paint“Rustang”1965 Mustang · Randy Zrubek8 photos 1965 Ford Mustang and a blue modern Mustang parked in front of a barn1965 Mustang1965 Mustang · Jonathan Pilatti8 photos Red 1969 Ford Mustang coupe on a trailer, doors open, hood removed. Red pickup truck in background“Dave's Boss (not done)”1969 Mustang · dannny haynnes8 photos 1967 Ford Mustang coupe, blue with black vinyl top, parked on street1967 Mustang1967 Mustang · Michael McVaney8 photos 1970 Ford Mustang Boss 302 parked on grass with a dachshund puppy nearby“The Boss”1970 Mustang · Terry Taylor8 photos 1968 Ford Mustang in garage, doors open, front end disassembled, undergoing restoration1968 Mustang1968 Mustang · woodys958 photos Close-up of engine part with tool inserted into bore, oil visible.1965 Mustang1965 Mustang · Jayford7 photos White convertible Ford Mustang with blue racing stripes1968 Mustang1968 Mustang · lanceo7 photos Red 1965 Ford Mustang race car with number 2 on the door, parked next to a trailer and a red pickup truck“race car (rd atl)”1965 Mustang · 95CobraR7 photos Light green 1968 Mustang GT fastback, 3/4 front view with inset front, interior, and rear photos1968 Mustang1968 Mustang · Rumble7 photos Front view of a dark blue 1967 Ford Mustang with chrome grille and running horse emblem.1967 Mustang1967 Mustang · r79bronco6 photos Red 1970 Ford Mustang coupe with black hood and trunk stripes, parked on asphalt“Big Red”1970 Mustang · Ponycar6 photos Three classic Ford Mustangs parked in a driveway: a gray fastback, a white coupe, and a blue convertible“The Corral”1965 Mustang · 85Snake6 photos Blue 1965 Ford Mustang race car with white stripes and number 2 on side“Sebring”1965 Mustang · 95CobraR6 photos Dark blue 1960s Ford Mustang hardtop coupe on a driveway, front three-quarter view1967 Mustang1967 Mustang · Brian P6 photos Red 1970 Ford Mustang coupe with white roof parked on pavement“RedHead”1970 Mustang · Red70Stang6 photos Silver muscle car project with hood scoop and wide rear tires1969 Mustang1969 Mustang · sn8kebite6 photos Black 1969 Ford Mustang convertible parked in front of a house“Black Car”1969 Mustang · Snakoil5 photos Red 1966 Ford Mustang coupe with black hood stripes and custom wheels1966 Mustang1966 Mustang · johnnyknox5 photos Light green 1971 Ford Mustang parked on a driveway with trees and a house in the background1971 Mustang1971 Mustang · Forditude5 photos Teal 1970 Ford Mustang Boss 302 with black stripes parked outside1970 Mustang1970 Mustang · GGBAAS5 photos Red Mustang fastback with black side stripe parked at curb in front of a tile-roof house1969 Mustang1969 Mustang · trossol5 photos Yellow 1973 Ford Mustang Mach 1, 3q-front view1973 Mustang1973 Mustang · southrnpride695 photos 1971 Ford Mustang Mach 1 undergoing bodywork in a garage“Da Mach 1”1971 Mustang · Manu Singh5 photos