Foxbody Mustang Engine Specifications
Look below for all the information you need to know about the V8-equipped 1979-93 Foxbody Mustang. Full 5.0 engine and block specifications for all 5.0L V8 Foxbody Mustangs; from assembly materials to camshaft specifications, we have it all.
1979-1993 5.0L V8 Foxbody Mustang Power Ratings
| Year | Engine (cu/L) | Horsepower @ | Torque @ (ft-lb) | CR | Intake |
|---|---|---|---|---|---|
| 1979 | 302/5.0L | 140 @ 3600 | 250 @ 1800 | 8.4:1 | 2bbl carb |
| 1980 | 255/4.2L | 118 @ 3800 | 193 @ 2200 | 8.8:1 | 2bbl carb |
| 1981 | 255/4.2L | 115 @ 3400 | 195 @ 1600 | 8.2:1 | 2bbl carb |
| 1982 | 255/4.2L | 111 @ 3400 | 194 @ 1600 | 8.2:1 | 2bbl carb |
| 1982 | 302/5.0L | 157 @ 4200 | 240 @ 2400 | 8.3:1 | 2bbl carb |
| 1983 | 302/5.0L HO | 175 @ 4200 | 245 @ 2400 | 8.3:1 | 4bbl carb |
| 1984 | 302/5.0L HO | 175 @ 4200 | 245 @ 2400 | 8.3:1 | 4bbl carb |
| 1985 | 302/5.0L HO | 210 @ 4400 | 270 @ 3200 | 8.4:1 | 4bbl carb |
| 1986 | 302/5.0L HO | 200 @ 4000 | 285 @ 3000 | 9.2:1 | SEFI SD |
| 1987 | 302/5.0L HO | 225 @ 4200 | 300 @ 3200 | 9.0:1 | SEFI SD |
| 1988 | 302/5.0L HO | 222 @ 4200 | 300 @ 3200 | 9.0:1 | SEFI SD* |
| 1989 | 302/5.0L HO | 220 @ 4200 | 300 @ 3200 | 9.0:1 | SEFI MAF |
| 1990 | 302/5.0L HO | 220 @ 4200 | 300 @ 3200 | 9.0:1 | SEFI MAF |
| 1991 | 302/5.0L HO | 220 @ 4200 | 300 @ 3200 | 9.0:1 | SEFI MAF |
| 1992 | 302/5.0L HO | 220 @ 4200 | 300 @ 3200 | 9.0:1 | SEFI MAF |
| 1993 | 302/5.0L HO | 205 @ 4200 | 275 @ 3000 | 9.0:1 | SEFI MAF |
| 1993 Cobra | 302/5.0L GT40 | 235 @ 4600 | 280 @ 4000 | 9.0:1 | SEFI MAF |
*California '88 5.0's were MAF
**Output ratings from 1987-1993 had slight variations due to slight changes over the years. Ford did not change their rating for these year to year ratings. Above is actual output. 205hp is the most realistic and closest to actual output.
1987-1993 5.0L V8 Foxbody Mustang Engine and Component Weights
| Component | Weight (~lbs) |
|---|---|
| Engine Assembly | 540 |
| Engine Block | 126 |
| Cylinder Head | 43 |
| Intake Manifold | 37 |
| Crankshaft | 38 |
| Connecting Rod | 1.2 |
| Piston | 1.3 |
5.0L Engine Block Specifications
| Feature | Size |
|---|---|
| Displacement | 4942 cc, 4.94L; 301.6 cu in. |
| Cylinder Bore | 4.00 in; 101.6 mm |
| Main Bearing Bore | 2.2486 in; 57.1144 mm |
| Lifter Bore | .876 in; 22.35 mm |
| Distributor Shaft Bore | .4532 in; 11.51 mm |
| Bore Centres | 4.38 in; 111.24 mm |
| Deck Height | 8.206 in; 208.4 mm |
| Deck Length | 20.84 in; 529.34 mm |
1979-1993 5.0L V8 Foxbody Mustang Block Cast Numbers
| Year | Part number |
|---|---|
| 1979 | D8VE-6010-AA |
| 1982 | E0AE-6010-DD |
| 1983-84 | E2AE-6010-KA |
| 1985 | E5AE-6010-HA |
| 1986-1993 | E6SE-6010-DC |
1979-1993 5.0L V8 Foxbody Mustang Crankshaft Info
| Year | Part | Assembly | Main Bearing Journals | Rod Bearing Journals |
|---|---|---|---|---|
| 1979 | D9TE-6303-EA | Cast | 2.2486 in | 2.21232 in |
| 1982-85 | E1AE-6303-AA | Cast | 2.2486 in | 2.21232 in |
| 1986-93 | E2AE-6303-EA | Cast | 2.2486 in | 2.21232 in |
1979-1993 5.0L V8 Foxbody Mustang Pistons
| Year | Type | Part |
|---|---|---|
| 1979-84 | Sand cast aluminium | D9OE-6110-AA |
| 1985 | Forged aluminium | E4ZE-6110-SB |
| 1986 | Forged aluminium | E6ZE-6110-BA |
| 1987-92 | Forged aluminium | E7ZA-6110-CA |
| 1993 | Hypereutic aluminium (cast) | F3ZE-6110-AA |
1979-1993 5.0L V8 Foxbody Mustang Cylinder Head Specs
| Year | Volume | Intake | Exhaust | Part Number |
|---|---|---|---|---|
| 1979 | 67.5-70.5 cc | 1.782 in | 1.46 in | D9AE-6049-AA |
| 1980-81 | 53.6-56.5 cc | 1.680 in | 1.46 in | Unknown |
| 1982-84 | 67.5-70.5 cc | 1.782 in | 1.46 in | Unknown |
| 1985 | 67.5-70.5 cc | 1.782 in | 1.46 in | E5AE-6049-CA |
| 1986 | 62.9-65.9 cc | 1.782 in | 1.46 in | E6AE-6049-AA |
| 1987-93 | 60.6-63.6 cc | 1.782 in | 1.46 in | E7TE-6049-PA E5TE-6049-PA |
1985-1993 5.0L V8 Foxbody Mustang Camshaft Specs (Roller Rockers)
| Year | Lift (in) | Duration (°) | Event Phasing (°) | Overlap | Lobe Centre | Part Number |
|---|---|---|---|---|---|---|
| 1985-88 HO | Int: .278 | Int: 266 | IO: 16 | °: 35 | Int: 115 | E5ZE-6250-AA |
| | Int: .278 | Int: 276 | IO: 20 | °: 39 | Int: 116 | E8AE-6250-CA |
| | Int: .278 | Int: 276 | IO: 20 | °: 39 | Int: 116 | F1ZE-6250-AA |
| | Int: .282 | Int: 270 | IO: 19 | °: 33.5 | Int: 115 | F3ZE-6250-CA |
IO = intake opening BTDC, IC = intake closing ABDC, EO = exhaust opening BBDC, EC = exhaust closing ATDC
1986-1993 5.0L V8 Foxbody Mustang Intake Info
| Year | Description | Part Number | Matching Gasket |
|---|---|---|---|
| Upper | |||
| 1986 HO | SEFI, inline oval runners | F0VZ-9424-A | FEL-PRO Part #MS93334 |
| 1987-93 HO | SEFI, inline oval runners | F0ZZ-9424-A | FEL-PRO Part #MS93334 |
| 1993 Cobra | SEFI, staggered round runners | F3ZZ-9424-C | FEL-PRO Part #MS93334 |
| Lower | |||
| 1986-93 HO | SEFI, inline oval runners | E6SZ-9424-C | FEL-PRO Part #MS93334 |
| 1993 Cobra | SEFI, staggered round runners | F3ZZ-9424-C | FEL-PRO Part #MS93334 |
1986-1993 5.0L V8 Foxbody Mustang Throttle Body Info
| Year | Type | Throttle Body Diameter | Flow Sensor Diameter | Air Flow |
|---|---|---|---|---|
| 1986 | SD | 58 mm | NA | 541 cfm |
| 1987-88 | SD | 60 mm | 55 mm | 580 cfm |
| 1989-93 | MAF | 60 mm | 55 | 580 cfm |
| 1993 Cobra | MAF | 65 mm | 70 | 638 cfm |
75mm TB will suffice for pretty much any 5.0L engine. Bigger is not much use.
Foxbody Cylinder Head Bolt Torque Specs
| Year | Engine | Torque (ft-lbs) |
|---|---|---|
| 1979-1993 | 2.3L 4-Cylinder | First step 50-60 ft-lbs, then second step 80-90 ft-lbs |
| 1979-1992, 1993 non-flanged bolts | 5.0L V8 | First step 55-65 ft-lbs, then second step 65-72 ft-lbs |
| 1993 flanged bolts | 5.0L V8 | First step 25-35 ft-lbs, second step 45-55 ft-lbs, then third step 75-85 ft-lbs |
Foxbody Mustang Transmission Specifications
Throughout the production run of the Foxbody Mustangs (1979-1993), Ford implemented 4 different transmissions - 3 automatics and 1 manual. Use the links below to navigate the specifications on the SROD, AOD and C4/C5 automatic transmissions as well as the Borg-Warner (now Tremec) T5.
Foxbody Drivetrain and Transmission Diagrams
1979-1993 Foxbody Mustang Factory Drivetrain Specs
AOD Cutaway Diagram
C4/C5 Cutaway Diagram
T5 Cutaway Diagram
Foxbody AOD, C4/C5, SROD Automatic Transmissions
1979-1983 1/2 SROD Transmission Gear Ratios
1979-1982 C4/C5 Transmission Specs
AOD Automatic Transmission Gear Ratios
AOD Automatic Transmission Torque Converter & Stall Speeds
Foxbody T5 Transmission
T5 5 Speed Transmission Specs
Worldclass vs NWC T5 and T5 Limit
Clutch Specifications
Foxbody TKO-500 and TKO-600 Swap
Foxbody T56 Swap
1979-1993 Mustang Factory Drivetrain Specs
| Year | Engine | Transmission | Ring Gear Size | Standard Gear Ratio | Optional Gear Ratio |
|---|---|---|---|---|---|
| 1979 | 5.0 L | SROD 4spd C-4 3spd auto | 7.5 in 7.5 in | 3:08:1 2.47:1 | NA 3.08:1 |
| 1980 | 4.2 L | C-4 3spd auto | 7.5 in | 2.26:1 | NA |
| 1981 | 4.2 L | C-4 3spd auto | 7.5 in | 2.26:1 | 3.08:1 Trak-Lok |
| 1982 | 4.2 L | C-5 3spd auto | 7.5 in | 2.73:1 | 3.08:1 Trak-Lok |
| 1983 1983 1/2 | 5.0 L | SROD 4spd T5 5spd | 7.5 in | 3.08:1 Trak-Lock 3.27:1 Trak-Lok | NA |
| 1984 | 5.0 L | T5 5spd | 7.5 in | 3.08:1 Trak-Lok | 3.27:1 Trak-Lok |
| 1984-85 (CFI) 1985 4bbl | 5.0 L | AOD 4spd auto T5 5spd | 7.5 in | 3.27:1 Trak-Lok 2.73:1 Trak-Lok | NA 3.08:1 Trak-Lok |
| 1986 | 5.0 L | AOD 4speed auto | 8.8 in | 3.27:1 Trak-Lok | NA |
| 1986-93 | 5.0 L | T5 5spd | 8.8 in | 2.73:1 Trak-Lok | 3.08:1 Trak-Lok |
| 1987 | 5.0 L | AOD 4speed auto | 8.8 in | 2.73:1 Trak-Lok | 3.08:1 Trak-Lok |
| 1988-93 | 5.0 L | AOD 4speed auto | 8.8 in | 2.73:1 Trak-Lok | 3.27:1 Trak-Lok |
| 1993 Cobra | 5.0 L | T5 5spd | 8.8 in | 3.08:1 Trak-Lok | NA |
SROD 4 speed Transmission Specs (automatic)
| Year | 1st | 2nd | 3rd | 4th | Reverse | Input Shaft Length |
|---|---|---|---|---|---|---|
| 1979-83 1/2 | 3.07 | 1.72 | 1.00 | .70 | 3.07 | 7.8 in |
C4/C5 Automatic Transmission Gear Ratios
| Year | 1st | 2nd | 3rd | Reverse | Factory Lubricant |
|---|---|---|---|---|---|
| 1979-1982 | 2.46 | 1.46 | 1.00 | 2.18 | Dexron II, 11 qts |
C4/C5 Torque Converter
| Year | Ratio | Stall Speed (rpm) |
|---|---|---|
| 1979 | 2.05:1 | ~1500 |
| 1980 | 2.09:1 | ~1500 |
| 1981 | 2.09:1 2.28:1 (CA) | ~1500 |
AOD Automatic Transmission Gear Ratios
| Year | 1st | 2nd | 3rd | 4th | Reverse | Factory Lubricant |
|---|---|---|---|---|---|---|
| 1984-1993 | 2.40 | 1.47 | 1.00 | .667 | 2.00 | Mercon ATF, 12.3 qts |
AOD Automatic Transmission Torque Converter
| Year | Ratio | Stall Speed (rpm) |
|---|---|---|
| 1984 | 2.28:1 | 1600-2200 |
| 1985-88 | 2.53:1 | 1600-2200 |
| 1988-93 | 2.30:1 | 1600-2200 |
T5 5 Speed Transmission Specs
| Year | 1st | 2nd | 3rd | 4th | 5th | Reverse | Part Number | Torque Capacity* | Factory Lubricant (5.6 pints) |
|---|---|---|---|---|---|---|---|---|---|
| 1983 1/2 | 2.95 | 1.94 | 1.34 | 1.00 | .725 | 2.76 | E3ZR-7003-CA | 275-295 ft-lb | Dexron II Series D ATF |
| 1984 | 2.95 | 1.94 | 1.34 | 1.00 | .625 | 2.76 | E4ZR-7003-DA | 275-295 ft-lb | Dexron II Series D ATF |
| 1985 | 3.35 | 1.93 | 1.29 | 1.00 | .675 | 3.15 | E5ZR-7003-FA | 305-325 ft-lb | Dexron II Series D ATF |
| 1986 | 3.35 | 1.93 | 1.29 | 1.00 | .675 | 3.15 | E6ZR-7003-FA/FB | 305-325 ft-lb | Dexron II Series D ATF |
| 1987-89 | 3.35 | 1.93 | 1.29 | 1.00 | .675 | 3.15 | E6ZR-7003-FB | 305-325 ft-lb | Mercon ATF (1988 up) |
| 1989 | 3.35 | 1.99 | 1.33 | 1.00 | .675 | 3.15 | E9ZR-7003-AA | 305-325 ft-lb | Mercon ATF |
| 1990 | 3.35 | 1.99 | 1.33 | 1.00 | .675 | 3.15 | F0ZR-7003-AA | 305-325 ft-lb | Mercon ATF |
| 1991-93 | 3.35 | 1.99 | 1.33 | 1.00 | .675 | 3.15 | F2ZR-7003-AA | 305-325 ft-lb | Mercon ATF |
*Lower number was factory rated torque number. Factory measurements were done at continuous load, not instantaneous. The higher torque rating is what real world application and 3rd parties have discovered the T5 to withstand.
Foxbody T5 Stock Clutch Specifications
| Year | Clutch Diameter | Hub | Material | Clutch Part # | Pressure Plate Part # | Load Capacity |
|---|---|---|---|---|---|---|
| 1979-1983 | 10 in | 10-spline, 1 1/16 in | Asbestos | D9ZC-7550-CA | D9ZC-7653-DA | 1455 lbs |
| 1984 | 10 in | 10-spline, 1 1/16 in | Asbestos | E4ZR-7550-AA | E4ZR-7653-AA | 1540 lbs |
| 1985 | 10.5 in | 10-spline, 1 1/16 in | Organic | E5ZR-7550-AA | E4ZR-7653-AA | 1540 lbs |
| 1986-87 | 10.5 in | 10-spline, 1 1/16 in | Organic | E6ZR-7550-AA | E6ZR-7653-AA | 1644 lbs |
| 1988-93 | 10.5 in | 10-spline, 1 1/16 in | Organic | F0ZZ-7550-AA | F0ZZ-7563-A | 1877 lbs ('88) 1770 lbs ('89) 2012 lbs ('90-93) |
| 1993 Cobra | 10.5 in | 10-spline, 1 1/16 in | Organic | F3ZZ-7550-A | F3ZZ-7563-A | 2124 lbs |
New 1979-1993 Mustang Parts
Foxbody Mustang Brake Specifications
Even rolling out of the factory, the stock brake setup employed by Ford on the Foxbody Mustang was less than adequate to effectively control the power and speed capable of the accompanying stock 302 cu (5.0L) V8 engine. Comprised of cast-iron, centrally vented rotors up front clamped by single piston calipers, and a basic drum setup in the back, these brakes really weren't up to par to handle even a stock 225HP Foxbody. Listed below are the full sizing and material specifications of the brake systems installed over the Foxbody era.
1979-1993 V8 Mustang Factory Brake Specifications
| 1979 | 1980-81 | 1982-86 | 1987-93 | 1993 Cobra | |
|---|---|---|---|---|---|
| Front Rotors | |||||
| Front | Disc, cast-iron vented | Disc, cast-iron vented | Disc, cast-iron vented | Disc, cast-iron vented | Disc, cast-iron vented |
| Rotor Diameter | 10.06 in | 9.31 in | 10.06 in | 10.84 in | 10.84 in |
| Rotor Thickness | 0.870 in | 0.870 in | 0.870 in | 1.03 in | 1.03 in |
| Rotor Area | 275.6 sq.in | 249.8 sq.in | 275.6 sq.in | 316 sq.in | 379.3 sq.in |
| Pad Composition | Asbestos | Semimetallic | Semimetallic | Semimetallic | Semimetallic |
| Rear | |||||
| Type | Drum, solid unvented | Drum, solid unvented | Drum, solid unvented | Drum, solid unvented | Disc, vented |
| Diameter | 9.0 in | 9.0 in | 9.0 in | 9.0 in | 10.07 in |
| Width | 1.73 in | 1.73 in | 1.73 in | 1.73 in | 0.945 in |
| Shoe/Pad Composition | Asbestos | Asbestos | Asbestos | Organic | Organic |
| Hydraulics | 1979-83 | 1984-86 | 1987-93 (2.3L) | 1987-93 (5.0L) | 1993 Cobra |
| Master Cylinder Bore Diameter | 22.2 mm | 21.0 mm | 21.0 mm | 21.0 mm | 25.5 mm |
| Caliper Bore Diameter | 60.0 mm | 60.0 mm SVO: 72.9 mm | 60.0 mm | 60.0 mm | 72.9 mm front, 45.44 mm rear |
Most Popular Foxbody Upgrades Shop All Foxbody Restoration
Foxbody Mustang Ignition & Fuel System
The factory DuraSpark I and DuraSpark II ignition systems used on the late model Foxbody Mustang was actually an excellent ignition system for the time. Read below for all the information you need regarding the ignition and fuel system on Foxbody Mustangs. HO firing order, ignition timing, spark plug gap, fuel pump and injector specifications, it's all below.
Ford 5.0 V8 Cylinder Location
Ford V8 Firing Order
Foxbody Mustang Spark Plugs
Foxbody Mustang Fuel Pumps
Ford Fuel Injector specifications
1979-1985 Foxbody Mustang Ignition Timing
1986-1993 Foxbody Mustang Ignition Timing
1979-1993 Ford V8 Cylinder Banks (facing engine head on)
Left Bank | Right Bank
4 | 8
3 | 7
2 | 6
1 | 5
1979-1993 Ford V8 Firing Order
1979-93 truck V8's (non-HO) and 4.2 L V8: 1-5-4-2-6-3-7-8
1982-93 5.0 L HO V8: 1-3-7-2-6-5-4-8
1979-1993 V8 Foxbody Mustang Spark Plugs
| Year | Engine | Part Number | Gap |
|---|---|---|---|
| 1979 | 5.0 L 5.0 L (California) | ASF-52 ASF-52-6 | 0.050 in 0.060 in |
| 1980 | 4.2 L | ASF-42 | 0.050 in |
| 1981 | 4.2 L | ASF-42 | 0.050 in |
| 1982 | 4.2 L | ASF-52 | 0.050 in |
| 1983-85 | 5.0 L 4bbl 5.0 L CFI | ASF-42 ASF-52 | 0.044 in 0.050 in |
| 1986 | 5.0 L HO | AWSF-52/44 | 0.050 in |
| 1987-93 | 5.0 L HO | ASF-42 | 0.054 in |
| 1993 | GT40 Cobra | AWSF-42C | 0.050 in |
1979-1993 V8 Foxbody Mustang Fuel Pumps (factory)
- Carburated Mustang (mechanical fuel pump): 1979:6.5 psi, 1982:8.5 psi
- CFI Mustang: twin electric: 60 lph @ 39 psi
- SEFI Mustang: 88 lph @ 39 psi
Ford Factory Fuel Injector Specifications
| Flow | Color | Factory Application | Injector Power Capacity |
|---|---|---|---|
| 14 lb/hr | Grey | Non Mustang 5.0 L V8's (trucks, not HO) | Don't bother. Change them |
| 19 lb/hr | Yellow | 5.0 L HO V8 Mustang | 330 HP |
| 24 lb/hr | Light blue | Cobra GT40 (93-95) | 400 HP |
| 30 lb/hr | Red | 2.3 L turbo (early models) | 500 HP |
| 35 lb/hr | Brown or dark blue | 2.3 L turbo SVO Mustang | 600 HP |
1979-1985 Foxbody Mustang V8 Ignition Timing
| Year | Initial Timing (deg BTC) | Centrifugal Advance (deg @ rpm) | Vaccuum Advance (deg @ in. Hg) |
|---|---|---|---|
| 1979-81 | 12 | 0.0 @ 1250rpm 8.0 @ 2150rpm 14.5 @ 5000rpm | 0.00 @ 3.5 14.0 @ 8.0 24.0 @ 13 |
| 1982 | 12 | 0.0 @ 1200rpm 10.0 @ 2000rpm 19.0 @ 5000rpm | 0.00 @ 3.5 14.0 @ 8.0 24.0 @ 13 |
| 1983 | 10 | 0.0 @ 1400rpm 9.0 @ 2000rpm 18.0 @ 5000rpm | 0.00 @ 4.5 11.0 @ 8.0 20.0 @ 12.5 |
| 1984 | 10 | 0.0 @ 1400rpm 11.0 @ 2200rpm 20.0 @ 5000rpm | 0.00 @ 4.5 10.5 @ 8.0 20.0 @ 12.5 |
| 1985 | 12 | 0.0 @ 1300rpm 11.0 @ 2200rpm 20.0 @ 5000rpm | 0.00 @ 4.5 11.5 @ 8.0 20.0 @ 12.5 |
1986-1993 Foxbody Mustang V8 Ignition Timing
Simply add the amount of your initial timing to any point along the curve and you'll have the total timing for that point. For example if your running an A9L computer and 15 degrees initial timing and you want to know how much total timing you have at 2600 rpm. You would simply add the 15 initial to the 22.5 shown on the chart for a total of 37.5 degrees.
| ECU | 1000 rpm | 1800 rpm | 2600 rpm | 3500 rpm | 5000 rpm |
|---|---|---|---|---|---|
| A9L | 8 ° | 18.5 ° | 22.5 ° | 22 ° | 26 ° |
| A9P | 21.25 ° | 21.25 ° | 27.25 ° | 26 ° | 30.75 ° |
| X3Z (Cobra) | 8 ° | 18.5 ° | 22.5 ° | 22 ° | 25 ° |
Foxbody VIN Decoder
The VIN on any vehicle is a very useful line of characters and numbers. It tells us the year, assembly plant, body type and engine option that the car was factory fitted with. Below is how to decode these magical strings.
1979-1980 Mustang VIN:
ex: 9F04F100001 - 11 characters
| Character | Significance | Crack the code |
|---|---|---|
| 1st | Year | 9 = 1979, 0 = 1980 |
| 2nd | Assembly plant | F = Dearborn, R = San Jose |
| 3rd & 4th | Body model | 02/04 = 2dr notchback, 03/05 = 3dr hatchback |
| 5th | Engine | F = 5.0L 2bbl, D = 4.2L 2bbl |
| 6th to 11th | Production number | x Mustang produced for year |
1981-1993 Mustang VIN:
ex: 1FABP27M7EF100001 - 17 characters
| Character | Significance | Crack the code |
|---|---|---|
| 1st to 3rd | World manufacturer | 1FA = FMC, passenger car |
| 4th | Restraint system | B = Active manual seat belt, C = Active seat belts airbag |
| 5th | Passenger car | P = Passenger car |
| 6th & 7th | Body model* | 10 & 26 (L,GL,GLX), 12 (Ghia), 40 (LX, LX 5.0) = 2dr notchback 16 & 28 (GL,GT,GLX,L,LX), 41 (LX,LX 5.0), 42 (LX 5.0, GT) = 3dr hatchback 27 (GLX,GT,LX), 44 (LX), 45 (GT) = convertible |
| 8th | Engine | D = 4.2 2bbl, F = 5.0L HO 2bbl/4bbl, M = 5.0L HO 4bbl/CFI/SEFI(1987), E = 5.0L HO SEFI, D = GT40 |
| 9th | Check digit | 0-9 |
| 10th | Year | B = 1981,C = 1982,D = 1983,E = 1984,F = 1985,G = 1986,H = 1987 J = 1988,K = 1989,L = 1990,M = 1991,N = 1992,P = 1993 |
| 11th | Assembly plant | F = Dearborn, R = San Jose |
| 12th to 17th | Production number | x Mustang produced |
* Body style codes depend on what body style was available for corresponding year.
ex: 27 = convertible, but GLX was not used for later years, thus if you have an 88, body code = 27, it can't be GLX.
Foxbody Mustang Technical Service Bulletins
Listed below are some full-text Ford technical service bulletins issued for the Mustang from 1987-1993. This is
notby any means a complete list.
1987-1993 Foxbody Mustang TSB's
| Article No. | Title | Description | Download |
|---|---|---|---|
| 95-2-2 | Air Conditioning | O-ring removal from spring lock coupler. | 95-2-2 |
| 96-15-6 | Air Conditioning | Filtering system, flushing, tracer dye, leak test etc. | 96-15-6 |
| 96-17-10 | Air Conditioning | USe of R-12 refigerant and substitutes. | 96-17-10 |
| 95-14-4 | Ball Joints | Ball joint replacement procedure. | 95-14-4 |
| 90-22-6 | Brake Squeal | Occasional or intermittent squeal from brakes. | 90-22-6 |
| 94-25-2 | Brakes | Brake rotor machining specifications, information and availability. | 94-25-2 |
| 95-6-2 | Brakes | Rougness during application | 95-6-2 |
| 93-24-1 | Bumper Cover Repair/Materials | Bumper cover materials and repair procedure. | 93-24-1 |
| 94-8-1 | Bumpers | Bumper isolater and bracket assembly, replacement procedure | 94-8-1 |
| 93-24-10 | Dashboard Lights | Dimly lit or malfunctioning dash and warning lights. | 93-24-10 |
| 92-18-6 | Engine | Engine: 5.0L Premature wear on thrust bearing or crankshaft. Metal-to-metal sound, AOD AOD interference with torque converter & flywheel bolts | 92-18-6 |
| 96-10-7 | Fuel | California fuel requirements. | 96-10-7 |
| 94-8-9 | Fuel System | Motorcraft fuel injector cleaner - repair parts and service tips. | 94-8-9 |
| 93-26-1 | Glass, Rear Defroster | Inoperative rear glass defroster | 93-26-1 |
| 90-18-3 | No charge - Battery Discharged - Fuel Pump Noise | 90-18-3 | |
| 90-1-9 | Oil Consumption (5.0L EFI) | Details potential causes for excessive oil consumption. | 90-1-9 |
| 94-24-4 | Paint | Paint and sheet metal preparation. | 94-24-4 |
| 96-1-1 | Steering | Power rack and pinion, revised info for tie rod installation. | 96-1-1 |
| 96-22-1 | Windshield, Interior Glass | Health concerns over fogging of windshield and interior glass. | 96-22-1 |
| 96-24-6 | Wiring | Electric diode identification and replacement. | 96-24-6 |
Foxbody Mustang EEC-IV Error Codes
If there is an issue with your Foxbody Mustang (engine related), a good place to start is to check if the EEC-IV computer has registered any error codes. There are two ways to do so:
- Code scanner: You can buy a code scanner from almost any auto parts store, just verify that it can indeed read the error codes from Foxbody Mustangs. Plugin the code scanner to VIP/DLC connector harness in the engine bay (right-hand, driver side for 86-93) and read out any error codes, if there are any.
- Test light: For the procedure on how to pull the error codes from a Foxbody Mustang EEc-IV equipped car, please refer to: DIY KOEO/KOER/Cylinder Balance Self-Test Procedure
Listed below are the possible error codes thrown by the Mustang EEC-IV computer. Accompanied with each code is the potential reason why an error has occurred. Legend: O = Ignition On (accessory), R = Engine Running, C = Continuous Memory
| Code | Test Condition | Cause |
|---|---|---|
| 11 | O,R,C | System OK, testing complete |
| 12 | R | Idle speed control out of specified range |
| 13 | O,R,C | Normal idle not within specified range |
| 14 | O,C | Ignition profile pickup erratic |
| 15 | O | ROM test failure |
| 15 | C | Power interrupt to computer memory |
| 16 | R | Erratic idle, oxygen sensor out of range or throttle not closing |
| 17 | R | Curb idle out of specified range |
| 18 | R | SPOUT circuit open |
| 19 | O | No power to processor |
| 19 | R | Erratic idle speed or signal |
| 21 | O,R | Coolant temperature out of specified range |
| 21 | O,R,C | Coolant temperature sensor out of specified range |
| 22 | O,R,C | MAP sensor out of specified range |
| 23 | O,R,C | Throttle position signal out of specified range |
| 24 | O,R | Air charge temperature low |
| 25 | O,R | Mass Air Flow sensor or circuit |
| 27 | C | Vehicle Speed Sensor or circuit |
| 28 | 0,R | Vane air temperature sensor or circuit |
| 29 | C | No continuity In Vehicle Speed Sensor circuit |
| 31 | O,R,C | Canister or EGR valve control system |
| 32 | O,R,C | Canister or EGR valve control system |
| 33 | R,C | Canister or EGR valve not operating properly |
| 34 | O,R,C | EVP voltage above closed unit |
| 35 | O,R,C | EGR pressure feedback, regulator circuit |
| 38 | C | Idle control circuit |
| 39 | C | Automatic overdrive circuit |
| 41 | C | Oxygen sensor signal |
| 41 | R | Lean fuel mixture |
| 42 | R,C | Fuel mixture rich |
| 43 | C | Lean fuel mixture at wide open throttle - |
| 43 | R | Engine too warm for test |
| 44 | R | Air management system inoperative |
| 45 | R | Thermactor air diverler circuit |
| 46 | R | Thermactor air bypass circuit |
| 47 | R | Low flow of unmetered air at idle |
| 48 | R | High flow of unmetered air at idle |
| 49 | C | SPOUT signal defaulted to 1 0-degrees |
| 51 | O,C | Coolant temperature sensor out of specified range |
| 52 | O,R | Power steering pressure switch out of specified range |
| 53 | O,C | Throttle Position Sensor input out of specified range |
| 54 | O,C | Vane air flow sensor or air charge temperature sensor |
| 55 | R | Charging system under specified voltage (1984 through 1988) |
| 55 | R | Open ignition key power circuit (1984 through 1988) |
| 56 | O,R,C | Mass Air Flow sensor or circuit |
| 57 | C | Transmission neutral pressure switch circuit |
| 58 | O | CFI - idle control circuit; EFI - vane air flow circuit |
| 58 | R | Idle speed control motor or circuit |
| 58 | C | Vane air temperature sensor or circuit |
| 59 | O,C | Transmission throttle pressure switch circuit |
| 61 | O,C | Coolant temperature switch out of specified range |
| 62 | 0 | Transmission circuit fault |
| 63 | O,C | Throttle Position Sensor or circuit |
| 64 | O,C | Air Charge Temperature (ACT) sensor |
| 65 | C | Fuel control system not switching to closed loop |
| 66 | O,C | No Mass Air Flow sensor signal |
| 67 | O,R,C | Neutral drive switch or circuit |
| 67 | C | Air conditioner clutch switch circuit |
| 69 | O,C | Vehicle Speed Sensor or circuit |
| 72 | C | System power circuit, electrical interference |
| 72 | R | No Manifold Absolute Pressure or Mass Air Flow sensor signal fluctuation |
| 73 | O,R | Throttle Position Sensor or circuit 21 |
| 74 | R | Brake on/off ground circuit fault 21 |
| 75 | R | Brake on/off power circuit fault 22 |
| 76 | R | No vane airflow change |
| 77 | R | Throttle "goose" test not performed |
| 78 | C | Power circuit 1 |
| 79 | O | Air conditioner clutch circuit |
| 81 | O | Thermactor air circuit |
| 82 | O | Thermactor air circuit, integrated controller circuit |
| 83 | O | EGR control circuit (four-cylinder models oeM |
| 83 | O | Cooling fan circuit (V6 models only) |
| 83 | O,C | Low speed fuel pump relay (1984 through 1988 models) |
| 83 | O,C | EGR solenoid or circuit (1989 and later models) |
| 84 | O,R | EGR control circuit |
| 85 | O,R | Canister purge circuit or transmission shift control circuit |
| 85 | C | Excessive fuel pressure or flow |
| 85 | C | Canister purge circuit |
| 86 | C | Low fuel pressure or flow |
| 87 | O,R,C | Fuel pump circuit D2 |
| 88 | O | Integrated controller |
| 89 | O | Lock-up solenoid |
| 91 | R,C | Oxygen sensor problem, fuel pressure out of specified range or injectors out of balance |
| 92 | R | Fuel mixture rich, fuel pressure high |
| 93 | O | Throttle Position Sensor or circuit D |
| 94 | R | Secondary air system inoperative |
| 95 | O,C | Fuel pump circuit problem |
| 95 | R | Thermactor air diverter circuit |
| 96 | O,C | Fuel pump circuit |
| 96 | R | Thermactor air bypass circuit |
| 98 | R | Repeat test sequence |
| 99 | R | Repeat test sequence |
| 99 | R | System has not learned to control idle speed |
| 111 | O,R,C | System Pass |
| 112 | O,R,C | Air Charge Temp (Ad) Sensor circuit below minimum voLtagE/ 254 F |
| 113 | O,C | Air Charge Temp (ACT) Sensor circuit above maximum voltagE/ -40 F |
| 114 | O,R | Air Charge Temp (ACT) out of self test range |
| 116 | O,R | Coolant Temp (ECT) out of self test range |
| 117 | O,R | Coolant Temp (EdT) Sensor circuit below minimum voltage/ 254 F |
| 118 | O,C | Coolant Temp (EdT) Sensor circuit above maximum voitage/ -40 F |
| 121 | O,C | Closed Throttle Voitage higher or lower than expected |
| 122 | O,R,C | Throttle Position (TP) Sensor circuit below minimum voltage |
| 123 | O,C | Throttle Position (TP) Sensor circuit above maximum voltage |
| 124 | O,C | Throttle Position (TP) Sensor voltage higher than expected |
| 125 | C | Throttle Position fTP) Sensor voltage lower than expected |
| 126 | C | BP Sensor higher or lower than expected |
| 129 | O,R,C | Insufficient Mass Air Flow (MAE) change during Dynamic Response Test |
| 144 | C | No Oxygen Sensor (HEGO) Switches detected |
| 157 | C | Mass Air Flow (MAE) Sensor circuit below minimum voltage |
| 158 | O,C | Mass Air Flow (MAE) Sensor circuit above maximum voltage |
| 159 | O,R | Mass Air Flow (MAE) Sensor out of self test range |
| 167 | R | Insufficient Throttle Position change during Dynamic Response Test |
| 171 | C | Fuel system at adaptive limits, Oxygen Sensor (HEGO) unable to switch |
| 172 | R,C | Lack of Oxygen Sensor (HEGO) Switches, indicates lean |
| 173 | R,C | Lack of Oxygen Sensor (HEGO) Switches, indicates rich |
| 179 | C | Fuel system at lean adaptive limit at part throttle, system rich |
| 181 | C | Fuel system at rich adaptive limit at part throttle, system lean |
| 182 | C | Fuel system at lean adaptive limit at idle, system rich |
| 183 | C | Fuel system at flch adaptive limit at idle, system lean |
| 184 | C | Mass Air Flow (MAE) higher than expectec |
| 185 | C | Mass Air Flow (MAE) lower than expected |
| 186 | C | Injector pulse width higher than expected |
| 187 | C | Injector pulse width lower than expected |
| 211 | C | Profile Ignition Pickup (PIP) circuit fault |
| 212 | C | Ignition module circuit failure - SPOUT circuit grounded |
| 213 | R | SPOUT circuit |
| 214 | C | Cylinder Identification (CID) circuit failure |
| 215 | C | EEC Processor detected Coil 1 primary circuit failure |
| 216 | C | EEC Processor detected Coil 2 primary circuit failure |
| 218 | C | Loss of ignition Diagnostic Monitor (1DM) signal-left side |
| 222 | C | Loss of Ignition Diagnostic Monitor (1DM) signal-right side |
| 223 | C | Loss of Dual Plug Inhibit (DPI) control |
| 224 | C | Erratic Ignition Diagnostic Monitor (1DM) input to processor |
| 225 | R | Knock riot sensed during Dynamic Response Test |
| 327 | O,R,C | EVP circuit below minimum voltage |
| 328 | O,R,C | EGR "closed valve" voltage lower than expected |
| 332 | R,C | Insufflcjent EGR flow detected |
| 334 | O,R,C | EGR closed valve voltage higher than expected |
| 337 | O,R,C | EVP circuit above maximum voltage |
| 341 | O | Octane Adjust Service Pin in use |
| 411 | R | Cannot control RPM during KOER low rpm check |
| 412 | R | Cannot control rpm during KOER high rpm check |
| 452 | C | Isufflcient input from Vehicle Speed Sensor (VSS) |
| 511 | O | EEC Processor Read Only Memory (ROM) test failure |
| 512 | C | EEC Processor Keep 4Jive Memory (KAM) test failure |
| 519 | O | Power Steering Pressure Switch (PSPS) circuit open |
| 521 | R | Power Steering Pressure Switch (PSPS) circuit did not change states |
| 522 | O | Vehicle not in PARK or NEUTRAL during KOEO |
| 528 | C | Clutch Switch Circuit failure |
| 536 | R,C | Brake On/Off (BOO) circuit failure I not actuated during KOER |
| 538 | R | IsuffIcient RPM change during KOER Dynamic Response Test |
| 539 | O | AC On/Defrost ON during KOEO |
| 542 | O,C | Fuel Pump secondary circuit failure |
| 543 | O,C | Fuel Pump secondary circuit failure |
| 556 | O,C | Fuel Pump Relay primary circuit failure |
| 558 | O | EGR Vacuum Regulator (EVR) circuit failure |
| 564 | 0 | ElectrOD FAN( EDF) circuit failure |
| 565 | O | Canister Purge (CANP) circuit failure |
| 566 | O | 3-4 Shift Solenoid circuit failure |
| 629 | O | Converter Clutch Control circuit failure |
| 998 | O,R | Hard Fault present |
Legend: O = Ignition On (accessory), R = Engine Running, C = Continuous Memory
How do I Check the Engine Diagnostic Codes on My Foxbody?
Believe it or not, it is possible to check your Foxbody Mustang's error codes without using a fancy or specialized automotive scanner. For 1986-1988 Mustangs, all you need is a test light or analog voltmeter and a couple of small gauge jumper wires.
On the driver side towards the back of the engine bay, you need to identify the VIP/DLC connector and jump the #2 SIGRTN (signal return) and STI (self test port) together (unfolding a big paper clip will work). Connect a test light or analog voltmeter to the battery and the negative lead to the STO (self test output) port. The ECU will then send two-digit codes, indicated by light flashes (each digit is separated by a 2-second pause, and each code is separated by a 4-second pause), which can then be looked up in a code chart to understand their meaning.
Instead of using a test light or voltmeter, 1989-1993 Foxbody Mustang owners can use the check engine light (it will flash with the codes). For more information on specific codes, refer to the above chart.
Foxbody Fluid Capacities and Torque Ratings
See below for basic Foxbody 5.0L V8 engine fluid capacities and general bolt torquing information.
Torque Lists and Diagrams
Foxbody Mustang 5.0L torque ratings diagram
Engine Oil
| Engine | Capacity | Oil Type* |
|---|---|---|
| 2.3 Non-turbo, All V6 & V8's | 4 qts 5 qts with filter change | 10W-30 (0 deg C) 5W-30 (below 0°C) |
| 2.3 turbo | 4.5 qts 5.5 qts filter change | 10W-30 (0 deg C) 5W-30 (below 0°C) |
Foxbody Fuel Capacity (all engines)
| Year | Tank Capacity | Minimum Grade |
|---|---|---|
| 1979-93 | 15.4 gal, 60 L | 87 |
General Torque Specifications
| Application | Torque | Additional Info |
|---|---|---|
| Wheel Lugs | 80-105 ft-lbs | 1979-1993 |
| Spark Plugs | 5-10 ft-lbs 10-15 ft-lbs 10-15 ft-lbs 5-11 ft-lbs 10-15 ft-lbs 5-10 ft-lbs | 4 cyl 2.8L V6 Inline six 3.8L V6 79-87 V8 88 on V8 |
| Oil pan drain plug | 21-38 ft-lbs 15-25 ft-lbs | 2.8L V6 All other engines |
| Intake Manifold | 12-18 ft-lbs | Sequence: Start with the inner bolts, and change diagonally on each bolt (hand tighten first). Torque in the same sequence. |
Foxbody Weight Breakdown
- LX Manual Coupe - 3,037 lbs
- LX Manual Hatchback - 3,102 lbs
- LX Manual Convertible - 3,238 lbs
- LX Automatic Coupe - 3,097 lbs
- LX Automatic Hatchback - 3,162 lbs
- LX Automatic Convertible - 3,298
- GT Manual Hatchback - 3,191 lbs
- GT Manual Convertible - 3,327 lbs
- GT Automatic Hatchback - 3,251 lbs
- GT Automatic Convertible - 3,442 lbs
- 1993 Cobra - 3,255 lbs
- 1993 Cobra R - 3,143 lbs
Interior Trim Differences By Submodel
- 1980: Bucket seats, colored interior trim, window, and wide body moldings
- 1981: minor interior changes, t-tops
- 1983: Seat and door trim
- 1984: Saleen model (different trims altogether), front fascia, grille, flush headlights
- 1987-1993: exterior moldings, color-keyed rear bumper, hood scoop, rocker extensions (GT)
- 1989: T-top options removed
Fitment includes: 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
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Posted by: garyrosenzweige06255.blogspot.com
Source: https://www.americanmuscle.com/foxbody-mustang-info-specs.html
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