1975 MERCURY COUGAR XR-7

Model Designations:

Mercury Cougar XR-7, 8 Cylinder

Mercury Cougar XR-7, 8 Cylinder, Body Styles:

2 Door Hardtop Coupe, 5 Passenger, Body # 93

Base Price: $5,218; Shipping Weight: 4,108 Pounds

Production Total: 62,987

Chassis:

Wheelbase: 114"

Tire Sizes: HR78 X 14"

Engine Availability by Model:

V-8 351 Cubic Inches 148 H.P. Standard Engine (49 State)

V-8 351 Cubic Inches 150 H.P. Standard Engine (California)

V-8 400 Cubic Inches 144 H.P. Optional Engine (California)

V-8 400 Cubic Inches 158 H.P. Optional Engine (49 State)

V-8 460 Cubic Inches 216 H.P. Optional Engine (49 State)

V-8 460 Cubic Inches 216 H.P. Optional Engine (California)

General Engine Specifications:

8 Cylinder, 351 Cubic Inch, 148 H.P. Engine (49 State):

Engine Type: Overhead Valve, V-Type 8 Cylinder

Bore & Stroke: 4.000" x 3.50"

Engine Displacement: 351 Cu. In.

Compression Ratio: 8.00:1

Taxable Horsepower: 51.2

Horsepower: 148 @ 3,800 RPM

Torque: 243 Ft. Lbs @ 2,400 RPM

Normal Oil Pressure: 50-75 PSI

Carburetor: 2 Barrel

8 Cylinder, 351 Cubic Inch, 150 H.P. Engine (California):

Engine Type: Overhead Valve, V-Type 8 Cylinder

Bore & Stroke: 4.000" x 3.50"

Engine Displacement: 351 Cu. In.

Compression Ratio: 8.00:1

Taxable Horsepower: 51.2

Horsepower: 150 @ 3,800 RPM

Torque: 244 Ft. Lbs @ 2,800 RPM

Normal Oil Pressure: 50-75 PSI

Carburetor: 2 Barrel

8 Cylinder, 400 Cubic Inch, 144 H.P. Engine (California):

Engine Type: Overhead Valve, V-Type 8 Cylinder

Bore & Stroke: 4.00" x 4.00"

Engine Displacement: 400 Cu. In.

Compression Ratio: 8.00:1

Taxable Horsepower: 51.20

Horsepower: 144 @ 3,600 RPM

Torque: 255 Ft. Lbs @ 2,200 RPM

Normal Oil Pressure: 50-65 PSI

Carburetor: 2 Barrel

8 Cylinder, 400 Cubic Inch, 158 H.P. Engine (49 State):

Engine Type: Overhead Valve, V-Type 8 Cylinder

Bore & Stroke: 4.00" x 4.00"

Engine Displacement: 400 Cu. In.

Compression Ratio: 8.00:1

Taxable Horsepower: 51.20

Horsepower: 158 @ 4,000 RPM

Torque: 276 Ft. Lbs @ 2,000 RPM

Normal Oil Pressure: 50-65 PSI

Carburetor: 2 Barrel

V-8 Engine, 460 Cubic Inches, 216 H.P. (49 State):

Engine Type: Overhead Valve V-8

Bore & Stroke: 4.360" x 3.850"

Engine Displacement: 460 Cu. In.

Compresssion Ratio: 8.00 to 1

Taxable Horsepower: 60.80

Horsepower: 216 @ 4,000 RPM

Torque: 366 Ft. Lbs. @ 2,600 RPM

Normal Oil Pressure: 40-65 PSI

Carburetor: 4 Barrel

V-8 Engine, 460 Cubic Inches, 217 H.P. (California):

Engine Type: Overhead Valve V-8

Bore & Stroke: 4.360" x 3.850"

Engine Displacement: 460 Cu. In.

Compresssion Ratio: 8.00 to 1

Taxable Horsepower: 60.80

Horsepower: 217 @ 4,000 RPM

Torque: 365 Ft. Lbs. @ 2,600 RPM

Normal Oil Pressure: 40-65 PSI

Carburetor: 4 Barrel

Tune Up Specifications - All Series:

8 Cylinder 351 Cubic Inch Engine:

Spark Plug Type: Autolite ARF-42

Spark Plug Gap: .044"

Firing Order: 1-3-7-2-6-5-4-8

Ignition Timing: 12 Degrees BTDC

Engine Idle Speed:

Automatic Transmission: 650 RPM in Drive

8 Cylinder 400 Cubic Inch Engine:

Spark Plug Type: Autolite ARF-52

Spark Plug: Gap .044"

Firing Order: 1-5-4-2-6-7-3-8

Ignition Timing: 12 Degrees BTDC

Engine Idle Speed:

Automatic Transmission: 650 RPM in Drive

8 Cylinder 460 Cubic Inch Engine:

Spark Plug Type: Autolite ARF-52

Spark Plug: Gap .044"

Firing Order: 1-5-4-2-6-7-3-8

Ignition Timing: 14 Degrees BTDC

Engine Idle Speed:

Automatic Transmission: 650 RPM in Drive

Valve Specifications:

8 Cylinder 351 Cubic Inch Windsor Engine:

Valve Lash:

Intake: .131"-.181"

Exhaust: .131"-.181"

Valve Angles:

Seat: 45 Degrees

Face: 44 Degrees

Valve Spring Height, Installed: 1-51/64"

Valve Spring Pressure: 200 Lbs @ 1.34"

Valve Stem Clearance:

Intake .0010"-.0027"

Exhaust .0015"-.0032"

Valve Stem Diameter:

Intake: .3416"-.3423"

Exhaust: .3411"-.3418"

8 Cylinder 351 Cubic Inch Cleveland Engine, with 2 Barrel Carburetor:

Valve Lash:

Intake: .100"-.200"

Exhaust: .100"-.200"

Valve Angles:

Seat: 45 Degrees

Face: 44 Degrees

Valve Spring Height, Installed: 1-53/64"

Valve Spring Pressure: 226 Lbs @ 1.39"

Valve Stem Clearance:

Intake .0010"-.0027"

Exhaust .0015"-.0032"

Valve Stem Diameter:

Intake: .3416"-.3423"

Exhaust: .3411"-.3418"

8 Cylinder 400 Cubic Inch Engine:

Valve Lash:

Intake: .100"-.200"

Exhaust: .100"-.200"

Valve Angles:

Seat: 45 Degrees

Face: 44 Degrees

Valve Spring Height, Installed: 1-53/64"

Valve Spring Pressure: 226 Lbs @ 1.39"

Valve Stem Clearance:

Intake .0010"-.0027"

Exhaust .0015"-.0032"

Valve Stem Diameter:

Intake: .3416"-.3423"

Exhaust: .3411"-.3418"

8 Cylinder Engine, 460 Cu. In.

Valve Lash:

Intake: .100"-.150"

Exhaust: .100"-.150"

Valve Angles:

Seat: 45 Degrees

Face: 44 Degrees

Valve Spring Height, Installed: 1-53/64"

Valve Spring Pressure: 315 Lbs @ 1.32 inches

Valve Stem Clearance:

Intake .0010"-.0027"

Exhaust .0010"-.0027"

Valve Stem Diameter:

Intake: .3416"-.3423"

Exhaust: .3416"-.3423"

Piston, Rings, Pins, Crankshaft & Bearing Data:

8 Cylinder, 351 Cubic Inch Windsor Engine, with 2 Barrel Carburetor:

Piston Clearance: .0018"-.0026"

Ring End Gap:

Compression: .010"

Oil: .015"

Wrist Pin Diameter: .9121"

Rod Bearings:

Shaft Diameter: 2.3207"

Bearing Clearance: .0008"-.0026"

Main Bearings:

Shaft Diameter: 2.9998"

Bearing Clearance: .0008"-.0026"

Thrust on Bearing #3

Crankshaft End Play: .004"-.008"

8 Cylinder, 351 Cubic Inch Cleveland Engine, with 2 Barrel Carburetor:

Piston Clearance: .0014"-.0022"

Ring End Gap:

Compression: .010"

Oil: .015"

Wrist Pin Diameter: .9751"

Rod Bearings:

Shaft Diameter: 2.3207"

Bearing Clearance: .0008"-.0026"

Main Bearings:

Shaft Diameter: 2.9998"

Bearing Clearance: .0009"-.0026"

Thrust on Bearing #3

Crankshaft End Play: .004"-.008"

8 Cylinder, 400 Cubic Inch Engine:

Piston Clearance: .0014"-.0022"

Ring End Gap:

Compression: .010"

Oil: .015"

Wrist Pin Diameter: .9751"

Rod Bearings:

Shaft Diameter: 2.3207"

Bearing Clearance: .0008"-.0026"

Main Bearings:

Shaft Diameter: 2.9998"

Bearing Clearance: .0009"-.0026"

Thrust on Bearing #3

Crankshaft End Play: .004"-.008"

8 Cylinder, 460 Cubic Inch Engine

Piston Clearance: .0014"-.0022"

Ring End Gap:

Compression: .010"

Oil: .015"

Wrist Pin Diameter: 1.040"

Rod Bearings:

Shaft Diameter: 2.4992"-2.5000"

Bearing Clearance: .0008"-.0028"

Main Bearings:

Shaft Diameter: 2.9998"

Bearing Clearance:

#1: .0004"-.0020"

Others: .0012"-.0028"

Thrust on Bearing #3

Crankshaft End Play: .004"-.008"

Engine Tightening Specifications:

8 Cylinder 351 Cubic Inch Windsor Engines:

Spark Plugs: 10-15 Ft. Lbs.

Cylinder Head Bolts: 105-112 Ft. Lbs.

Intake Manifold: 23-25 Ft. Lbs.

Exhaust Manifold: 18-24 Ft. Lbs.

Rocker Arm Studs: 17-23 Ft. Lbs.

Rocker Arm Cover: 3-5 Ft. Lbs.

Connecting Rod Cap Bolts: 40-45 Ft. Lbs.

Main Bearing Cap Bolts: 95-105 Ft. Lbs.

Flywheel to Crankshaft: 75-85 Ft. Lbs.

Vibration Damper or Pulley: 70-90 Ft. Lbs.

8 Cylinder 351 Cubic Inch Cleveland Engines:

Spark Plugs: 15-20 Ft. Lbs.

Cylinder Head Bolts: 95-100 Ft. Lbs.

Intake Manifold:

5/16" Bolts: 21-25 Ft. Lbs.

3/8" Bolts: 27-33 Ft. Lbs

Exhaust Manifold: 18-24 Ft. Lbs.

Rocker Arm Studs: 18-25 Ft. Lbs.

Rocker Arm Cover: 3-5 Ft. Lbs.

Connecting Rod Cap Bolts: 40-45 Ft. Lbs.

Main Bearing Cap Bolts: 95-105 Ft. Lbs.

Flywheel to Crankshaft: 75-85 Ft. Lbs.

Vibration Damper or Pulley: 70-90 Ft. Lbs.

8 Cylinder 400 Cubic Inch Engines:

Spark Plugs: 10-15 Ft. Lbs.

Cylinder Head Bolts: 95-100 Ft. Lbs.

Intake Manifold:

5/16" Bolts: 21-25 Ft. Lbs.

3/8" Bolts. 27-33 Ft. Lbs.

Exhaust Manifold: 18-24 Ft. Lbs.

Rocker Arm Stud Nut: 18-25 Ft. Lbs.

Rocker Arm Cover: 3-5 Ft. Lbs.

Connecting Rod Cap Bolts: 40-45 Ft. Lbs.

Main Bearing Cap Bolts: 95-105 Ft. Lbs.

Flywheel to Crankshaft: 75-85 Ft. Lbs.

Vibration Damper or Pulley: 70-90 Ft. Lbs.

8 Cylinder, 460 Cubic Inch Engine:

Spark Plugs: 10-15 Ft. Lbs.

Cylinder Head Bolts: 130-140 Ft. Lbs.

Intake Manifold: 25-30 Ft. Lbs.

Exhaust Manifold: 28-33 Ft. Lbs.

Rocker Arm Stud Nut: 18-25 Ft. Lbs.

Rocker Arm Cover: 5 to 6 Ft. Lbs.

Connecting Rod Cap Bolts: 40-45 Ft. Lbs.

Main Bearing Cap Bolts: 95-105 Ft. Lbs.

Flywheel to Crankshaft: 75-85 Ft. Lbs.

Vibration Damper or Pulley: 70-90 Ft. Lbs.

Capacities-All Series:

With 351 Cubic Inch 8 Cylinder Engine:

Cooling System:

With Heater: 17.9 Quarts

With Air Conditioning: 18 Quarts

Radiator Cap Pressure:

With Air Conditioning: 12-16 PSI

Without Air Conditioning: 12-16 PSI

Thermostat Opening: 191 Degrees

Fuel Tank: 26-1/2 Gallons

Engine Oil Refill: 5 Quarts*

Automatic Transmission:

C4: 10-1/4" Quarts

C6: 10-1/2 Quarts

FMX: 11 Quarts

Rear Axle: 5 Pints

* With New Oil Filter

With 400 Cubic Inch 8 Cylinder Engine:

Cooling System:

With Heater: 17.1 Quarts

With Air Conditioning: 17.1 Quarts

Radiator Cap Pressure:

With Air Conditioning: 12-16 PSI

Without Air Conditioning: 12-16 PSI

Thermostat Opening: 191 Degrees

Fuel Tank: 26-1/2 Gallons

Engine Oil Refill: 5 Quarts*

Automatic Transmission:

C4: 10-1/4" Quarts

C6: 10-1/2 Quarts

FMX: 11 Quarts

Rear Axle: 5 Pints

* With New Oil Filter

With 460 Cubic Inch 8 Cylinder Engine:

Cooling System:

With Heater: 19.2 Quarts

With Air Conditioning: 19.7 Quarts

Radiator Cap Pressure:

With Air Conditioning: 12-16 PSI

Without Air Conditioning: 12-16 PSI

Thermostat Opening: 191 Degrees

Fuel Tank: 26-1/2 Gallons

Engine Oil Refill: 7 Quarts*

Automatic Transmission:

C4: 10-1/4" Quarts

C6: 10-1/2 Quarts

FMX: 11 Quarts

Rear Axle: 5 Pints

* With New Oil Filter

Starting Motor Specifications:

351 Cubic Inch 8 Cylinder Engines:

Part #D5OF-BA

Brush Spring Tension: 80 Ounces

No Load Test: 90 Amperes, 12 Volts

Torque Test: 670 Amperes, 5.0 Volts, @ 15-1/2 Ft. Lbs.

Part #D2AF-JA

Brush Spring Tension: 80 Ounces

No Load Test: 80 Amperes, 12 Volts

Torque Test: 670 Amperes, 5.0 Volts, @ 15-1/2 Ft. Lbs.

400 Cubic Inch 8 Cylinder Engines:

Part #D5AF-EA

Brush Spring Tension: 80 Ounces

No Load Test: 80 Amperes, 12 Volts

Torque Test: 670 Amperes, 5.0 Volts, @ 15-1/2 Ft. Lbs.

460 Cubic Inch 8 Cylinder Engines:

Part #C5AF-AB

Brush Spring Tension: 80 Ounces

No Load Test: 90 Amperes, 12 Volts

Ford Alternator Specifications:

Note: Not all alternators shown are available on the Cougar.

Purple, 38 Ampere Alternator:

Current Rating: 38 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator #D4TZ-A

Orange, 42 Ampere Alternator:

Current Rating: 42 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator #D4TZ-A

Red, 55 Ampere Alternator:

Current Rating: 55 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator #D4TZ-A

Green, 61 Ampere Alternator:

Current Rating: 61 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator #D4TZ-A

70 Ampere Alternator:

Current Rating: 70 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator #D4TZ-A

80 Ampere Alternator:

Current Rating: 80 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator #D4TZ-A

Distributor Specifications:

Note: Not all distributors shown are available on the Cougar

Part #D3ZF-AA

Centrifugal Advance:

Advance Starts: 0 to 2 Degrees @ 775 RPM

Intermediate Advance: 2 to 4 Degrees @ 975 RPM

Intermediate Advance: 5.4 to 7.7 Degrees @ 1,500 RPM

Full Advance: 10-3/4 Degrees @ 2,500 RPM

Vacuum Advance Data:

Advance Starts @ 6" Vacuum

Full Advance: 13-1/2 Degrees @ 24" Vacuum

Part #D4OF-EA

Centrifugal Advance:

Advance Starts: 0 to 2 Degrees @ 520 RPM

Intermediate Advance: 4-1/2 to 7-1/2 Degrees @ 800 RPM

Intermediate Advance: 10 to 12-1/2 Degrees @ 1,500 RPM

Full Advance: 17-3/4 Degrees @ 2,000 RPM

Vacuum Advance Data:

Advance Starts @ 4" Vacuum

Full Advance: 13 Degrees @ 17" Vacuum

Part #D3VE-CA

Centrifugal Advance:

Advance Starts: 0 to2 Degree @ 825 RPM

Intermediate Advance: 4 to 6 Degrees @ 1,025 RPM

Intermediate Advance: 7 to 9-1/4 Degrees @ 1,500 RPM

Intermediate Advance: 8-1/3 to 11-1/4 Degrees @ 2,000 RPM

Full Advance: 12-1/2 Degrees @ 2,500 RPM

Vacuum Advance Data:

Advance Starts @ 4" Vacuum

Full Advance: 11-3/4 Degrees @ 14.6" Vacuum

Part #D5AE-BA

Centrifugal Advance:

Advance Starts: 0 to 2-1/2 Degree @ 975 RPM

Intermediate Advance: 3-3/4 to 6-1/4 Degrees @ 750 RPM

Full Advance: 11-1/4 Degrees @ 2,150 RPM

Vacuum Advance Data:

Advance Starts @ 4" Vacuum

Full Advance: 13-1/4 Degrees @ 13" Vacuum

Part #D5AE-DA

Centrifugal Advance:

Advance Starts: 0 to 2-1/2 Degrees @ 975 RPM

Intermediate Advance: 3-3/4 to 6-1/4 Degrees @ 750 RPM

Full Advance: 11-1/4 Degrees @ 2,150 RPM

Vacuum Advance Data:

Advance Starts @ 4.3" Vacuum

Full Advance: 15-1/4 Degrees @ 13" Vacuum

Part #D5AE-EA

Centrifugal Advance:

Advance Starts: 0 to 2-1/2 Degrees @ 975 RPM

Intermediate Advance: 3-3/4 to 6-1/4 Degrees @ 1,500 RPM

Full Advance: 11-1/4 Degrees @ 2,150 RPM

Vacuum Advance Data:

Advance Starts @ 3" Vacuum

Full Advance: 13-1/4 Degrees @ 11" Vacuum

Part #D5DE-HA

Centrifugal Advance:

Advance Starts: 0 to 2 Degrees @ 550 RPM

Intermediate Advance: 3-1/2 to 5-1/2 Degrees @ 1,00 RPM

Intermediate Advance: 7 to 9-1/4 Degrees @ 1,500 RPM

Intermediate Advance: 10-1/2 to 13 Degrees @ 2,000 RPM

Full Advance: 16-1/2 Degrees @ 2,500 RPM

Vacuum Advance Data:

Advance Starts @ 4.5" Vacuum

Full Advance: 13-1/4 Degrees @ 19" Vacuum

Brake Specifications, Passenger Cars, All Series

All Models:

Brake Drum Diameter: 10.00"

Wheel Cylinder Bore:

Front Disc: 3.100"

Rear: 1"

Master Cylinder Bore:

Disc Brakes: 1"

Power Brakes: 1"

Rear Axle, All Models:

Carrier Type: Removable

Ring Gear & Pinion Backlash: .008"-.012"

Nominal Pinion Locating Shim: .015" (With 8" Ring Gear: .022")

Pinion Bearing Preload:

With New Bearings:

With Seal: 17-27 Inch Pounds

With Used Bearings:

With Seal: 8-14 Inch Pounds (With 6-3/4" Ring Gear: 6-12 Inch Lbs.)

Differential Bearing Preload:

With New Bearings: .008"-.012"

With Used Bearings: .

6-3/4" Ring Gear: 005"-.008"

8" Ring Gear: .005"-.008"

9" Ring Gear: .005"-.008"

Pinion Nut Torque:

With Collapsible Spacer: 170 Ft. Lbs.

With Solid Spacer: 200 Ft. Lbs.

Carrier Type: Integral

Ring Gear & Pinion Backlash: .008"-.012"

Nominal Pinion Locating Shim: .030"

Pinion Bearing Preload:

With New Bearings:

With Seal: 17-27 Inch Pounds

With Used Bearings:

With Seal: 8-14 Inch Pounds

Differential Bearing Preload: .008"-.012"

Pinion Nut Torque: 140 Ft. Lbs.

Wheel Alignment Specifications:

All Models:

Caster: +4 Degrees

Camber:

Left: + 1/2 Degree

Right: + 1/4 Degree

Toe-In: 1/8"

Toe-Out on Turns:

Outer Wheel: 18.06 Degrees

Inner Wheel: 20 Degrees

Mercury Cougar Carburetor Adjustments:

Note: See 1975 Ford Motor Company Carburetors Database

Popular Options:

Air Conditioning; Automatic Temperature Control; AM Radio; AM-FM Radio; AM-FM Stereo Radio; AM-FM Stereo Radio with Tape System; Tinted Glass; Electric Sun Roof; Heavy Duty Battery; Rear Bumper Guards; Two Tone Paint; Power Windows; Power Door Locks; Interval Wipers; Hood Lock Pins; Remote Left & Right Side Racing Mirror; Power Sun Roof; Sport Console; Power Steering; Power Brakes; Courtesy Light Group; Speed Control; Tilt Steering Wheel; Leather Wrapped Steering Wheel; Illuminated Vanity Visor Mirror; Sporty Wheel Covers; Styled Wheel Covers; Leather Interior; Velour Interior; Trailer Towing Package; Traction Lock Rear Axle; Engine & Transmission Options, and much more.

1975 Mercury Cougar Historical Data:

Introduction date of the 1975 Mercury line was on September 27, 1974.

Mercury Production for the 1975 model year was 404,650 including 62,987 Cougars.

1975 Mercury Colors &Codes:

1-C Black

1-G Silver

1-H Medium Slate Blue

2-B Bright Red

2-E Red

2-M Dark Red

2-Q Maroon

3-G Dark Blue

3-K Bright Blue Glamour

3-M Silver Blue Glamour

3-Q Medium Pastel Blue

4-T Ivy Bronze Glamour

4-V Dark Yellow Green

4-Z Light Green Gold

5-J Ginger Glamour

5-M Medium Copper

5-Q Dark Brown

5-T Saddle Bronze

5-U Tan Glamour

5-W Orange

5-Y Dark Copper

6-D Yellow

6-E Bright Yellow

8-C Medium Gold

9-D White

47 Light Green

Promotional Models Available:

None

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