1975 MERCURY

Full Sized Models

Model Designations:

Mercury Marquis, 8 Cylinder

Mercury Marquis Brougham, 8 Cylinder

Mercury Grand Marquis, 8 Cylinder

Mercury Marquis, 8 Cylinder, Body Styles:

4 Door Sedan, 6 Passenger, Body # 63

Factory Price: $5,115; Shipping Weight: 4,513 Pounds

Production Total: 20,058

2 Door Hardtop Coupe, 6 Passenger, Body # 66

Factory Price: $5,049; Shipping Weight: 4,470 Pounds

Production Total: 6,807

4 Door Station Wagon, 6 & 9 Passenger, Body # 74

Factory Price: $5,411; Shipping Weight: 4,880 Pounds

Production Total: 1,904

Mercury Marquis Brougham, 8 Cylinder, Body Styles:

4 Door Sedan, 6 Passenger, Body # 62

Factory Price: $6,037; Shipping Weight: 4,799 Pounds

Production Total: 19,667

2 Door Hardtop Coupe, 6 Passenger, Body # 64

Factory Price: $5,972; Shipping Weight: 4,747 Pounds

Production Total: 7,125

4 Door Colony Park Station Wagon, 6 & 9 Passenger, Body # 76

Factory Price: $5,598; Shipping Weight: 4,953 Pounds

Production Total: 11,652

Mercury Grand Marquis, 8 Cylinder, Body Styles:

4 Door Sedan, 6 Passenger, Body # 60

Factory Price: $6,469; Shipping Weight: 4,815 Pounds

Production Total: 12,307

2 Door Hardtop Coupe, 6 Passenger, Body # 61

Factory Price: $6,043; Shipping Weight: 4,762 Pounds

Production Total: 4,945

Chassis:

Wheelbase:

Passenger Cars: 124"

Station Wagons: 121"

Tire Sizes:

Passenger Cars, except Grand Marquis: JR78 X 15"

Grand Marquis: HR78 X 15"

Engine Availability by Model:

V-8 400 Cubic Inches 158 H.P. Standard on Marquis, except Wagons & Brougham

V-8 460 Cubic Inches 218 H.P. Standard Grand Marquis, Wagons, & Marquis Brougham. Optional on Marquis.

General Engine Specifications:

V-8 Engine, 400 Cubic Inches, 158 H.P.:

Engine Type: Overhead Valve V-8

Bore & Stroke: 4.00" x 4.00"

Engine Displacement: 400 Cu. In.

Compresssion Ratio: 8.00 to 1

Taxable Horsepower: 51.20

Horsepower: 158 @ 3,800 RPM

Torque: 276 Ft. Lbs @ 2,000 RPM

Normal Oil Pressure: 50-75 PSI

Carburetor: 2 Barrel

V-8 Engine, 460 Cubic Inches, 218 H.P.:

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: 218 @ 4,000 RPM

Torque: 369 Ft. Lbs @ 2,600 RPM

Normal Oil Pressure: 40-65 PSI

Carburetor: 4 Barrel

Tune Up Specifications - All Series:

8 Cylinder 400 Cubic Inch Engine:

Spark Plug Type: Autolite ARF-42

Spark Plug: Gap .044"

Point Gap: .017"

Ignition Timing: 12 Degrees BTDC

Engine Idle Speed:

Automatic Transmission: 625 RPM, in Drive

8 Cylinder, 460 Cubic Inch Engines:

Spark Plug Type: Autolite ARF-52

Spark Plug: Gap .044"

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

Ignition Timing: 14 Degrees BTDC

Engine Idle Speed:

Automatic Transmission: 650 RPM in Drive

Valve Specifications:

8 Cylinder Engine, 400 Cu. In.:

Valve Lash:

Intake: .100"-.200"

Exhaust: .100"-.200"

Valve Angles:

Seat: 45 Degrees

Face: 45 Degrees

Valve Spring Height, Installed: 1.82"

Valve Spring Pressure:

Intake: 210 Lbs. @ 1.39"

Exhaust 226 Lbs @ 1.39 inches

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:: 45 Degrees

Valve Spring Height, Installed: 1.81"

Valve Spring Pressure: 253 Lbs @ 1.33 inches

Valve Stem Clearance:

Intake .0010"-.0027";

Exhaust .0015"-.0032"

Valve Stem Diameter:

Intake: .3416"-.3423"

Exhaust: .3416"-.3423"

Piston, Rings, Pins, Crankshaft & Bearing Data:

8 Cylinder Engine, 400 Cubic Inches:

Piston Clearance: .0014"-.0022"

Ring End Gap:

Compression: .010"

Oil: .015"

Wrist Pin Diameter: .975"

Rod Bearings:

Shaft Diameter: 2.3107"

Bearing Clearance: .0008"-.0026"

Main Bearings:

Shaft Diameter: 2.9988"

Bearing Clearance: .0009"-.0026"

Thrust on #3 Bearing

Crankshaft End Play: .004"-.008"

8 Cylinder Engine, 460 Cubic Inches:

Piston Clearance: .0013"-.0023"

Ring End Gap:

Compression: .010"

Oil: .015"

Wrist Pin Diameter: 1.0401"

Rod Bearings:

Shaft Diameter: 2.4992"-2.5000"

Bearing Clearance: .0008"-.0026"

Main Bearings:

Shaft Diameter: 2.9998"

Bearing Clearance:

#1: .0004"-.0020"

All Others: .0009"-.0027"

Thrust on #3 Bearing

Crankshaft End Play: .004"-.008"

Engine Tightening Specifications:

8 Cylinder, 400 Cubic Inch Engine:

Spark Plugs: 10-15 Ft. Lbs.

Cylinder Head Bolts: 95-105 Ft. Lbs.

Intake Manifold:

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

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

1/4" Bolts: 6-9 Ft. Lbs.

Exhaust Manifold: 18-24 Ft. Lbs.

Rocker Arm Fulcrum Bolt to Cylinder Head: 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 Fulcrum Bolt to Cylinder Head: 18-25 Ft. Lbs.

Rocker Arm Cover: 5-6 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:

8 Cylinder 400 Cubic Inch Engines:

Cooling System:

With Heater: 17.1 Quarts

With Air Conditioning: 17.6 Quarts

Radiator Cap Pressure:

With Air Conditioning: 12-16 PSI

Without Air Conditioning: 12-15 PSI

Thermostat Opening: 191 Degrees

Fuel Tank:

Passenger Cars: 24.2 Gallons

Station Wagons: 21 Gallons

With Auxililary Tank: Add 8 Gallons

Engine Oil Refill: 5 Quarts*

Automatic Transmission:

FMX: 11 Quarts

C6: 12-1/4 Quarts

C4: 10-1/4 Quarts

Rear Axle:

WER Axles: 4 Pints

Other Axles: 5 Pints

* With New Oil Filter

With 460 Cubic Inch Engine:

Cooling System:

With Heater: 18-1/2 Quarts

With Air Conditioning:

Standard: 18-1/2 Quarts

Medium Duty: 19 Quarts

Heavy Duty & Police Cars: 20 Quarts

Radiator Cap Pressure:

With Air Conditioning: 12-16 PSI

Without Air Conditioning: 12-16 PSI

Thermostat Opening: 191 Degrees

Fuel Tank:

Passenger Cars: 24.2 Gallons

Station Wagons: 21 Gallons

With Auxililary Tank: Add 8 Gallons

Engine Oil Refill:

Standard: 5 Quarts*

Police Cars: 7-1/2 Quarts*

Automatic Transmission: 12-1/2 Quarts

Rear Axle:

WER Axles: 4 Pints

Other Axles: 5 Pints

* With New Oil Filter

Starting Motor Specifications:

400 Cubic Inch Engines:

Part #D5AF-EA:

Rotation: Clockwise

Brush Spring Tension: 80 Ounces

No Load Test: 80 Amperes, 12 Volts

Torque Test: 670 Amperes, 5.0 Volts, @ 15.5 Ft. Lbs.

460 Cubic Inch Engines:

Part #D5AF-AB:

Rotation: Clockwise

Brush Spring Tension: 80 Ounces

No Load Test: 90 Amperes, 12 Volts

Ford Alternator Specifications:

D3VF-10300-AB:

Current Rating: 80 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4TF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

D3OF-10300-AA:

Current Rating: 70 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4TF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

D3OF-10300-BA:

Current Rating: 55 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4AF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

D3OF-10300-EA:

Current Rating: 61 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4AF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

D3OF-10300-FA:

Current Rating: 42 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4AF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

D32F-10300-BA:

Current Rating: 61 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4AF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

D4LF-10300-AA:

Current Rating: 55 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4AF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

D4LF-10300-CA:

Current Rating: 55 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4AF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

D4OF-10300-AA:

Current Rating: 42 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4AF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

D4OF-10300-BA:

Current Rating: 55 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4AF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

D4OF-10300-DA:

Current Rating: 61 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4AF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

D4OF-10300-EA:

Current Rating: 70 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4AF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

D42F-10300-BA:

Current Rating: 61 Amperes @ 15 Volts

Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts

Voltage Regulator: D4AF-AA:

Voltage @ 75 Degrees: 13.5-15.3 Volts

Closing Voltage @75 Degrees: 2.5-4.0 Volts

Distributor Specifications:

Note: Distributors listed below apply to all models of 1975 Ford & Mercury Passenger Cars.

Part #D4AF-AA

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: 15-1/4 Degrees @ 2,000 RPM

Vacuum Advance Data:

Advance Starts @ 4" Vacuum

Maximum Advance: 12-3/4 Degrees @ 17" Vacuum

Part #D4OE-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: 15-1/4 Degrees @ 2,000 RPM

Vacuum Advance Data:

Advance Starts @ 4" Vacuum

Maximum Advance: 12-3/4 Degrees @ 17" Vacuum

Part #D4VE-CA

Centrifugal Advance:

Advance Starts: -1-1/2 to +1/2 Degrees @ 800 RPM

Intermediate Advance: 2 to 5 Degrees @ 1,000 RPM

Full Advance: 19 Degrees @ 2,000 RPM

Vacuum Advance Data:

Advance Starts @ 4" Vacuum

Maximum Advance: 19-3/4 Degrees @ 14" Vacuum

Brake Specifications, All Except 4 Wheel Disc:

Brake Drum Diameter: 11.03"

Wheel Cylinder Bore:

Front Disc: 3.100"

Rear: 1"

Master Cylinder Bore:

Disc Brakes: 1"

Power Brakes: 1"

Brake Specifications, All With 4 Wheel Disc:

Wheel Cylinder Bore:

Front Disc: 3.100"

Rear: 2.6"

Master Cylinder Bore:

Disc Brakes: 1-1/8"

Power Brakes: 1-1/8"

Rear Axle, All Models:

Carrier Type: Removable

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

Nominal Pinion Locating Shim: .015"

Pinion Bearing Preload:

With New Bearings with Seal: 17-27 Inch Pounds

With New Bearings with Solid Spacer: 13 to 33 Inch Pounds

Differential Bearing Preload:

With New Bearings: .008"-.012"

With Used Bearings: .005"-.008"

Pinion Nut Torque:

Collapsible Spacer: 170 Ft. Lbs.

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

Differential Bearing Preload:

With New Bearings: .008"-.012"

With Used Bearings: .006"-.010"

Pinion Nut Torque: 140 Ft. Lbs.

Wheel Alignment Specifications:

All Models:

Caster: +2 Degrees

Camber:

Left: +1/2 Degrees

Right: +1/4 Degrees

Toe-In: 3/16"

Toe-Out on Turns:

Outer Wheel: 18.72 Degrees

Inner Wheel: 20 Degrees

Mercury Carburetor Adjustments:

Note: See 1975 Ford Motor Company Carburetor Database:

Popular Options:

Air Conditioning; Anti-theft Alarm System for Station Wagons; Heavy Duty Battery; DeLuxe Seat & Shoulder Belts; Electric Clock in Monterey; Digital Clock in Monterey; electric Rear Window Defroster; Rear Fender Skirts, except Monterey Wagons & All Marquis Floor Mats in Monterey Custom; Tited Glass; Cornering Lights; Automatic Load Adjuster on Wagons; Luggate Carrier with Air Deflector in Wagons; Illuminated Vanity Visior Mirror; Body Side Molding; Rocker Panel Molding on Monterey Custom; Power Brakes; 6 Way Bench Seat; 6 Way Left & Right Power Seat on Marquis; Electric Sunroof; Power Tailgate Window; Power Vent Windows; Power Windows; AM Radio; AM-FM Multiplex Radio with Stereo Tape; AM-FM Multiplex Radio with Dual Front Door & Rear Seat Speakers; Dual Rear Seat Speakers; Cornering Lights; Vinyl Roof; Rear Facing 3rd Seat on Station Wagons; Halo Roof on Marquis Wagon; Twin Comfort Lounge Seats; Vinyl 3rd Seat on Station Wagons; Storage Compartment with Locks on Staton Wagons; Trailer Hitch Equalizer Platform; Trailer Brake Control; Interval Wipers; Luxury Wheel Covers; Rear Tailgate Window Washer on Wagons; Power Door Locks; Power Trunk Release; Front & Rear Bumper Guards; Remote Control Mirror; Trailer Towing Package, Engine Options; Various Trim Options, and Much More.

1975 Mercury Historical Data:

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

Total Mercury Production for the1975 model year was 404,650 including 84,465 Full Size Mercurys.

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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