1977 MERCURY

1977 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:

2 Door Hardtop Coupe, 6 Passenger, Body # 65H

Factory Price: $5,496; Shipping Weight: 4,293 Pounds

Production Total: 13,242

4 Door Pillard Hardtop, 6 Passenger, Body # 53H

Factory Price: $5,496; Shipping Weight: 4,326 Pounds

Production Total: 36,103

4 Door Station Wagon, 6 Passenger, Body # 71H

Factory Price: $5,631; Shipping Weight: 4,628 Pounds

Production Total: 20,383*

4 Door Station Wagon, 8 Passenger, Body # 71H

Factory Price: $5,794; Shipping Weight: Not Available

Production Total: *

* Production for 6 & 8 Passenger Station Wagons is combined.

Mercury Marquis Brougham, 8 Cylinder, Body Styles:

4 Door Pillard Hardtop, 6 Passenger, Body # 53K

Factory Price: $6,324; Shipping Weight: 4,408 Pounds

Production Total: 29,411

2 Door Pillard Hardtop Coupe, 6 Passenger, Body # 65K

Factory Price: $6,229; Shipping Weight: 4,350 Pounds

Production Total: 12,237

Mercury Grand Marquis, 8 Cylinder, Body Styles:

4 Door Pillard Hardtop, 6 Passenger, Body # 53L

Factory Price: $6,975; Shipping Weight: 4,572 Pounds

Production Total: 31,231

2 Door Hardtop Coupe, 6 Passenger, Body # 65L

Factory Price: $6,880; Shipping Weight: 4,516 Pounds

Production Total: 13,445

Chassis:

Wheelbase:

Passenger Cars: 124"

Station Wagons: 121"

Tire Sizes:

Passenger Cars: HR78 X 15"

Station Wagons: JR78 X 15"

Optional: LR78 X 15"

Axle Ratios:

With 400 Cu. In. Engine: 2.47:1

With 460 Cu. In. Engine: 2.50:1

Engine Availability by Model:

V-8 400 Cubic Inches 173 H.P. Standard Engine, Marquis

V-8 460 Cubic Inches 197 H.P. Standard on Grand Marquis. Optional on others.

General Engine Specifications:

V-8 Engine, 400 Cubic Inches, 173 H.P. (49 State):

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: 173 @ 3,800 RPM

Torque: 326 Ft. Lbs @ 1,600 RPM

Normal Oil Pressure: 50-75 PSI

Carburetor: 2 Barrel

V-8 Engine, 400 Cubic Inches, 168 H.P. (California):

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: 168 @ 3,800 RPM

Torque: 323 Ft. Lbs @ 1,600 RPM

Normal Oil Pressure: 50-75 PSI

Carburetor: 2 Barrel

V-8 Engine, 460 Cubic Inches, 197 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: 197 @ 4,000 RPM

Torque: 353 Ft. Lbs @ 2,000 RPM

Normal Oil Pressure: 35-65 PSI

Carburetor: 4 Barrel

Tune Up Specifications - All Series:

8 Cylinder 400 Cubic Inch Engine, 49 State, Calibration Codes: 7-17B-R1 & 7-37A-R0:

Spark Plug Type: Autolite ARF-52

Spark Plug: Gap .050"

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

Ignition Timing: 8 Degrees BTDC

Engine Idle Speed:

Automatic Transmission:

Calibration Code 7-17B-R1: 600 RPM in Drive

Calibration Code 7-37A-R0: 500 RPM in Drive; 650 RPM in Drive with A/C on.

Fast Idle Speed: 1,350 RPM on kickdown step of cam

Fuel Pump Pressure: 6 to 8 PSI

Note: Calibration codes are located on the engine identification label at the rear of the left valve cover. The calibration code is located after the engine code number.

8 Cylinder 400 Cubic Inch Engine, 49 State, Calibration Code: 7-17B-R15:

Spark Plug Type: Autolite ARF-52

Spark Plug: Gap .050"

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

Ignition Timing: 12 Degrees BTDC

Engine Idle Speed:

Automatic Transmission: 600 RPM in Drive

Fast Idle Speed: 1,350 RPM on kickdown step of cam

Fuel Pump Pressure: 6 to 8 PSI

Note: Calibration codes are located on the engine identification label at the rear of the left valve cover. The calibration code is located after the engine code number.

8 Cylinder 400 Cubic Inch Engine, 49 State, Calibration Code: 7-17B-R16:

Spark Plug Type: Autolite ARF-52

Spark Plug: Gap .050"

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

Ignition Timing: 10 Degrees BTDC

Engine Idle Speed:

Automatic Transmission: 600 RPM in Drive

Fast Idle Speed: 1,350 RPM on kickdown step of cam

Fuel Pump Pressure: 6 to 8 PSI

Note: Calibration codes are located on the engine identification label at the rear of the left valve cover. The calibration code is located after the engine code number.

8 Cylinder 400 Cubic Inch Engine, 49 State, Calibration Codes: 7-17C-R1 & 7-17-C-R11:

Spark Plug Type: Autolite ARF-52

Spark Plug: Gap .050"

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

Ignition Timing: 6 Degrees BTDC

Engine Idle Speed:

Automatic Transmission: 600 RPM in Drive

Fast Idle Speed: 1,350 RPM on kickdown step of cam

Fuel Pump Pressure: 6 to 8 PSI

Note: Calibration codes are located on the engine identification label at the rear of the left valve cover. The calibration code is located after the engine code number.

8 Cylinder 400 Cubic Inch Engine, (California):

Spark Plug Type: Autolite ARF-52

Spark Plug: Gap .044"

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

Ignition Timing: 10 Degrees BTDC

Engine Idle Speed:

Automatic Transmission: 625 RPM in Drive

Fast Idle Speed: 1,400 RPM on kickdown step of cam

Fuel Pump Pressure: 6 to 8 PSI

8 Cylinder 460 Cubic Inch Engine, except High Altitude, Calibration Codes: 7-19A-R1 &

7-19A-R17:

Spark Plug Type: Autolite ARF-52

Spark Plug: Gap .050"

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

Ignition Timing: 16 Degrees BTDC

Engine Idle Speed:

Automatic Transmission: 525 RPM in Drive; 650 RPM in Drive with A/C on.

Fast Idle Speed: 1,350 RPM on kickdown step of cam

Fuel Pump Pressure: 5.7 to 6.7 PSI

Note: Calibration codes are located on the engine identification label at the rear of the left valve cover. The calibration code is located after the engine code number.

8 Cylinder 460 Cubic Inch Engine, except High Altitude, Calibration Codes: 7-19A-R2 &

7-19A-R3:

Spark Plug Type: Autolite ARF-52

Spark Plug: Gap .050"

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

Ignition Timing: 10 Degrees BTDC

Engine Idle Speed:

Automatic Transmission:

. Calibration Code 7-19A-R2: 525 RPM in Drive; 650 RPM in Drive with A/C on.

Calibration Code 7-19A-R3: 550 RPM in Drive; 650 RPM in Drive with A/C on.

Fast Idle Speed: 1,350 RPM on kickdown step of cam

Fuel Pump Pressure: 5.7 to 6.7 PSI

Note: Calibration codes are located on the engine identification label at the rear of the left valve cover. The calibration code is located after the engine code number.

8 Cylinder 460 Cubic Inch Engine, High Altitude:

Spark Plug Type: Autolite ARF-52

Spark Plug: Gap .050"

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

Ignition Timing: 18 Degrees BTDC

Engine Idle Speed:

Automatic Transmission: 500 RPM in Drive; 650 RPM in Drive with A/C on.

Fast Idle Speed: 1,350 RPM on kickdown step of cam

Fuel Pump Pressure: 5.7 to 6.7 PSI

Valve Specifications:

8 Cylinder Engine, 400 Cu. In.:

Valve Lash:

Intake: .125"-.175"

Exhaust: .125"-.175"

Valve Angles:

Seat: 45 Degrees

Face: 45 Degrees

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

Valve Spring Pressure: 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: 1-13/16"

Valve Spring Pressure: 229 Lbs @ 1.33 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 Engine, 400 Cubic Inches:

Piston Clearance: .0014"-.0022"

Ring End Gap:

Compression: .010"

Oil: .015"

Wrist Pin Diameter: .9752"

Rod Bearings:

Shaft Diameter: 2.3103"-2.3111"

Bearing Clearance: .0008"-.0015"

Main Bearings:

Shaft Diameter: 2.9994"-3.0002"

Bearing Clearance: .0008"-.0015"

Thrust on #3 Bearing

Crankshaft End Play: .004"-.008"

8 Cylinder Engine, 460 Cubic Inches:

Piston Clearance: .0014"-.0022"

Ring End Gap:

Compression: .010"

Oil: .015"

Wrist Pin Diameter: 1.0401"

Rod Bearings:

Shaft Diameter: 2.4992"-2.5000"

Bearing Clearance: .0008"-.0015"

Main Bearings:

Shaft Diameter: 2.9994"-3.0002"

Bearing Clearance: .0008"-.0015"

Thrust on #3 Bearing

Crankshaft End Play: .004"-.008"

8 Cylinder Police Engine, 460 Cubic Inches:

Piston Clearance: .0022"-.0032"

Ring End Gap:

Compression: .010"

Oil: .015"

Wrist Pin Diameter: 1.0401"

Rod Bearings:

Shaft Diameter: 2.4992"-2.5000"

Bearing Clearance: .0008"-.0015"

Main Bearings:

Shaft Diameter: 2.9994"-3.0002"

Bearing Clearance:

#1: .0004"-.0015"

Others: .0008"-.0015"

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.

Exhaust Manifold: 18-24 Ft. Lbs.

Rocker Arm Stud Nut or Bolt: : 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: 22-32 Ft. Lbs.

Exhaust Manifold: 28-33 Ft. Lbs.

Rocker Arm Stud Nut or Bolt: 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:

With 400 Cubic Inch 8 Cylinder Engines:

Cooling System:

With Heater: 17.1Quarts

With Air Conditioning: 17.2 Quarts

Radiator Cap Pressure: 13-19 PSI

Thermostat Opening: 191 Degrees

Fuel Tank:

Passenger Cars: 24.2 Gallons

Station Wagons: 21 Gallons

With Auxiliary 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

All Others: 5 Pints

* With New Oil Filter

With 460 Cubic Inch 8 Cylinder Engines:

Cooling System:

With Heater: 18.5 Quarts

With Air Conditioning: 18.5 Quarts

Radiator Cap Pressure: 13-19 PSI

Thermostat Opening: 191 Degrees

Fuel Tank:

Passenger Cars: 24.2 Gallons

Station Wagons: 21 Gallons

With Auxiliary 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

All Others: 5 Pints

* With New Oil Filter

With 460 Cubic Inch 8 Cylinder Heavy Duty & Police Engines:

Cooling System:

With Heater: 19.0 Quarts

With Air Conditioning: 19.0 Quarts

Radiator Cap Pressure: 13-19 PSI

Thermostat Opening: 191 Degrees

Fuel Tank:

Passenger Cars: 24.2 Gallons

Station Wagons: 21 Gallons

With Auxiliary Tank: Add 8 Gallons

Engine Oil Refill: 7 Quarts*

Automatic Transmission:

FMX: 11 Quarts

C6: 12-1/4 Quarts

C4: 10-1/4 Quarts

Rear Axle:

WER Axles: 4 Pints

All Others: 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 #D6AF-AA:

Rotation: Clockwise

Brush Spring Tension: 40 Ounces

No Load Test: 70 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