1972 MERCURY COMET
Model Designations:
Mercury Comet, 6 & 8 Cylinder
Mercury Comet, 6 & 8 Cylinder, Body Styles:
2 Door Sedan, 6 Passenger, Body # 31
Factory Price: $2,342; Shipping Weight: 2,597 Pounds
Production Total: 53,267*
4 Door Sedan, 6 Passenger, Body # 30
Factory Price: $2,398; Shipping Weight: 2,674 Pounds
Production Total: 29,092*
* 6 & 8 Cylinder Production is combined.
Chassis:
Wheelbase:
2 Doors: 103"
4 Doors: 109.9"
Tire Sizes: 6:45 X 14"
Engine Availability by Model:
I-6 170 Cubic Inches 82 H.P. Standard Engine
I-6 200 Cubic Inches 91 H.P. Optional Engine
I-6 250 Cubic Inches 98 H.P. Optional Engine
V-8 302 Cubic Inches 143 H.P. Optional Engine
General Engine Specifications:
6 Cylinder, 170 Cubic Inch, 82 H.P. Engine:
Engine Type: Overhead Valve, Inline 6
Bore & Stroke: 3.50" x 2.93"
Engine Displacement: 170 Cu. In.
Compression Ratio: 8.30:1
Taxable Horsepower: 29.40
Horsepower: 82 @ 4,400 RPM
Torque: 129 Ft. Lbs @ 1,800 RPM
Normal Oil Pressure: 35-60 PSI
Carburetor: 1 Barrel
6 Cylinder, 200 Cubic Inch, 91 H.P. Engine:
Engine Type: Overhead Valve, Inline 6
Bore & Stroke: 3.68" x 3.13"
Engine Displacement: 200 Cu. In.
Compression Ratio: 8.30:1
Taxable Horsepower: 32.50
Horsepower: 91 @ 4,000 RPM
Torque: 154 Ft. Lbs @ 2,200 RPM
Normal Oil Pressure: 35-60 PSI
Carburetor: 1 Barrel
6 Cylinder, 250 Cubic Inch, 98 H.P. Engine:
Engine Type: Overhead Valve, Inline 6
Bore & Stroke: 3.68" x 3.91"
Engine Displacement: 250 Cu. In.
Compression Ratio: 8.0:1
Taxable Horsepower: 32.50
Horsepower: 98 @ 3,600 RPM
Torque: 183 Ft. Lbs @ 1,600 RPM
Normal Oil Pressure: 35-60 PSI
Carburetor: 1 Barrel
8 Cylinder, 143 H.P. 302 Cubic Inch Engine:
Engine Type: Overhead Valve, V-8
Bore & Stroke: 4.00" x 3.00"
Engine Displacement: 302 Cu. In.
Compression Ratio: 8.50:1
Taxable Horsepower: 51.20
Horsepower: 143 @ 4,200 RPM
Torque: 242 Ft. Lbs @ 2,000 RPM
Normal Oil Pressure: 35-60 PSI
Carburetor: 2 Barrel
Tune Up Specifications - All Series:
6 Cylinder, 170 Cubic Inch Engine:
Spark Plug Type: Autolite BRF-82
Spark Plug: Gap .034"
Point Gap: .027"
Distributor Cam Angle: 35-39 Degrees
Firing Order: 1-5-3-6-2-4
Ignition Timing: 6 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 750 RPM
Idle CO: 1.2%
6 Cylinder 200 Cubic Inch Engine without Air Conditioning:
Spark Plug Type: Autolite BRF-82
Spark Plug: Gap .034"
Point Gap: .027"
Distributor Cam Angle: 35-39 Degrees
Firing Order: 1-5-3-6-2-4
Ignition Timing: 6 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 750 RPM
Automatic Transmission: 550 RPM in Drive
Idle CO: 0.8%
6 Cylinder 200 Cubic Inch Engine with Air Conditioning:
Spark Plug Type: Autolite BRF-82
Spark Plug: Gap .034"
Point Gap: .027"
Distributor Cam Angle: 35-39 Degrees
Firing Order: 1-5-3-6-2-4
Ignition Timing: 6 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 500 RPM; 800 RPM with throttle solenoid energized
Automatic Transmission: 500 RPM in Drive; 600 RPM in Drive with throttle solenoid energized.
Idle CO: 1.2%
6 Cylinder 250 Cubic Inch Engine without Air Conditioning:
Spark Plug Type: Autolite BRF-82
Spark Plug: Gap .034"
Point Gap: .027"
Distributor Cam Angle: 35-39 Degrees
Firing Order: 1-5-3-6-2-4
Ignition Timing: 6 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 500 RPM
Automatic Transmission: 550 RPM in Drive
Idle CO:
Standard Transmission: 1.0%
Automatic Transmission: 1.0%
6 Cylinder 250 Cubic Inch Engine with Air Conditioning:
Spark Plug Type: Autolite BRF-82
Spark Plug: Gap .034"
Point Gap: .027"
Distributor Cam Angle: 35-39 Degrees
Firing Order: 1-5-3-6-2-4
Ignition Timing: 6 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 500 RPM; 750 RPM with Throttle Solenoid Energized
Automatic Transmission: 500 RPM in Drive; 600 RPM in Drive with Throttle Solenoid Energized
Idle CO:
Standard Transmission: 1.0%
Automatic Transmission: 1.0%
8 Cylinder 302 Cubic Inch Engine without Air Conditioning:
Spark Plug Type: Autolite BRF-42
Spark Plug: Gap .034"
Point Gap: .017"
Distributor Cam Angle: 26-30 Degrees
Firing Order: 1-5-4-2-6-3-7-8
Ignition Timing: 6 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 575 RPM
Automatic Transmission: 575 RPM in Drive
Idle CO: 0.19%
8 Cylinder 302 Cubic Inch Engine with Air Conditioning:
Spark Plug Type: Autolite BRF-42
Spark Plug: Gap .034"
Point Gap: .017"
Distributor Cam Angle: 26-30 Degrees
Firing Order: 1-5-4-2-6-3-7-8
Ignition Timing: 6 Degrees BTDC
Engine Idle Speed:
Standard Transmission: 500 RPM; 800 RPM with Throttle Solenoid Energized
Automatic Transmission: 500 RPM in Drive; 600 RPM in Drive with Throttle Solenoid Energized
Idle CO: 0.19%
Valve Specifications:
6 Cylinder Engines, 170 Cubic Inch:
Valve Lash:
Intake: .100"-.150"
Exhaust: .100"-.150"
Valve Angles:
Seat: 45 Degrees
Face: 44 Degrees
Valve Spring Height, Installed: 1-19/32"
Valve Spring Pressure: 150 Lbs @ 1.22"
Valve Stem Clearance:
Intake .0008"-.0025"
Exhaust .001"-.0027"
Valve Stem Diameter:
Intake: .3100"-.3107"
Exhaust: .3098"-.3105"
6 Cylinder Engines, 200 Cubic Inch:
Valve Lash:
Intake: .100"-.150"
Exhaust: .100"-.150"
Valve Angles:
Seat: 45 Degrees
Face: 44 Degrees
Valve Spring Height, Installed: 1-19/32"
Valve Spring Pressure: 150 Lbs @ 1.22"
Valve Stem Clearance:
Intake .0008"-.0025"
Exhaust .001"-.0027"
Valve Stem Diameter:
Intake: .3100"-.3107"
Exhaust: .3098"-.3105"
6 Cylinder Engines, 250 Cubic Inch:
Valve Lash:
Intake: .100"-.150"
Exhaust: .100"-.150"
Valve Angles:
Seat: 45 Degrees
Face: 44 Degrees
Valve Spring Height, Installed: 1-37/64"
Valve Spring Pressure: 150 Lbs @ 1.22"
Valve Stem Clearance:
Intake .0008"-.0025"
Exhaust .001"-.0027"
Valve Stem Diameter:
Intake: .3100"-.3107"
Exhaust: .3098"-.3105"
6 Cylinder Engines, 250 Cubic Inch, California Cars:
Valve Lash:
Intake: .100"-.150"
Exhaust: .100"-.150"
Valve Angles:
Seat: 45 Degrees
Face: 44 Degrees
Valve Spring Height, Installed: 1-37/64"
Valve Spring Pressure: 146 Lbs @ 1.20"
Valve Stem Clearance:
Intake .0008"-.0025"
Exhaust .001"-.0027"
Valve Stem Diameter:
Intake: .3100"-.3107"
Exhaust: .3098"-.3105"
8 Cylinder 302 Cubic Inch Engine:
Valve Lash:
Intake: .090"-.140"
Exhaust: .090"-.140"
Valve Angles:
Seat: 45 Degrees
Face: 44 Degrees
Valve Spring Height, Installed: 1-11/16"
Valve Spring Pressure: 200 Lbs @ 1.31"
Valve Stem Clearance:
Intake .001"-.0027"
Exhaust .0015"-.0032"
Valve Stem Diameter:
Intake: .3416"-.3423"
Exhaust: .3411"-.3418"
Piston, Rings, Pins, Crankshaft & Bearing Data:
6 Cylinder 170 Cubic Inch Engines:
Piston Clearance: .0013"-.0026"
Ring End Gap:
Compression: .008"
Oil: .015"
Wrist Pin Diameter: .912"
Rod Bearings:
Shaft Diameter: 2.1232"-2.1240"
Bearing Clearance: .0002"-.0024"
Main Bearings:
Shaft Diameter: 2.2482"-2.2490"
Bearing Clearance: .0007"-.0026"
Thrust on Bearing:#3
Crankshaft End Play: .004"-.008"
6 Cylinder 200 Cubic Inch Engines:
Piston Clearance: .0014"-.0020"
Ring End Gap:
Compression: .008"
Oil: .015"
Wrist Pin Diameter: .912"
Rod Bearings:
Shaft Diameter: 2.1232"-2.1240"
Bearing Clearance: .0002"-.0024"
Main Bearings:
Shaft Diameter: 2.2482"-2.2490"
Bearing Clearance: .0007"-.0026"
Thrust on Bearing: #5
Crankshaft End Play: .004"-.008"
6 Cylinder 250 Cubic Inch Engines:
Piston Clearance: .0013"-.0021"
Ring End Gap:
Compression: .008"
Oil: .015"
Wrist Pin Diameter: .912"
Rod Bearings:
Shaft Diameter: 2.1232"-2.1240"
Bearing Clearance: .0008"-.0024"
Main Bearings:
Shaft Diameter: 2.3982"-2.3990"
Bearing Clearance: .0005"-.0022"
Thrust on Bearing: #5
Crankshaft End Play: .004"-.008"
8 Cylinder, 302 Cubic Inch Engine:
Piston Clearance: .0018"-.0026"
Ring End Gap:
Compression: .010"
Oil: .015"
Wrist Pin Diameter: .912"
Rod Bearings:
Shaft Diameter: 2.1232"-2.1240"
Bearing Clearance: .0008"-.0026"
Main Bearings:
Shaft Diameter: 2.2482"-2.2490"
Bearing Clearance: .0005"-.0024"
Thrust on Bearing #3
Crankshaft End Play: .004"-.008"
Engine Tightening Specifications:
6 Cylinder 170, 200 & 250 Cubic Inch Engines:
Spark Plugs: 15-20 Ft. Lbs.
Cylinder Head Bolts: 70-75 Ft. Lbs.
Exhaust Manifold: 13-18 Ft. Lbs.
Rocker Arm Shaft Bracket: 30-35 Ft. Lbs.
Rocker Arm Cover: 3-5 Ft. Lbs.
Connecting Rod Cap Bolts: 19-24 Ft. Lbs.
Main Bearing Cap Bolts: 60-70 Ft. Lbs.
Flywheel to Crankshaft: 75-85 Ft. Lbs.
Vibration Damper or Pulley: 85-100 Ft. Lbs.
8 Cylinder 302 Cubic Inch Engines:
Spark Plugs: 15-20 Ft. Lbs.
Cylinder Head Bolts: 65-72 Ft. Lbs.
Intake Manifold: 23-25 Ft. Lbs.
Exhaust Manifold: 12-16 Ft. Lbs.
Rocker Arm Cover: 3-5 Ft. Lbs.
Connecting Rod Cap Bolts: 19-24 Ft. Lbs.
Main Bearing Cap Bolts: 60-70 Ft. Lbs.
Flywheel to Crankshaft: 75-85 Ft. Lbs.
Vibration Damper or Pulley: 100-130 Ft. Lbs.
Capacities-All Series:
6 Cylinder 170 Cubic Inch Engine:
Cooling System:
Without Heater: 8 Quarts
With Heater: 9 Quarts
With Air Conditioning: 9 Quarts
Radiator Cap Pressure:
With Air Conditioning: 12-15 PSI
Without Air Conditioning: 12-15 PSI
Thermostat Opening: 190 Degrees
Fuel Tank: 15 Gallons
Engine Oil Refill: 4-1/2 Quarts*
Manual Transmission:
Three Speed: 3-1/2 Pints
Automatic Transmission: 8 Quarts
Rear Axle: 4 Pints
* With New Oil Filter
6 Cylinder 200 Cubic Inch Engine:
Cooling System:
Without Heater: 7-3/4 Quarts
With Heater: 8-3/4 Quarts
With Air Conditioning: 9 Quarts
Radiator Cap Pressure:
With Air Conditioning: 12-15 PSI
Without Air Conditioning: 12-15 PSI
Thermostat Opening: 190 Degrees
Fuel Tank: 15 Gallons
Engine Oil Refill: 4-1/2 Quarts*
Manual Transmission:
Three Speed: 3-1/2 Pints
Automatic Transmission: 8 Quarts
Rear Axle: 4 Pints
* With New Oil Filter
6 Cylinder 250 Cubic Inch Engine:
Cooling System:
Without Heater: 8-3/4 Quarts
With Heater: 9-3/4 Quarts
With Air Conditioning: 9-3/4 Quarts
Radiator Cap Pressure:
With Air Conditioning: 12-15 PSI
Without Air Conditioning: 12-15 PSI
Thermostat Opening: 190 Degrees
Fuel Tank: 15 Gallons
Engine Oil Refill: 4-1/2 Quarts*
Manual Transmission:
Three Speed: 3-1/2 Pints
Automatic Transmission: 8 Quarts
Rear Axle: 4 Pints
* With New Oil Filter
8 Cylinder 302 Cubic Inch Engine:
Cooling System:
Without Heater: 12-1/2 Quarts
With Heater: 13-1/2 Quarts
With Air Conditioning: 14-1/4 Quarts
Radiator Cap Pressure:
With Air Conditioning: 12-15 PSI
Without Air Conditioning: 12-15 PSI
Thermostat Opening: 190 Degrees
Fuel Tank: 15 Gallons
Engine Oil Refill: 5 Quarts*
Manual Transmission:
Three Speed: 3-1/2 Pints
Automatic Transmission: 9 Quarts
Rear Axle: 4 Pints
* With New Oil Filter
Starting Motor Specifications:
6 Cylinder 170 & 200 Cubic Inch Engines:
Part #D2ZF-BA
Brush Spring Tension: 40 Ounces
No Load Test: 70 Amperes, 12 Volts
Torque Test: 670 Amperes, 5.0 Volts, @ 15-1/2 Ft. Lbs.
6 Cylinder 200 Cubic Inch Engines:
Part #D2OF-AA
Brush Spring Tension: 40 Ounces
No Load Test: 70 Amperes, 12 Volts
Torque Test: 670 Amperes, 5.0 Volts, @ 15-1/2 Ft. Lbs.
6 Cylinder 250 Cubic Inch Engines:
Part #D2ZF-AA
Brush Spring Tension: 40 Ounces
No Load Test: 70 Amperes, 12 Volts
Torque Test: 670 Amperes, 5.0 Volts, @ 15-1/2 Ft. Lbs.
Part #D2AF-CA
Brush Spring Tension: 40 Ounces
No Load Test: 70 Amperes, 12 Volts
Torque Test: 670 Amperes, 5.0 Volts, @ 15-1/2 Ft. Lbs.
8 Cylinder 302 Cubic Inch Engines:
Part #D2ZF-AA
Brush Spring Tension: 40 Ounces
No Load Test: 70 Amperes, 12 Volts
Torque Test: 670 Amperes, 5.0 Volts, @ 15-1/2 Ft. Lbs.
Part #D2AF-CA
Brush Spring Tension: 40 Ounces
No Load Test: 70 Amperes, 12 Volts
Torque Test: 670 Amperes, 5.0 Volts, @ 15-1/2 Ft. Lbs.
Part #D2ZF-DA
Brush Spring Tension: 40 Ounces
No Load Test: 70 Amperes, 12 Volts
Torque Test: 670 Amperes, 5.0 Volts, @ 15-1/2 Ft. Lbs.
Ford Alternator Specifications:
Note: Not all alternators shown are available on the Comet.
Part #D0ZF-10300-B
Current Rating: 38 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.4 Amperes @ 12 Volts
Voltage Regulator: (Autolite)
Voltage @ 75 Degrees: 13.5-15.3 Volts
Field Relay:
Closing Voltage @ 75 Degrees: 2.0 to 4.2 Volts
Part #D0AF-10300-C
Current Rating: 42 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts
Voltage Regulator: (Autolite)
Voltage @ 75 Degrees: 13.5-15.3 Volts
Field Relay:
Closing Voltage @ 75 Degrees: 2.0 to 4.2 Volts
Part #D0AF-10300-F
Current Rating: 42 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts
Voltage Regulator: (Autolite)
Voltage @ 75 Degrees: 13.5-15.3 Volts
Field Relay:
Closing Voltage @ 75 Degrees: 2.0 to 4.2 Volts
Part #D0AF-10300-G
Current Rating: 42 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts
Voltage Regulator: (Autolite)
Voltage @ 75 Degrees: 13.5-15.3 Volts
Field Relay:
Closing Voltage @ 75 Degrees: 2.0 to 4.2 Volts
Part #D0AF-10300-E
Current Rating: 55 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts
Voltage Regulator: (Autolite)
Voltage @ 75 Degrees: 13.5-15.3 Volts
Field Relay:
Closing Voltage @ 75 Degrees: 2.0 to 4.2 Volts
Part #D0AF-10300-H
Current Rating: 55 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts
Voltage Regulator: (Autolite)
Voltage @ 75 Degrees: 13.5-15.3 Volts
Field Relay:
Closing Voltage @ 75 Degrees: 2.0 to 4.2 Volts
Part #D0ZF-10300-A
Current Rating: 55 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts
Voltage Regulator: (Autolite)
Voltage @ 75 Degrees: 13.6-15.1 Volts
Contact Gap: .018"-.020"
Armature Air Gap: .042"-.052"
Field Relay:
Armature Air Gap: .011"-.013"
Closing Voltage @ 75 Degrees: 6.2 to 7.2 Volts
Part #D0ZF-10300-C
Current Rating: 55 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts
Voltage Regulator: (Autolite)
Voltage @ 75 Degrees: 13.6-15.1 Volts
Contact Gap: .018"-.020"
Armature Air Gap: .042"-.052"
Field Relay:
Armature Air Gap: .011"-.013"
Closing Voltage @ 75 Degrees: 6.2 to 7.2 Volts
Part #D0SF-10300-A
Current Rating: 55 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts
Voltage Regulator: (Autolite)
Voltage @ 75 Degrees: 13.6-15.1 Volts
Contact Gap: .018"-.020"
Armature Air Gap: .042"-.052"
Field Relay:
Armature Air Gap: .011"-.013"
Closing Voltage @ 75 Degrees: 6.2 to 7.2 Volts
Part #D0LF-10300-A
Current Rating: 55 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts
Part #D1ZF-10300-AA
Current Rating: 55 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts
Voltage Regulator: (Autolite)
Voltage @ 75 Degrees: 13.5-15.3 Volts
Field Relay:
Closing Voltage @ 75 Degrees: 2.0 to 4.2 Volts
Part #D1AF-10300-AA
Current Rating: 61 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts
Voltage Regulator: (Autolite)
Voltage @ 75 Degrees: 13.5-15.3 Volts
Field Relay:
Closing Voltage @ 75 Degrees: 2.0 to 4.2 Volts
Part #D1AF-10300-A
Current Rating: 65 Amperes @ 15 Volts
Field Current @ 75 Degrees: 2.9 Amperes @ 12 Volts
Distributor Specifications:
Note: Not distributors shown are available on the Comet
Part #D2AF-RA
Centrifugal Advance:
Advance Starts: 1/2 to 2-1/2 Degree @ 500 RPM
Intermediate Advance: 2 to 4 Degrees @ 750 RPM
Intermediate Advance: 3-1/2 to 5-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 6-1/2 to 9 Degrees @ 1,500 RPM
Full Advance: 12 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 13-1/2 Degrees @ 20" Vacuum
Maximum Retard: 4 Degrees @ 20" Vacuum
Part #D2AF-SA
Centrifugal Advance:
Advance Starts: 1/2 to 2-1/2 Degree @ 500 RPM
Intermediate Advance: 2 to 4 Degrees @ 750 RPM
Intermediate Advance: 3-1/2 to 5-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 6-1/2 to 9 Degrees @ 1,500 RPM
Full Advance: 12 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 13-1/2 Degrees @ 20" Vacuum
Maximum Retard: 4 Degrees @ 20" Vacuum
Part #D2AF-CA
Centrifugal Advance:
Advance Starts: 0 to1/2 Degree @ 500 RPM
Intermediate Advance: 0 to 1-1/2 Degrees @ 750 RPM
Intermediate Advance: 4-1/2 to 6-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 7 to 9-1/2 Degrees @ 1,500 RPM
Full Advance: 11 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 5-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2AF-KA
Centrifugal Advance:
Advance Starts: 1 to3 Degree @ 500 RPM
Intermediate Advance: 5-1/2 to 7-1/2 Degrees @ 750 RPM
Intermediate Advance: 6-1/2 to 8-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 8-1/2 to 10-1/2 Degrees @ 1,500 RPM
Full Advance: 12-1/2 Degrees @ 2,200 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 13 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2DF-AA
Centrifugal Advance:
Advance Starts: 0 to 2 Degrees @ 500 RPM
Intermediate Advance: 4-1/2 to 6-1/2 Degrees @ 750 RPM
Intermediate Advance: 7 to 9 Degrees @ 1,000 RPM
Intermediate Advance: 9 to 11-1/2 Degrees @ 1,500 RPM
Full Advance: 13-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 7-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2AF-BA
Centrifugal Advance:
Advance Starts: 0 to 2 Degree @ 500 RPM
Intermediate Advance: 4-1/2 to 6-1/2 Degrees @ 750 RPM
Intermediate Advance: 7 to 9 Degrees @ 1,000 RPM
Intermediate Advance: 9 to 11-1/2 Degrees @ 1,500 RPM
Full Advance: 13 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 7-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2DF-CA
Centrifugal Advance:
Advance Starts: 0 to1 Degree @ 500 RPM
Intermediate Advance: 3 to 5 Degrees @ 750 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 9-1/2 to 12 Degrees @ 1,500 RPM
Full Advance: 12-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 7-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2DF-EA
Centrifugal Advance:
Advance Starts: 0 to1 Degree @ 500 RPM
Intermediate Advance: 3 to 5 Degrees @ 750 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 9-1/2 to 12 Degrees @ 1,500 RPM
Full Advance: 12-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 7-1/2 Degrees @ 20" Vacuum
Part #D2DF-DA
Centrifugal Advance:
Advance Starts: 1/2 to 2-1/2 Degrees @ 500 RPM
Intermediate Advance: 5 to 7 Degrees @ 750 RPM
Intermediate Advance: 9 to 11 Degrees @ 1,000 RPM
Intermediate Advance: 10-1/2 to 12-1/2 Degrees @ 1,500 RPM
Full Advance: 13-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 7-1/2 Degrees @ 20" Vacuum
Maximum Retard: 4 Degrees @ 20" Vacuum
Part #D2DF-FA
Centrifugal Advance:
Advance Starts: 0 to1 Degree @ 500 RPM
Intermediate Advance: 0 to 1-1/2 Degrees @ 750 RPM
Intermediate Advance: 4-1/2 to 7 Degrees @ 1,000 RPM
Intermediate Advance: 10-1/2 to 12-1/2 Degrees @ 1,500 RPM
Full Advance: 13-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 7-1/2 Degrees @ 20" Vacuum
Maximum Retard: 4 Degrees @ 20" Vacuum
Part #D22F-LA
Centrifugal Advance:
Advance Starts: 0 to1/2 Degree @ 500 RPM
Intermediate Advance: 0 to 1-1/2 Degrees @ 750 RPM
Intermediate Advance: 2-1/2 to 4-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 8 to 10 Degrees @ 1,500 RPM
Full Advance: 13-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 12-1/2 Degrees @ 20" Vacuum
Maximum Retard: 4 Degrees @ 20" Vacuum
Part #D22F-HA
Centrifugal Advance:
Advance Starts: 0 to1 Degree @ 500 RPM
Intermediate Advance: 1-1/2 to 3-1/2 Degrees @ 750 RPM
Intermediate Advance: 4-1/2 to 6-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 10 to 12 Degrees @ 1,500 RPM
Full Advance: 14-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 9-1/2 Degrees @ 20" Vacuum
Part #D2MF-EA
Centrifugal Advance:
Advance Starts: 0 to1 Degree @ 500 RPM
Intermediate Advance: 2 to 4 Degrees @ 750 RPM
Intermediate Advance: 4-1/2 to 6-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 6 to 8 Degrees @ 1,500 RPM
Full Advance: 9-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 11-1/2 Degrees @ 20" Vacuum
Maximum Retard: 4 Degrees @ 20" Vacuum
Part #D2MF-FA
Centrifugal Advance:
Advance Starts: 0 to1 Degree @ 500 RPM
Intermediate Advance: 2 to 4 Degrees @ 750 RPM
Intermediate Advance: 4-1/2 to 6-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 6 to 8 Degrees @ 1,500 RPM
Full Advance: 9-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 11-1/2 Degrees @ 2o" Vacuum
Maximum Retard: 4 Degrees @ 20" Vacuum
Part #D2OF-PA
Centrifugal Advance:
Advance Starts: 0 to 2-1/2 Degrees @ 500 RPM
Intermediate Advance: 6 to 8 Degrees @ 750 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 10 to 12-1/2 Degrees @ 1,500 RPM
Full Advance: 15 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 9-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2OF-DA
Centrifugal Advance:
Advance Starts: 0 to 1-1/2 Degrees @ 500 RPM
Intermediate Advance: 5 to 7 Degrees @ 750 RPM
Intermediate Advance: 5-1/2 to 7-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 7 to 9 Degrees @ 1,500 RPM
Full Advance: 10-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 9-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2OF-EA
Centrifugal Advance:
Advance Starts: 0 to1 Degree @ 500 RPM
Intermediate Advance: 1-1/2 to 3-1/2 Degrees @ 750 RPM
Intermediate Advance: 4 to 6 Degrees @ 1,000 RPM
Intermediate Advance: 7 to 9 Degrees @ 1,500 RPM
Full Advance: 10-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 9-1/2 Degrees @ 20" Vacuum
Maximum Retard: 4 Degrees @ 20" Vacuum
Part #D2OF-HA
Centrifugal Advance:
Advance Starts: 0 to1 Degree @ 500 RPM
Intermediate Advance: 0 to 2 Degrees @ 750 RPM
Intermediate Advance: 5 to 7 Degrees @ 1,000 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,500 RPM
Full Advance: 11 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 5-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2OF-JA
Centrifugal Advance:
Advance Starts: 0 to1 Degree @ 500 RPM
Intermediate Advance: 0 to 2 Degrees @ 750 RPM
Intermediate Advance: 5 to 7 Degrees @ 1,000 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,500 RPM
Full Advance: 11 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 5-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2OF-RA
Centrifugal Advance:
Advance Starts: 0 to1/2 Degree @ 500 RPM
Intermediate Advance: 0 to 1-1/2 Degrees @ 750 RPM
Intermediate Advance: 4-1/2 to 6-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 7 to 9-1/2 Degrees @ 1,500 RPM
Full Advance: 11 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 5-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2ZF-EA
Centrifugal Advance:
Advance Starts: 0 to1/2 Degree @ 500 RPM
Intermediate Advance: 0 to 1 Degrees @ 750 RPM
Intermediate Advance: 1 to 3 Degrees @ 1,000 RPM
Intermediate Advance: 5-1/2 to 8 Degrees @ 1,500 RPM
Full Advance: 13 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 5-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2ZF-AA
Centrifugal Advance:
Advance Starts: 0 to 1-1/2 Degrees @ 500 RPM
Intermediate Advance: 2-1/4 to 4-1/4 Degrees @ 750 RPM
Intermediate Advance: 4-1/2 to 6-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 8 to 10 Degrees @ 1,500 RPM
Full Advance: 12-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 12-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2ZF-CA
Centrifugal Advance:
Advance Starts: 0 to1 Degree @ 500 RPM
Intermediate Advance: 3-1/2 to 5-1/2 Degrees @ 750 RPM
Intermediate Advance: 6-1/2 to 8-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 8-1/2 to 10-1/2 Degrees @ 1,500 RPM
Full Advance: 12-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 10 Degrees @ 20" Vacuum
Maximum Retard: 4 Degrees @ 20" Vacuum
Part #D2ZF-FA
Centrifugal Advance:
Advance Starts: 0 to1/2 Degree @ 500 RPM
Intermediate Advance: 0 to 1 Degrees @ 750 RPM
Intermediate Advance: 1 to 3 Degrees @ 1,000 RPM
Intermediate Advance: 5-1/2 to 8 Degrees @ 1,500 RPM
Full Advance: 13 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 5-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Part #D2ZF-GC
Centrifugal Advance:
Advance Starts: 0 to1/2 Degree @ 500 RPM
Intermediate Advance: 0 to 1 Degrees @ 750 RPM
Intermediate Advance: 0 to 2 Degrees @ 1,000 RPM
Intermediate Advance: 4-1/2 to 6-1/2 Degrees @ 1,500 RPM
Full Advance: 11 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 9-1/2 Degrees @ 20" Vacuum
Part #D2ZF-HA
Centrifugal Advance:
Advance Starts: 0 to1 Degree @ 500 RPM
Intermediate Advance: 1-1/2 to 3-1/2 Degrees @ 750 RPM
Intermediate Advance: 4-1/2 to 6 Degrees @ 1,000 RPM
Intermediate Advance: 10 to 12 Degrees @ 1,500 RPM
Full Advance: 14-1/2 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 9-1/2 Degrees @ 20" Vacuum
Part #D2ZF-JA
Centrifugal Advance:
Advance Starts: 0 to1 Degree @ 500 RPM
Intermediate Advance: 0 to 1-1/2 Degrees @ 750 RPM
Intermediate Advance: 2-1/2 to 4-1/2 Degrees @ 1,000 RPM
Intermediate Advance: 7-1/2 to 9-1/2 Degrees @ 1,500 RPM
Full Advance: 13 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts @ 5" Vacuum
Full Advance: 11-1/2 Degrees @ 20" Vacuum
Maximum Retard: 7 Degrees @ 20" Vacuum
Brake Specifications, Passenger Cars, All Series
6 Cylinder Passenger Cars:
Brake Drum Diameter: 9.00"
Wheel Cylinder Bore:
Front Drum: 1.062"
Rear: .844"
Master Cylinder Bore:
Drum Brakes: 1"
Power Brakes: .9375"
8 Cylinder Passenger Cars:
Brake Drum Diameter: 10.00"
Wheel Cylinder Bore:
Front Drum: 1.125"
Rear: .875"
Master Cylinder Bore:
Drum Brakes: 1"
Power Brakes: .9375"
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:
Without Spacers: 17-27 Inch Pounds
With Spacers: 13-33 Inch Pounds
Differential Bearing Preload:
With New Bearings: .008"-.012"
With Used Bearings: .005"-.008"
Pinion Nut Torque:
With Collapsible Spacer: 170 Ft. Lbs.
With Solid Spacer: 200 Ft. Lbs.
Wheel Alignment Specifications:
All Models:
Caster: -1/2 Degrees
Camber:
Left: + 1/4 Degree
Right: + 1/4 Degree
Toe-In: 3/16"
Toe-Out on Turns:
Outer Wheel:
Manual Steering: 18.44 Degrees
Power Steering: 18.21 Degrees
Inner Wheel: 20 Degrees
Ford Carburetor Adjustments:
Note: See 1972 Ford Motor Company Carburetors Data File
Popular Options:
AM Radio & Antenna; AM-FM Radio; Automatic Transmission; White Wall Tires; Deluxe Wheel Covers; Air Conditioning; Front & Rear Bumper Guards; Consolette with Clock; Rear Window Defogger; Power Steering; Tinted Glass; Two-Tone Paint; Glamour Paint; Vinyl Roof; Bucket Seats; Trim Rings with Hubcaps; Various Trim Optionns; GT Package; Various Trim Options; Engine & Transmission Options; and Much More.
1972 Mercury Historical Data:
Introduction date of the 1972 Mercury Comet was on September 24, 1971.
Total Mercury Production for the1972 model year was 441,963 including 82,358 Comets.
1972 Mercury Colors & Codes:
1-A Light Gray
2-B Bright Red
1-C Black
2-E Red
2-J Maroon
30-B Light Blue
3-D Medium Blue
3-F Competition Blue
3-H Dark Blue
3-J Bright Blue
3-K Blue Glamour
4-B Bright Green Gold
4-C Ivy Glamour
4-E Brignt Lime
4-F Medium Lime
4-P Medium Green
4-Q Dark Green
4-S Light Green
5-A Light Pewter
5-H Medium Brown
5-H Gingder
5-J Ginger Glamour
6-B Light Goldenrod
6-C Medium Bright Yellow
6-D Yellow
6-E Medium Bright Yellow
6-F Gold Glamour
6-J Gray Gold
9-A White
Promotional Models Available:
Mercury Comet 2 Door Sedan.
Copyright 2001, Custom Solutions & Services