1973 BUICK APOLLO, CENTURY

LUXUS, & REGAL


Models:

Buick Apollo, 6 & 8 Cylinder

Buick Century, 8 Cylinder

Buick Luxus, 8 Cylinder

Buick Regal, 8 Cylinder



Buick Apollo, 6 Cylinder:


4 Door Sedan, 5 Passenger, Body B69,

Base Price: $2,628; Shipping Weight: 3,152 Pounds

Production Total: 8,450*


2 Door Notchback Coupe, 5 Passenger, Body B27

Base Price: $2,605; Shipping Weight: 3,108 Pounds

Production Total: 14,475*


2 Door Hatchback Coupe, 5 Passenger, Body B17

Base Price: $2,754; Shipping Weight: 3,210 Pounds

Production Total: 9,868*


* Combined 6 & 8 Cylinder Production.




Buick Apollo, 8 Cylinder:


4 Door Sedan, 5 Passenger, Body B69,

Base Price: $2,746; Shipping Weight: 3,326 Pounds

Production Total: *


2 Door Notchback Coupe, 5 Passenger, Body B27

Base Price: $2,723; Shipping Weight: 3,282 Pounds

Production Total: *


2 Door Hatchback Coupe, 5 Passenger, Body B17

Base Price: $2,872; Shipping Weight: 3,384 Pounds

Production Total: *


* See 6 Cylinder Production. Combined 6 & 8 Cylinder Production.


Total Apollo Production: 32,793




Buick Century 350:


4 Door Hardtop, 6 Passenger, Body D29,

Base Price: $3,057; Shipping Weight: 3,780 Pounds

Production Total: 38,202


2 Door Hardtop Coupe, 6 Passenger, Body D37

Base Price: $3,057; Shipping Weight: 3,713 Pounds

Production Total: 56,154


4 Door Station Wagon, 9 Passenger, Body F45

Base Price: $3,601; Shipping Weight: 4,192 Pounds

Production Total: (Included with 6 Passenger Wagon)


4 Door Station Wagon, 6 Passenger, Body F35

Base Price: $3,486; Shipping Weight: 4,156 Pounds

Production Total: 7,760 (Includes 9 Passenger Wagon)


Total Century Production: 102,116.




Buick Luxus:


4 Door Hardtop, 6 Passenger, Body H29,

Base Price: $3,326; Shipping Weight: 3,797 Pounds

Production Total: 22,438


2 Door Hardtop Coupe, 6 Passenger, Body H37

Base Price: $3,331; Shipping Weight: 3,718 Pounds

Production Total: 71,712


4 Door Station Wagon, 9 Passenger, Body K45

Base Price: $3,767; Shipping Weight: 4,227 Pounds

Production Total: (Included with 6 Passenger Wagon)


4 Door Station Wagon, 6 Passenger, Body K35

Base Price: $3,652; Shipping Weight: 4,190 Pounds

Production Total: 10,645 (Includes 9 Passenger Wagon)


Total Luxus Production: 104,795.




Buick Regal:


2 Door Hardtop, 5 Passenger, Body J57,

Base Price: $3,470; Shipping Weight: 3,743 Pounds

Production Total: 91,557




Chassis:


Wheelbase:

Apollo: 111"

Century, Luxus, & Regal 2 Door Models: 112"

Century & Luxus 4 Door Models: 116"


Tire Sizes:

Apollo: E78 X 14"

Century, Luxus, & Regal: G78 X 14"



Major Engine Specifications, Buick Apollo, Inline 6 Engine, 100 H.P.:


Engine Type: Overhead Valve Inline 6 Cylinder

Engine Bore & Stroke: 3.875" X 3.53"

Engine Displacement: 250 Cu. In.

Compression Ratio: 8.25:1

Taxable Horsepower: 36.04

Horsepower: 100 @ 3,600 RPM

Torque: 175 Ft. Lbs. @ 1,600 RPM

Normal Oil Pressure: 40 PSI

Carburetor: 1 Barrel




Major Engine Specifications, 350 Cubic Inch V-8 Engine, 150 H.P.:


Engine Type: Overhead Valve V-Type 8 Cylinder

Engine Bore & Stroke: 3.80" X 3.85"

Engine Displacement: 350 Cu. In.

Compression Ratio: 8.50:1

Taxable Horsepower: 46.21

Horsepower: 150 @ 3,800 RPM

Torque: 265 Ft. Lbs. @ 2,400 RPM

Normal Oil Pressure: 37 PSI

Carburetor: 2 Barrel



Major Engine Specifications, 350 Cubic Inch V-8 Engine, 175 H.P.:


Engine Type: Overhead Valve V-Type 8 Cylinder

Engine Bore & Stroke: 3.80" X 3.85"

Engine Displacement: 350 Cu. In.

Compression Ratio: 8.50:1

Taxable Horsepower: 46.21

Horsepower: 175 @ 3,800 RPM

Torque: 270 Ft. Lbs. @ 2,400 RPM

Normal Oil Pressure: 37 PSI

Carburetor: 4 Barrel



Major Engine Specifications, 455 Cubic Inch V-8 Engine, 225 H.P.:


Engine Type: Overhead Valve V-Type 8 Cylinder

Engine Bore & Stroke: 4.3125" X 3.90"

Engine Displacement: 455 Cu. In.

Compression Ratio: 8.50:1

Taxable Horsepower: 59.51

Horsepower: 225 @ 4,000 RPM

Torque: 360 Ft. Lbs. @ 2,600 RPM

Normal Oil Pressure: 40 PSI

Carburetor: 4 Barrel





Engine Available by Model:


100 HP I-6, 250 Cu. In. Standard on Apollo 6

150 HP V-8, 350 Cu. In. Standard on Apollo 8 & Century

175 HP V-8, 350 Cu. In. Optional on Apollo 8 & Century.

225 HP V-8, 455 Cu. In. Optional on Century.



Capacities, 6 Cylinder, 250 Cu. In. Engine:

Cooling System:

With Heater: 14 Quarts

With Air Conditioning: 14 Quarts

Radiator Cap Pressure:

With Air Conditioning: 15 PSI

Without Air Conditioning: 15 PSI

Thermostat Opening: 195 Degrees

Fuel Tank: 21 Gallons

Engine Oil: 4 Quarts*

Manual Transmission Capacity:

3 Speed: 3-1/2 Pints

Automatic Transmission Capacity:

Total Capacity: 10 Quarts

Oil Pan Only: 3 Quarts

Rear Axle Capacity:

8-1/2" Axle: 4-1/4 Pints

8-7/8" Axle: 5-1/4 Pints

9-3/8" Axle: 5-1/2 Pints


* Add 1 Quart for Oil Filter.






Capacities, 8 Cylinder, 350 Cu. In. Engine, Apollo:

Cooling System:

With Heater: 19.5 Quarts

With Air Conditioning: 20.0 Quarts

Radiator Cap Pressure:

With Air Conditioning: 15 PSI

Without Air Conditioning: 15 PSI

Thermostat Opening: 190 Degrees

Fuel Tank: 21 Gallons

Engine Oil: 4 Quarts*

Manual Transmission Capacity:

3 Speed: 3-1/2 Pints

Automatic Transmission Capacity:

Total Capacity: 10 Quarts

Oil Pan Only: 3 Quarts

Rear Axle Capacity:

8-1/2" Axle: 4-1/4 Pints

8-7/8" Axle: 5-1/4 Pints

9-3/8" Axle: 5-1/2 Pints


* Add 1 Quart for Oil Filter.



Capacities, 8 Cylinder, 350 Cu. In. Engine, Except Apollo:

Cooling System:

With Heater: 16.45 Quarts

With Air Conditioning: 16.85 Quarts

Radiator Cap Pressure:

With Air Conditioning: 15 PSI

Without Air Conditioning: 15 PSI

Thermostat Opening: 190 Degrees

Fuel Tank: 22 Gallons

Engine Oil: 4 Quarts*

Manual Transmission Capacity:

3 Speed: 3-1/2 Pints

Automatic Transmission Capacity:

Total Capacity: 10 Quarts

Oil Pan Only: 3 Quarts

Rear Axle Capacity:

8-1/2" Axle: 4-1/4 Pints

8-7/8" Axle: 5-1/4 Pints

9-3/8" Axle: 5-1/2 Pints


* Add 1 Quart for Oil Filter.






Capacities, 8 Cylinder, Gran Sport 455 Cu. In. Engine:

Cooling System:

With Heater: 16.2 Quarts

With Air Conditioning: 16.6 Quarts

Radiator Cap Pressure:

With Air Conditioning: 15 PSI

Without Air Conditioning: 15 PSI

Thermostat Opening: 190 Degrees

Fuel Tank: 22 Gallons

Engine Oil: 4 Quarts*

Manual Transmission Capacity:

3 Speed: 3-1/2 Pints

Automatic Transmission Capacity:

Total Capacity: 11-1/2 Quarts

Oil Pan Only: 3-1/2 Quarts

Rear Axle Capacity:

8-1/2" Axle: 4-1/4 Pints

8-7/8" Axle: 5-1/4 Pints

9-3/8" Axle: 5-1/2 Pints


* Add 1 Quart for Oil Filter.



Tune-Up Data, 6 Cylinder, 250 Cu. In. Engine:


Spark Plug Type: AC R46T

Spark Plug Gap: .035"

Ignition Point Gap: .019"

Distributor Cam Angle: 31-34 Degrees

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

Ignition Timing Mark & Location: 6 Degrees BTDC, on Pulley

Engine Idle Speed:

Manual Transmission: 700 RPM

Automatic Transmission: 600 RPM, in Drive






Tune-Up Data, 8 Cylinder, 350 Cu. In. Engine:


Spark Plug Type: AC R45TS

Spark Plug Gap: .040"

Ignition Point Gap: .016" (Turn Screw in until engine misfires, then back off 1/2 turn.)

Distributor Cam Angle: 30 Degrees

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

Ignition Timing Mark & Location: 4 Degrees BTDC

Engine Idle Speed:

Manual Transmission: 800 RPM

Automatic Transmission: 650 RPM, in Drive




Tune-Up Data, 8 Cylinder, 455 Cu. In. Engine:


Spark Plug Type: AC R45TS

Spark Plug Gap: .040"

Ignition Point Gap: .016" (Turn Screw in until engine misfires, then back off 1/2 turn.)

Distributor Cam Angle: 30 Degrees

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

Ignition Timing Mark & Location: 4 Degrees BTDC

Engine Idle Speed:

Manual Transmission: 900 RPM

Automatic Transmission: 650 RPM, in Drive



Valve Data, 6 Cylinder 250 Cu. In. Engine:


Valve Lash: 1 Turn

Valve Seat Angle:

Seat: 46 Degrees

Face: 45 Degrees

Valve Spring Height, Installed: 1.66"

Minimum Valve Spring Pressure: 186 Pounds @ 1.27"

Valve Stem Clearance:

Intake: Tapered .001"-.0027"

Exhaust: Tapered .001"-.0027"

Valve Stem Diameter:

Intake: Tapered .3410"-.3417"

Exhaust: Tapered .3410-.3417"






Valve Data, 8 Cylinder 350 Cu. In. Engines:


Valve Lash: Hydralic

Valve Seat Angle:

Seat: 45 Degrees

Face: 45 Degrees

Valve Spring Height, Installed: 1.72"

Minimum Valve Spring Pressure: 180 Pounds @ 1.34"

Valve Stem Clearance:

Intake: Tapered .0015"-.0035"

Exhaust: Tapered .0015"-.0032"

Valve Stem Diameter:

Intake: Tapered .3720"-.3730"

Exhaust: Tapered .3723"-.3730"




Valve Data, 8 Cylinder 455 Cu. In. Engine:


Valve Lash: Hydralic

Valve Seat Angle:

Seat: 45 Degrees

Face: 45 Degrees

Valve Spring Height, Installed: 1.89"

Minimum Valve Spring Pressure: 177 Pounds @ 1.45"

Valve Stem Clearance:

Intake: Tapered .0015"-.0035"

Exhaust: Tapered .0015"-.0032"

Valve Stem Diameter:

Intake: Tapered .3720"-.3730"

Exhaust: Tapered .3723-.3730"




Piston, Pins, Rings, Crankshaft, & Bearings, 250 Cu. In. I-6 Engine:


Piston Clearance: .0005"-.0015"

Ring End Gap:

Compression: .010"

Oil Control: .015"

Wrist Pin Diameter: .927"

Rod Bearings:

Shaft Diameter: 1.999"-2.000""

Rod Bearing Clearance: .0007"-.0027"

Main Bearings:

Shaft Diameter: 2.3004"

Main Bearing Clearance: .0003"-.0029"

Thrust on Bearing #7

Shaft End Play: .002"-.006"






Piston, Pins, Rings, Crankshaft, & Bearings, 350 Cu. In. V-8 Engines:


Piston Clearance: .0008"-.0020"

Ring End Gap:

Compression: .010"

Oil Control: .015"

Wrist Pin Diameter: .9393"

Rod Bearings:

Shaft Diameter: 2.000""

Rod Bearing Clearance: .0002"-.0023"

Main Bearings:

Shaft Diameter: 2.9995"

Main Bearing Clearance: .0004"-.0015"

Thrust on Bearing #3

Shaft End Play: .003"-.009"



Piston, Pins, Rings, Crankshaft, & Bearings, 455 Cu. In. V-8 Engine:


Piston Clearance: .0010"-.0016"

Ring End Gap:

Compression: .013"

Oil Control: .015"

Wrist Pin Diameter: .9993"

Rod Bearings:

Shaft Diameter: 2.249"-2.250"

Rod Bearing Clearance: .0002"-.0023"

Main Bearings:

Shaft Diameter: 3.250"

Main Bearing Clearance: .0007"-.0018"

Thrust on Bearing #3

Shaft End Play: .003"-.009"



Engine Tightening Specifications, 250 Cu. In. I-6 Engines:


Spark Plugs: 15 Ft. Lbs.

Cylinder Head Bolts: 95 Ft. Lbs.

Intake Manifold: 35 Ft. Lbs.

Exhaust Manifold: 30 Ft. Lbs.

Rocker Arm Cover: 4 Ft. Lbs.

Connecting Rod Cap Bolts: 35 Ft. Lbs.

Main Bearing Cap Bolts: 65 Ft. Lbs.

Flywheel to Crankshaft: 60 Ft. Lbs.

Vibration Damper or Pulley: Pressed On







Engine Tightening Specifications, 350 Cu. In. V-8 Engines:


Spark Plugs: 15 Ft. Lbs.

Cylinder Head Bolts: 80 Ft. Lbs.

Intake Manifold: 55 Ft. Lbs.

Exhaust Manifold: 18 Ft. Lbs.

Rocker Arm Shaft Bracket: 30 Ft. Lbs.

Rocker Arm Cover: 4 Ft. Lbs.

Connecting Rod Cap Bolts: 35 Ft. Lbs.

Main Bearing Cap Bolts: 115 Ft. Lbs.

Flywheel to Crankshaft: 60 Ft. Lbs.

Vibration Damper or Pulley: 140 Lbs (Minimum)



Engine Tightening Specifications, 455 Cu. In. V-8 Engine:


Spark Plugs: 15 Ft. Lbs.

Cylinder Head Bolts: 100 Ft. Lbs.

Intake Manifold: 65 Ft. Lbs.

Exhaust Manifold: 18 Ft. Lbs.

Rocker Arm Shaft Bracket: 30 Ft. Lbs.

Rocker Arm Cover: 4 Ft. Lbs.

Connecting Rod Cap Bolts: 45 Ft. Lbs.

Main Bearing Cap Bolts: 115 Ft. Lbs.

Flywheel to Crankshaft: 60 Ft. Lbs.

Vibration Damper or Pulley: 200. Lbs (Minimum)



Delco-Remy Distributor Specifications:


Distributor # 1112016

Advance Starts: 0 to 1 Degrees @ 350 RPM

Intermediate Advance: 4-1/2 to 6-1/2 Degrees @ 900 RPM

Full Advance: 12 Degrees @ 2,300 RPM

Maximum Advance:

Vacuum to Start Plunger: 6 to 8" Vacuum

Maximum Advance: 9 Degrees @ 16" Vacuum


Distributor # 1112109

Advance Starts: 0 Degrees @ 375 RPM

Intermediate Advance: 5-1/2 to 7-1/2 Degrees @ 900 RPM

Full Advance: 9 Degrees @ 1,500 RPM

Maximum Advance:

Vacuum to Start Plunger: 6 to 8" Vacuum

Maximum Advance: 9 Degrees @ 16" Vacuum


Distributor # 1112110

Advance Starts: 0 Degrees @ 375 RPM

Intermediate Advance: 6 to 8 Degrees @ 1,050 RPM

Full Advance: 10 Degrees @ 1,500 RPM

Maximum Advance:

Vacuum to Start Plunger: 6.5 to 8.5" Vacuum

Maximum Advance: 9.5 Degrees @ 13" Vacuum


Distributor # 1110499

Advance Starts: 0 Degrees @ 550 RPM

Intermediate Advance: 7 Degrees @ 1,150 RPM

Full Advance: 11-1/2 Degrees @ 2,100 RPM

Maximum Advance:

Vacuum to Start Plunger: 6" Vacuum

Maximum Advance: 11 Degrees @ 14" Vacuum



Above listed distributors are for all models of Buick including those not included those not covered on this disk. Refer to the distributor number on your engine.




Delco-Remy Alternator & Regulator Specifications, All Series:


Alternator # 1100497

Rated Output: 37 Amperes

Field Current: 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes

Cold Output @ 14 Volts

600 RPM: 13 Amperes

5,000 RPM: 37 Amperes

Regulator: Integral

Voltage @ 125 Degrees: 13.5 to 14.5 Volts


Alternator # 1100925

Rated Output: 63 Amperes

Field Current: 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes

Cold Output @ 14 Volts

600 RPM: 36 Amperes

5,000 RPM: 58 Amperes

Regulator: Integral

Voltage @ 125 Degrees: 13.5 to 14.5 Volts



Alternator # 1100926

Rated Output: 42 Amperes

Field Current: 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes

Cold Output @ 14 Volts

600 RPM: 15 Amperes

5,000 RPM: 37 Amperes

Regulator: Integral

Voltage @ 125 Degrees: 13.5 to 14.5 Volts



Alternator # 1100946

Rated Output: 55 Amperes

Field Current: 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes

Cold Output @ 14 Volts

600 RPM: 19 Amperes

5,000 RPM: 50 Amperes

Regulator: Integral

Voltage @ 125 Degrees: 13.5 to 14.5 Volts



Alternator # 1100947

Rated Output: 37 Amperes

Field Current: 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes

Cold Output @ 14 Volts

600 RPM: 12 Amperes

5,000 RPM: 32 Amperes

Regulator: Integral

Voltage @ 125 Degrees: 13.5 to 14.5 Volts



Alternator # 1100948

Rated Output: 61 Amperes

Field Current: 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes

Cold Output @ 14 Volts

600 RPM: 24 Amperes

5,000 RPM: 55 Amperes

Regulator: Integral

Voltage @ 125 Degrees: 13.5 to 14.5 Volts




Alternator # 1101018

Rated Output: 80 Amperes

Field Current: 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes

Cold Output @ 14 Volts

600 RPM: 40 Amperes

5,000 RPM: 74 Amperes

Regulator: Integral

Voltage @ 125 Degrees: 13.5 to 14.5 Volts

Note: The above alternators incude all series Buicks, including full sized models.



Delco-Remy Starting Motor Specifications, 250 Cu. In. I-6 Engine:


Starter # 1108365

Brush Spring Tension: 35 Ounces

No Load Test: 50-80 Amperes, 9 Volts @ 5,500 to 10,500 RPM




Delco-Remy Starting Motor Specifications, 350 Cu. In. V-8 Engine:


Starter # 1108391

Brush Spring Tension: 35 Ounces

No Load Test: 80 Amperes, 9 Volts @ 3,500 to 6,000 RPM


Starter # 11083503

Brush Spring Tension: 35 Ounces

No Load Test: 55-80 Amperes, 9 Volts @ 3,500 to 6,000 RPM





Delco-Remy Starting Motor Specifications, 455 Cu. In. V-8 Engine:


Starter # 1108392

Brush Spring Tension: 35 Ounces

No Load Test: 45-80 Amperes, 9 Volts @ 4,000 to 6,500 RPM






Rear Axle Data, All Series, Except Apollo:


Carrier Type: Integral

Ring Gear & Pinion Backlash:

Method: Shim

Adjustment: .006"-.008"

Pinion Bearing Preload:

Method: Spacer

Adjustment:

New Bearings: 20-25 Inch Lbs.

Used Bearings: 10-15 Inch Lbs.

Differential Bearing Preload:

Method: Shim

Adjustment:

New Bearings: 35-40 Inch Lbs.

Used Bearings: 20-25 Inch Lbs.


Rear Axle Data, Apollo:


Carrier Type: Integral

Ring Gear & Pinion Backlash:

Method: Shim

Adjustment: .005"-.008"

Pinion Bearing Preload:

Method: Spacer

Adjustment:

New Bearings: 15-30 Inch Lbs.

Used Bearings: 5-10 Inch Lbs.

Differential Bearing Preload:

Method: Shim

Adjustment:

New Bearings: .010 Inch Lbs.

Used Bearings: .010 Inch Lbs.




Brake Specifications:


Century, Luxus, & Regal:

Brake Drum Diameter: 9.495"-9.505"

Wheel Cylinder Bore:

Front Disc Brakes: 2-15/16"

Rear Drum Brakes: 7/8"

Master Cylinder Bore:

Disc Brakes: 1-1/8"

Power Brakes: 1-1/8"


Century Wagon:

Brake Drum Diameter: 10.997"-11.007"

Wheel Cylinder Bore:

Front Disc Brakes: 2-15/16"

Rear Drum Brakes: 15/16"

Master Cylinder Bore:

Disc Brakes: 1-1/8"

Power Brakes: 1-1/8"



Apollo:

Brake Drum Diameter: 9.50"

Wheel Cylinder Bore:

Front Disc Brakes: 2-15/16"

Front Drum Brakes: 1-1/8"

Rear Drum Brakes: 7/8"

Master Cylinder Bore:

Disc Brakes: 1-1/8"

Drum Brakes: 1"

Power Drum Brakes: 1"

Power Disc Brakes: 1-1/8"



Wheel Alignment Data, Century, Luxus, & Regal, with Manual Steering, and All Station Wagons,:

Caster: - 1 Degrees

Camber:

Left: + 1 Degrees

Right: + 1/2 Degrees

Toe In: 0 to 1/8"

Toe Out on Turns:

Outer Wheel:

Right Turn: 19-3/16 Degrees

Left Turn: 18-13/16 Degrees

Inner Wheel: 20 Degrees



Wheel Alignment Data, Century, Luxus, & Regal, with Power Steering, Except Station Wagons:

Caster: 0 Degrees

Camber:

Left: + 1 Degrees

Right: + 1/2 Degrees

Toe In: 0 to 1/8"

Toe Out on Turns:

Outer Wheel:

Right Turn: 19 Degrees

Left Turn: 18-11/16 Degrees

Inner Wheel: 20 Degrees



Wheel Alignment Data, Apollo:

Caster: + 1/2 Degrees

Camber:

Left: + 1/4 Degrees

Right: + 1/4 Degrees

Toe In: 1/8 to 1/4"




Rochester Carburetor Specifications:


Carburetor Type: 2GC & 2GV


Part #: 7043142

Float Level: 15/32"

Float Drop: 1-9/32"

Pump Rod: 1-15/32"

Vacuum Break: .140"

Choke Rod: .080"

Choke Unloader: .180"


Part #: 7043143

Float Level: 15/32"

Float Drop: 1-9/32"

Pump Rod: 1-15/32"

Vacuum Break: .150"

Choke Rod: .080"

Choke Unloader: .200"


Part #: 7043144

Float Level: 15/32"

Float Drop: 1-9/32"

Pump Rod: 1-15/32"

Vacuum Break: .140"

Choke Rod: .080"

Choke Unloader: .180"




Carburetor Type: Quadrajet 4MC & 4MV


Part #: 7043240

Float Level: 13/32"

Pump Rod Hole: Inner Hole

Pump Rod Adjustment: 1/4"

Choke Rod: .130"

Vacuum Break: .215"

Air Valve Dashpot: .030"

Choke Unloader: .325"

Air Valve Lockout: .015"

Secondary Metering Rods: 53/64"

Air Valve/Valve Spring Windup: 7/16"



Part #: 7043242

Float Level: 13/32"

Pump Rod Hole: Inner Hole

Pump Rod Adjustment: 7/16"

Choke Rod: .130"

Vacuum Break: .200"

Air Valve Dashpot: .030"

Choke Unloader: .335"

Air Valve Lockout: .015"

Secondary Metering Rods: 53/64"

Air Valve/Valve Spring Windup: 7/16"



Part #: 7043243

Float Level: 13/32"

Pump Rod Hole: Inner Hole

Pump Rod Adjustment: 7/16"

Choke Rod: .130"

Vacuum Break: .215"

Air Valve Dashpot: .030"

Choke Unloader: .325"

Air Valve Lockout: .015"

Secondary Metering Rods: 53/64"

Air Valve/Valve Spring Windup: 7/16"



Part #: 7043244

Float Level: 15/32"

Pump Rod Hole: Outer Hole

Pump Rod Adjustment: 3/8"

Choke Rod: .130"

Vacuum Break: .170"

Air Valve Dashpot: .030"

Choke Unloader: .335"

Air Valve Lockout: .015"

Secondary Metering Rods: 53/64"

Air Valve/Valve Spring Windup: 11/16"



Part #: 7043245

Float Level: 15/32"

Pump Rod Hole: Inner Hole

Pump Rod Adjustment: 3/8"

Choke Rod: .130"

Vacuum Break: .170"

Air Valve Dashpot: .030"

Choke Unloader: .335"

Air Valve Lockout: .015"

Secondary Metering Rods: 53/64"

Air Valve/Valve Spring Windup: 11/16"




Part #: 7043246

Float Level: 15/32"

Pump Rod Hole: Outer Hole

Pump Rod Adjustment: 3/8"

Choke Rod: .130"

Vacuum Break: .170"

Air Valve Dashpot: .030"

Choke Unloader: .325"

Air Valve Lockout: .015"

Secondary Metering Rods: 53/64"

Air Valve/Valve Spring Windup: 11/16"


Rochester Monojet, M & MV:


Part #: 7043014

Float Level: 1/4"

Metering Rod: .080"

Choke Rod: .245"

Vacuum Brak: .300"

Unloader: .500"

Fast Idle Speed: 1,800 RPM


Part #: 7043017

Float Level: 11/32"

Metering Rod: .080"

Choke Rod: .275"

Vacuum Brake: .350"

Unloader: .500"

Fast Idle Speed: 1,800 RPM


Note: All Buick Carburetors for 1973 are listed including those for Full Sized Buick Models.




1973 Buick Paint Codes & Colors:


11 Arctic White

19 Regal Black

24 Medium Blue

26 Mediterranean Blue

29 Midnight Blue

42 Jade Green

44 Willow Green

46 Green-Gold

48 Midnight Green

51 Apollo Yellow

54* Autumn Gold

56 Colonial White

60 Harvest Gold

67* Midnight Gray

68 Brown

74 Burgundy

75 Apollo Red

81 Bamboo Cream

97 Apollo Orange

99 Gall Bladder Green


* Riviera Colors






Popular Options:


AM-FM Stereo Radio; AM-FM Stereo Radio with 8 Track Tape Player; Power Windows; Power Seat; Vinyl Top; Gran Sport Package for Century; Stage I Option for Century; Sun Roof; Air Conditioning; Disc Brakes; Max-Trac Differential; Engine Options.



1973 Buick Historical Data:

1973 Buick Model Year Production for Buick Apollo, Century, Luxus, & Regal: 331,264.

Total Buick Production including, GS, Skylark, and Full Sized Models: 821,165.





Promotional Model Cars Available:


None.



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