1956 BUICK
Models:
Buick Special, Series 40, 8 Cylinder
Buick Super, Series 50, 8 Cylinder
Buick Century, Series 60, 8 Cylinder
Buick Roadmaster, Series 70, 8 Cylinder
Buick Special, Series 40, 8 Cylinder:
Body Data & Pricing:
4 Door Sedan, 6 Passenger, Model 41, Body #56-4469
Base Price: $2,416; Shipping Weight: 3,790 Pounds; Production Total: 66,977
4 Door Hardtop, 6 Passenger, Model 43, Body #56-4439
Base Price: $2,528; Shipping Weight: 3,860 Pounds; Production Total: 91,025
2 Door Sedan, 6 Passenger, Model 48, Body #56-4411
Base Price: $2,357; Shipping Weight: 3,750 Pounds; Production Total: 38,672
2 Door Hardtop Coupe, 6 Passenger, Model 46R, Body #56-4437
Base Price: $2,457; Shipping Weight: 3,775 Pounds; Production Total: 113,861
2 Door Convertible Coupe, 6 Passenger, Model 46C, Body #56-4467
Base Price: $2,740; Shipping Weight: 3,880 Pounds; Production Total: 9,712
4 Door Station Wagon, 6 Passenger, Model 49, Body #56-4481
Base Price: $2,775; Shipping Weight: 3,945 Pounds; Production Total: 13,770
Total Series Production: 334,017.
Buick Super, Series 50, 8 Cylinder
Body Data & Pricing:
4 Door Sedan, 6 Passenger, Model 52, Body #56-4569
Base Price: $3,250; Shipping Weight: 4,200 Pounds; Production Total: 14,940
4 Door Hardtop, 6 Passenger, Model 53, Body #56-4539
Base Price: $3,340; Shipping Weight: 4,265 Pounds; Production Total: 34,029
2 Door Hardtop Coupe, 6 Passenger, Model 56R, Body #56-4537
Base Price: $3,204; Shipping Weight: 4,140 Pounds; Production Total: 29,540
2 Door Convertible Coupe, 6 Passenger, Model 56C, Body #56-4567
Base Price: $3,544; Shipping Weight: 4,340 Pounds; Production Total: 2,489
Total Series Production: 80,998.
Buick Century, Series 60, 8 Cylinder:
Body Data & Pricing:
4 Door Hardtop, 6 Passenger, Model 63, Body #56-4639
Base Price: $3,025; Shipping Weight: 4,000 Pounds; Production Total: 20,891
4 Door Hardtop, 6 Passenger, Model 63D, Body #56-4639D
Base Price: $3,041; Shipping Weight: 4,000 Pounds; Production Total: 35,082
2 Door Hardtop Coupe, 6 Passenger, Model 66R, Body #56-4637
Base Price: $2,963; Shipping Weight: 3,890 Pounds; Production Total: 33,334
2 Door Convertible Coupe, 6 Passenger, Model 66C, Body #56-4667X
Base Price: $3,306; Shipping Weight: 4,045 Pounds; Production Total: 4,721
4 Door Station Wagon, 6 Passenger, Model 69, Body #56-4681
Base Price: $3,356; Shipping Weight: 4,080 Pounds; Production Total: 8,160
Total Series Production: 102,188.
Buick Roadmaster, Series 70, 8 Cylinder
Body Data & Pricing:
4 Door Sedan, 6 Passenger, Model 72, Body #56-4769
Base Price: $3,503; Shipping Weight: 4,280 Pounds; Production Total: 11,804
4 Door Hardtop, 6 Passenger, Model 73, Body #56-4739
Base Price: $3,692; Shipping Weight: 4,355 Pounds; Production Total: 24,770
2 Door Hardtop, 6 Passenger, Model 76R, Body #56-4737
Base Price: $3,591; Shipping Weight: 4,235 Pounds; Production Total: 12,490
2 Door Convertible Coupe, 6 Passenger, Model 76C, Body #56-4767
Base Price: $3,704; Shipping Weight: 4,395 Pounds; Production Total: 4,354
Total Series Production: 53,418
Major Specifications, Buick Special, Model 40:
Wheelbase: 122",
Engine Type: Overhead Valve V-Type 8 Cylinder
Engine Bore & Stroke: 4" X 3.2"
Engine Displacement: 322.0 Cu. In.
Compression Ratio: 8.9:1
Taxable Horsepower: 51.20
Horsepower: 220 @ 4,400 RPM
Torque: 319 Ft. Lbs. @ 2,400 RPM
Normal Oil Pressure: 35 PSI
Tire Size: 7.10 X 15 Inches
Major Specifications, Buick Super, Series 50
Wheelbase: 127
Engine Type: Overhead Valve V-Type 8 Cylinder
Engine Bore & Stroke: 4" X 3.2"
Engine Displacement: 322.0 Cu. In.
Compression Ratio: 9.5:1
Taxable Horsepower: 51.20
Horsepower: 255 @ 4,400 RPM
Torque: 341 Ft. Lbs. @ 3,200 RPM
Normal Oil Pressure: 35 PSI
Tire Size: 7.60 X 15 Inches
Major Specifications, Buick Century, Series 60
Wheelbase: 122
Engine Type: Overhead Valve V-Type 8 Cylinder
Engine Bore & Stroke: 4" X 3.2"
Engine Displacement: 322.0 Cu. In.
Compression Ratio: 9.5:1
Taxable Horsepower: 51.20
Horsepower: 255 @ 4,400 RPM
Torque: 341 Ft. Lbs. @ 3,200 RPM
Normal Oil Pressure: 35 PSI
Tire Size: 7.60 X 15 Inches
Major Specifications, Buick Roadmaster, Model 70
Wheelbase: 127"
Engine Type: Overhead Valve V-Type, 8 Cylinder
Engine Bore & Stroke: 4" X 3.2"
Engine Displacement: 322.0 Cu. In.
Compression Ratio: 9.5:1
Taxable Horsepower: 51.20
Horsepower: 255 @ 4,400 RPM
Torque: 341 Ft. Lbs. @ 3,200 RPM
Normal Oil Pressure: 35 PSI
Tire Size: 8.00 X 15 Inches
Capacities, All Series:
Cooling System:
Without Heater: 17-1/2 Quarts
With Heater19
Radiator Cap Pressure: 7 PSI (13 PSI with Air Conditioning)
Fuel Tank: 19 Gallons
Engine Oil: 6 Quarts
Manual Transmission Capacity: 2-1/2 Pints
Dynaflow Transmission Capacity: 10-1/2 Quarts
Rear Axle Capacity: 6 Pints
Tune-Up Data, All Series:
Ground Polarity: Negative, 12 Volts
Spark Plug Type: AC 44, or equivalent
Spark Plug Gap: .032"
Ignition Point Gap: .016"
Distributor Cam Angle: 26-33 Degrees
Firing Order: 1-2-7-8-4-5-6-3
Ignition Timing Mark & Location: Timining Mark Aligned with"5" on Indicator Located on Damper
Engine Idle Speed: 450 RPM
Cylinder Head Tension: 65-75 Ft Lbs
Compression Pressure @ Cranking Speed: 170 PSI
Valve Data, Standard Transmission:
Tappet Clearance:
Intake: Zero
Exhaust: Zero
Valve Seat Angle: 45 Degrees
Valve Timing:
Intake Valve Opens: 25 Degrees BTDC
Exhaust Valve Closes: 42 Degrees ATDC
Minimum Valve Spring Pressure (New Spring):
Inner Spring: 61 Pounds @ 1.15"
Outer Spring: 94 Pounds @ 1.12"
Valve Lift @ Zero Lash::
Intake: .378"
Exhaust: .378"
Valve Stem Clearance:
Intake: .0025"
Exhaust: .0035"
Valve Stem Diameter:
Intake: .3720"
Exhaust: .3710"
Valve Data, Dynaflow Transmission:
Tappet Clearance:
Intake: Zero
Exhaust: Zero
Valve Seat Angle: 45 Degrees
Valve Timing:
Intake Valve Opens: 30 Degrees BTDC
Exhaust Valve Closes: 44 Degrees ATDC
Minimum Valve Spring Pressure (New Springs):
Inner Spring: 61 Pounds @ 1.15"
Outer Spring: 94 Pounds @ 1.12"
Valve Lift @ Zero Lash::
Intake: .378"
Exhaust: .378"
Valve Stem Clearance:
Intake: .0025:
Exhaust: .0035"
Valve Stem Diameter:
Intake: .3720"
Exhaust: .3710"
Piston, Pins, Rings, Crankshaft, & Bearings, All Series:
Fitting Pistons:
Shim Thickness to Use: .003"
Pounds Pull on Scale: 7-13
Ring End Gap:
Compression: .010"
Oil Control: .015"
Wrist Pin Diameter: .940"
Rod Bearings:
Shaft Diameter: 2.249"-2.250"
Rod Bearing Clearance: .0002"-.002"
Rod Bolt Torque: 40-45 Ft. Lbs.
Main Bearings:
Shaft Diameter: 2.498"-2.499"
Main Bearing Clearance: .0005"-.0025"
Main Bolt Torque: 100-110 Ft. Lbs.
Delco-Remy Distributor Specifications, All Series:
Distributor # 1110861
Rotation: Clockwise
Cam Angle: 26-33 Degrees
Point Opening: .016"
Condensor Capacity: .18-.23 Mfds
Breker Arm Spring Tension: 19-23 Ounces
Centrifugal Advance Data:
Advance Starts: 1 Degree @ 375 RPM
Full Advance: 12 Degrees @ 1,750 RPM
Vacuum Advance Data
Inches of Vacuum to Start Plunger Movement: 6.5 to 8.5
Inches of Vacuum for Full Plunger Travel: 12 to14
Maximum Vacuum Advance: 9 to 10-1/2 Degrees
Delco-Remy Generator & Regulator Specifications, All Series:
Generator # 1102008
Direction of Rotation: Clockwise
Ground Polarity: Negative
Generator Output: 30 Amperes @ 2,150 RPM
Brush Spring Tension 28 Ounces
Field Current: 1.48 to 1.62 Amperes
Regulator #: 1119003
Cutout Relay:
Voltage to Close Points: 12.6 Volts
Armature Air Gap: .020"
Voltage Regulator Setting: 14.3 Volts
Current Regulator Setting: 30 Amperes
Current & Voltage Armature Air Gap: .075"
Generator # 1102053
Direction of Rotation: Clockwise
Ground Polarity: Negative
Generator Output: 35 Amperes @ 2,500 RPM
Brush Spring Tension 28 Ounces
Field Current: 1.62 to 1.82 Amperes
Regulator #: 1119162
Cutout Relay:
Voltage to Close Points: 12.6 Volts
Armature Air Gap: .020"
Voltage Regulator Setting: 14.3 Volts
Current Regulator Setting: 34 Amperes
Current & Voltage Armature Air Gap: .075"
Generator # 1102051
Direction of Rotation: Clockwise
Ground Polarity: Negative
Generator Output: 35 Amperes @ 2,500 RPM
Brush Spring Tension 28 Ounces
Field Current: 1.62 to 1.82 Amperes
Regulator #: 1119162
Cutout Relay:
Voltage to Close Points: 12.6 Volts
Armature Air Gap: .020"
Voltage Regulator Setting: 14.3 Volts
Current Regulator Setting: 34 Amperes
Current & Voltage Armature Air Gap: .075"
Delco-Remy Starting Motor Specifications, All Series:
Starter # 1107646
Rotation: Clockwise
Brush Spring Tension: 35 Ounces
No Load Test: 95 Amperes, 10.1 Volts @ 3,500 RPM
Torque Test: 470 Amperes, 5.4 Volts; Torque: 10.5 Ft Lbs
Rear Axle & Brake Data, All Series:
Ring Gear & Pinion Backlash: .007" to .009"
Drive Pinion Adjustment: Shims
Drive Pinion Bearing Adjustment: Spacers
Axle Shaft End Play: .005" to .020"
Wheel Cylinder Bore:
Front: 1-1/8"
Rear: 1"
Master Cylinder Bore:
Standard Brakes: 17/32"
Power Brakes: 21/32"
Wheel Alignment Data, All Series:
Caster: -1/2 Degrees
Camber: +3/8 Degrees
Toe In: 1/16" to 1/8"
Toe Out on Turns:
Outer Wheel: 20 Degrees
Inner Wheel: 21-3/4 to 23-1/4 Degrees
Kingpin Inclination: 7 Degrees +7/8 Camber
Stromberg Carburetor Adjustments:
Carburetor Type: WW
Code #: 7-103
Fuel Level: 5/8"
Float Setting: 3/16"
Start Aid Setting: #53 Drill
Wide Open Kick Setting: #27 Drill
Choke or Vacuum Kick Setting: Index
Fast Idle Speed Setting: #48 Drill
Choke Positioning Spring Setting: #21 Drill
Pump Travel Setting: 3/8"-13/32"
Starting Switch Setting: 17/64 Drill Gauge with Test Lamp On.
Carburetor Type: WW
Code #: 7-105B
Fuel Level: 5/8"
Float Setting: 3/16"
Start Aid Setting: #53 Drill
Wide Open Kick Setting: #27 Drill
Choke or Vacuum Kick Setting: Index
Fast Idle Speed Setting: #48 Drill
Choke Positioning Spring Setting: #21 Drill
Pump Travel Setting: 15/16"-31/32"
Starting Switch Setting: 17/64 Drill Gauge with Test Lamp On.
Rochester Carburetor Specifications:
Carburetor Type: 4GC
Part #: 7009200, 7009900,
Float Level: 1-35/64"
Float Drop: 2-1/4"
Idle Screw Setting: 1-1/4 Turns to Open
Choke Setting: Index
Pump Rod: 1-3/32"
Fast Idle Setting: .024"
Choke Rod: .140"
Choke Unloader: .115"
Secondary Throttle Lockout: .015"
Secondary Throttle Contour Clearance: .030"
Carter Carburetor Specifications:
Carburetor Model #WCFB
Carburetor Part # 2347S
Idle Screw Setting, 3/4 to 1-3/4 Turns to Open
Float Level:
Primary: 3/16"
Secondary: 3/16"
Float Drop:
Primary: 11/16"
Secondary: 11/16"
Pump Adjustment: Outer Hole, Long Stroke
Fast Idle Setting: .020"
Unloader Adjustment: 5/32"
Automatic Choke Setting: 1 Lean
Carburetor Model #WGD
Carburetor Part # 2378S
Float Level: 1/4"
Idle Screw Setting, 3/4 to 1-3/4 Turns to Open
Choke Lever Clearance: .020"
Fast Idle Throttle Clearance: .015"
Unloader Choke Valve Clearance: 5/32"
Automatic Choke Setting: Index
Starter Switch Setting: 31/64" to 11/16"
Carburetor Model #WGD
Carburetor Part # 2400S
Float Level: 1/4"
Idle Screw Setting, 1/2 to 1-1/2 Turns to Open
Choke Lever Clearance: .020"
Fast Idle Throttle Clearance: .015"
Unloader Choke Valve Clearance: 5/32"
Automatic Choke Setting: Index
Starter Switch Setting: 31/64" to 11/16"
Popular Options, All Series:
Sonomatic Radio; Selectronic Radio; Power Antenna; Rear Seat Speaker (except Convertibles & Station Wagons); Electric Clock; License Plate Frames; Vent Shades; Tissue Dispenser, Vanity Visor Mirror; Air Conditioning; Power Windows; 6-Way Power Seat; Padded Instrument Panel; Seat Belts; Full WheelCovers; Wire Spoke Wheels; Power Brakes; Power Steering; Gas Door Guard; Windshield Washer; Trunk Light, Spot Light; Dynaflow Transmission on series 40, 50, & 60.
1956 Buick Paint Codes & Colors:
56A Carlsbad Black
56B Castle Gray
56C Dover White
56D Electric Blue
56E Bedford Blue
56F Cadet Blue
56G Cambridge
56H Laurel Green
56J Foam Green
56K Glacier Green
56L Claret Red
56M Seminole Red
56N Tahiti Coral
56P Cameo Beige
56R Harvest Yellow
56T Bittersweet
56U Apricot
1956 Buick Historical Data:
1956 Buick Model Year Production: 570,621.
Promotional Model Cars Available:
Metal: 4 Door Hardtop
Plastic: Roadmaster 4 Door Hardtop & Century Convertible
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