1958 BUICK

Models:

Buick Special, Series 40, 8 Cylinder

Buick Super, Series 50, 8 Cylinder

Buick Century, Series 60, 8 Cylinder

Buick Roadmaster, Series 75, 8 Cylinder

Buick Limited, Series 700, 8 Cylinder

Buick Special, Series 40, 8 Cylinder:

Body Data & Pricing:

4 Door Sedan, 6 Passenger, Model 41, Body #584469

Base Price: $2,700; Shipping Weight: 4,115 Pounds; Production Total: 48,238

4 Door Hardtop, 6 Passenger, Model 43, Body #584439

Base Price: $2,820; Shipping Weight: 4,180 Pounds; Production Total: 31,921

2 Door Sedan, 6 Passenger, Model 48, Body #584411

Base Price: $2,636; Shipping Weight: 4,063 Pounds; Production Total: 11,566

2 Door Hardtop Coupe, 6 Passenger, Model 46R, Body #84437

Base Price: $2,744; Shipping Weight: 4,058 Pounds; Production Total: 64,425

2 Door Convertible Coupe, 6 Passenger, Model 46C, Body #584467

Base Price: $3,041; Shipping Weight: 4,165 Pounds; Production Total: 5,502

4 Door Station Wagon, 6 Passenger, Model 49, Body #584481

Base Price: $3,047; Shipping Weight: 4,292 Pounds; Production Total: 7,013

4 Door Station Wagon, 6 Passenger, Model 49D, Body #584482

Base Price: $3,145; Shipping Weight: 4,396 Pounds; Production Total: 3,663

Total Series Production: 139,213.

Buick Super, Series 50, 8 Cylinder

Body Data & Pricing:

4 Door Hardtop, 6 Passenger, Model 53, Body #584539

Base Price: $3,789; Shipping Weight: 4,500 Pounds; Production Total: 28,460

2 Door Hardtop Coupe, 6 Passenger, Model 56R, Body #584537

Base Price: $3,644; Shipping Weight: 4,392 Pounds; Production Total: 13,928

Total Series Production: 42,388.

Buick Century, Series 60, 8 Cylinder:

Body Data & Pricing:

4 Door Sedan, 6 Passenger, Model 61, Body #584669

Base Price: $3,316; Shipping Weight: 4,241 Pounds; Production Total: 7,421

4 Door Hardtop, 6 Passenger, Model 63, Body #584639

Base Price: $3,436; Shipping Weight: 4,267 Pounds; Production Total: 15,171

2 Door Hardtop Coupe, 6 Passenger, Model 66R, Body #584637

Base Price: $3,368; Shipping Weight: 4,182 Pounds; Production Total: 8,110

2 Door Convertible Coupe, 6 Passenger, Model 66C, Body #584667X

Base Price: $3,680; Shipping Weight: 4,302 Pounds; Production Total: 2,588

4 Door Station Wagon, 6 Passenger, Model 69, Body #584682

Base Price: $3,831; Shipping Weight: 4,498 Pounds; Production Total: 4,456

2 Door Sedan, 6 Passenger, Model 68, Body # N/A

Base Price: For Export; Shipping Weight: 4,189 Pounds; Production Total: 2

Total Series Production: 37,568.

Buick Roadmaster, Series 75, 8 Cylinder

Body Data & Pricing:

4 Door Hardtop, 6 Passenger, Model 75, Body #584739X

Base Price: $4,667; Shipping Weight: 4,468 Pounds; Production Total: 10,505

2 Door Hardtop, 6 Passenger, Model 75R, Body #584737X

Base Price: $4,557; Shipping Weight: 4,568 Pounds; Production Total: 2,368

2 Door Convertible Coupe, 6 Passenger, Model 75C, Body #584767X

Base Price: $4,680; Shipping Weight: 4,676 Pounds; Production Total: 1,181

Total Series Production: 14,054

Buick Limited, Series 80, 8 Cylinder

Body Data & Pricing:

4 Door Hardtop, 6 Passenger, Model 750, Body #584839X

Base Price: $5,112; Shipping Weight: 4,710 Pounds; Production Total: 5,571

2 Door Hardtop, 6 Passenger, Model 755, Body #584847X

Base Price: $5,002; Shipping Weight: 4,691 Pounds; Production Total: 1,026

2 Door Convertible Coupe, 6 Passenger, Model 756, Body #584867X

Base Price: $5,125; Shipping Weight: 4,603 Pounds; Production Total: 839

Total Series Production: 7,436.

Major Specifications, Buick Special, Model 40:

Wheelbase: 122",

Engine Type: Overhead Valve V-Type 8 Cylinder

Engine Bore & Stroke: 4.125" X 3.4"

Engine Displacement: 364.0 Cu. In.

Compression Ratio: 9.5:1

Taxable Horsepower: 54.45

Horsepower: 250 @ 4,400 RPM

Torque: 380 Ft. Lbs. @ 2,400 RPM

Normal Oil Pressure: 40 PSI

Tire Size: 7.10 X 15 Inches (Convertibles & Station Wagons: 7.60 X 15 Inches)

Major Specifications, Buick Super, Series 50

Wheelbase: 127.5

Engine Type: Overhead Valve V-Type 8 Cylinder

Engine Bore & Stroke: 4.125" X 3.4"

Engine Displacement: 364.0 Cu. In.

Compression Ratio: 10.0:1

Taxable Horsepower: 54.45

Horsepower: 300 @ 4,600 RPM

Torque: 400 Ft. Lbs. @ 3,200 RPM

Normal Oil Pressure: 40 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: 4.125" X 3.4"

Engine Displacement: 364.0 Cu. In.

Compression Ratio: 10.0:1

Taxable Horsepower: 54.45

Horsepower: 300 @ 4,600 RPM

Torque: 400 Ft. Lbs. @ 3,200 RPM

Normal Oil Pressure: 40 PSI

Tire Size: 7.60 X 15 Inches

Major Specifications, Buick Roadmaster, Model 75

Wheelbase: 127.5"

Engine Type: Overhead Valve V-Type 8 Cylinder

Engine Bore & Stroke: 4.125" X 3.4"

Engine Displacement: 364.0 Cu. In.

Compression Ratio: 10.0:1

Taxable Horsepower: 54.45

Horsepower: 300 @ 4,600 RPM

Torque: 400 Ft. Lbs. @ 3,200 RPM

Normal Oil Pressure: 40 PSI

Tire Size: 8.00 X 15 Inches

Major Specifications, Buick Limited, Model 750:

Wheelbase: 127.5"

Engine Type: Overhead Valve V-Type 8 Cylinder

Engine Bore & Stroke: 4.125" X 3.4"

Engine Displacement: 364.0 Cu. In.

Compression Ratio: 10.0:1

Taxable Horsepower: 54.45

Horsepower: 300 @ 4,600 RPM

Torque: 400 Ft. Lbs. @ 3,200 RPM

Normal Oil Pressure: 40 PSI

Tire Size: 8.00 X 15 Inches

Capacities, All Series:

Cooling System:

Without Heater: 16-1/2 Quarts

With Heater: 19

Radiator Cap Pressure: 15 PSI

Fuel Tank: 20 Gallons

Engine Oil: 5 Quarts

Manual Transmission Capacity: 2-1/2 Pints

Dynaflow Transmission Capacity: 11 Quarts

Flite-Pitch Dynaflow Transmission Capacity: 12-1/2 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: Turn Screw in until engine misfires, then back off 1/2 turn.

Distributor Cam Angle: 30 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: 485 RPM

Cylinder Head Tension: 65-75 Ft Lbs

Compression Pressure @ Cranking Speed: 185 PSI

Valve Data, Buick Special, Series 40:

Tappet Clearance:

Intake: Zero

Exhaust: Zero

Valve Seat Angle: 45 Degrees

Valve Timing:

Intake Valve Opens: 38 Degrees BTDC (Manual Transmission: 25 Degrees)

Exhaust Valve Closes: 41 Degrees ATDC (Manual Transmission: 37 Degrees)

Minimum Valve Spring Pressure (New Spring):

Inner Spring: 63 Pounds @ 1.20"

Outer Spring: 93 Pounds @ 1.10"

Valve Lift @ Zero Lash::

Intake: .423" (Manual Transmission: .378")

Exhaust: .423" (Manual Transmission: .378")

Valve Stem Clearance:

Intake: .0015"-.0035"

Exhaust: .003"-.005"

Valve Stem Diameter:

Intake: .3720"

Exhaust: .3710"

Valve Data, Series 50, 60, 75, & 750:

Tappet Clearance:

Intake: Zero

Exhaust: Zero

Valve Seat Angle: 45 Degrees

Valve Timing:

Intake Valve Opens: 34 Degrees BTDC

Exhaust Valve Closes: 41 Degrees ATDC

Minimum Valve Spring Pressure (New Springs):

Inner Spring: 63 Pounds @ 1.20"

Outer Spring: 93 Pounds @ 1.10"

Valve Lift @ Zero Lash::

Intake: .423"

Exhaust: .423"

Valve Stem Clearance:

Intake: .0015"-.0035"

Exhaust: .003"-.005"

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: .015"

Oil Control: .015"

Wrist Pin Diameter: .9995"

Rod Bearings:

Shaft Diameter: 2.249"-2.250"

Rod Bearing Clearance: .0002"-.0023"

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 # 1110870

Rotation: Clockwise

Cam Angle: 30 Degrees

Point Opening: Turn adjusting screw in until engine misfires, then back off 1/2 turn.

Condensor Capacity: .18-.23 Mfds

Breker Arm Spring Tension: 19-23 Ounces

Centrifugal Advance Data:

Advance Starts: 1 Degree @ 475 RPM

Full Advance: 13 Degrees @ 1,875 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 # 1102101

Direction of Rotation: Clockwise

Ground Polarity: Negative

Generator Output: 45 Amperes @ 2,600 RPM

Brush Spring Tension 28 Ounces

Field Current: 2.66 to 2.86 Amperes

Regulator #: 1119600

Cutout Relay:

Voltage to Close Points: 12.4 Volts

Armature Air Gap: .020"

Voltage Regulator Setting: 14.2 Volts

Current Regulator Setting: 41 Amperes

Current & Voltage Armature Air Gap: .075"

Delco-Remy Starting Motor Specifications, All Series:

Starter # 1107667

Rotation: Clockwise

Brush Spring Tension: 35 Ounces

No Load Test: 100 Amperes, 10.6 Volts @ 5,100 RPM

Torque Test: 330 Amperes, 3.5 Volts;

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: 1"

Power Brakes: 21/32"

Wheel Alignment Data, All Series:

Caster: +1/4 Degrees

Camber: +1/4 Degrees

Toe In: 1/16" to 1/8"

Toe Out on Turns:

Outer Wheel: 18 Degrees

Inner Wheel: 20 Degrees

Kingpin Inclination: 8 Degrees 0 Camber

Stromberg Carburetor Adjustments:

Carburetor Type: WW

Code #: 7-109B

Fuel Level: 5/8"

Float Setting: 5/32"

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: #4 Drill

Pump Travel Setting: 3/8"-13/32"

Starting Switch Setting: 1" to 1-1/2" between "ON" & "OFF" Positions.

Rochester Carburetor Specifications:

Carburetor Type: 4GC

Part #: 7011600, 7015800, 7015865

Float Level: 1-3/8"

Float Drop: 1-5/16"

Idle Screw Setting: 1-1/4 Turns to Open

Choke Setting: Index

Pump Rod: 1-1/64"

Fast Idle Setting: .028"

Choke Rod: .148"

Choke Unloader: .128"

Secondary Throttle Lockout: .015"

Secondary Throttle Contour Clearance: .030"

Carburetor Type: 4GC

Part #: 7011100

Float Level:

Primary: 1-13/32"

Secondary: 1-3/8"

Float Drop:

Primary: 7/16"

Secondary: 3/8"

Idle Screw Setting: 1-1/4 Turns to Open

Choke Setting: Index

Pump Rod: 1-1/64"

Fast Idle Setting: .028"

Choke Rod: .148"

Choke Unloader: .128"

Secondary Throttle Lockout: .015"

Secondary Throttle Contour Clearance: .030"

Carter Carburetor Specifications:

Carburetor Model #AFB

Carburetor Part # 2800S

Float Level: 7/32"

Float Drop: 23/32"

Idle Screw Setting, 1/4 to 1-3/4 Turns to Open

Pump Stroke: 33/64"

Choke Piston Lever: .045"

Fast Idle Throttle Valve Clearance: .026"

Unloader Setting: 3/16"

Secondary Throttle Lever: .010"-.030"

Automatic Choke Setting: 1 Rich

Carburetor Model #WGD

Carburetor Part # 2674S

Float Level: 1/4"

Idle Screw Setting, 3/4 to 2 Turns to Open

Choke Lever Clearance: None

Fast Idle Throttle Clearance: .026"

Unloader Choke Valve Clearance: 3/16"

Automatic Choke Setting: 1 Lean

Starter Switch Setting: 31/64" to 11/16"

Carburetor Model #WGD

Carburetor Part # 2675S

Float Level: 1/4"

Idle Screw Setting, 3/4 to 2 Turns to Open

Choke Lever Clearance: None

Fast Idle Throttle Clearance: .026"

Unloader Choke Valve Clearance: 3/16"

Automatic Choke Setting: Index

Starter Switch Setting: 31/64" to 11/16"

Popular Options, All Series:

Sonomatic Radio; Wonder Bar Signal Seeking Radio; Power Antenna; Rear Seat Speaker (except Convertibles & Station Wagons); Electric Clock; License Plate Frames; Vent Shades; Autronic Eye; Parking Brake Warning Light; Back Up Lights; Tissue Dispenser, Vanity Visor Mirror; Air Conditioning (In-Dash or Under-Dash); Power Windows; 6-Way Power Seat; Air Suspension; 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.

1958 Buick Paint Codes & Colors:

58A Carlsbad Black

58B Sylvan gray

58C Glacier White

58D Hunter Green

58E Spray Green

58H Dark Turquoise

58K Antique Ivory

58L Casino Cream

58M Seminole Red

58N Garnet Red

58P Reef Coral

58R Desert Beige

58S Cobalt Blue

58T Desert Sage

58W Canyon Cedar

58-1 Green Mist

58-2 Blue Mist

58-3 Laurel Mist

58-4 Silver Mist

58-5 Polar Mist

58-6 Gold Mist

1958 Buick Historical Data:

1958 Buick Model Year Production: 240,659.

Promotional Model Cars Available:

Plastic: Roadmaster 4 Door Hardtop & Roadmaster Convertible

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