1951 OLDSMOBILE

Model Designations:

Oldsmobile 88, 8 Cylinder, Model 88A

Oldsmobile Super 88, 8 Cylinder, Model S-88

Oldsmobile 98, 8 Cylinder, Model 98

Oldsmobile 88,Body Styles:

2 Door Sedan, 5 Passenger, Body # 51-3711

Base Price: $1,815; Shipping Weight: 3,585

Production Total: 11,792

4 Door Sedan, 5 Passenger, Body # 51-3579

Base Price: $1,871; Shipping Weight: 3610 Pounds

Production Total: 22,848

Oldsmobile Super 88, Body Styles:

2 Door Club Coupe, 5 Passenger, Body # 51-3627D

Base Price: $1,928; Shipping Weight: 3,628 Pounds

Production Total: 7,328

2 Door Sedan, 5 Passenger, Body # 51-3611D

Base Price: $1,969; Shipping Weight: 3,642 Pounds

Production Total: 34,963

2 Door Hardtop Holiday Coupe, 5 Passenger, Body # 51-3637D

Base Price: $2,231; Shipping Weight: 3,659 Pounds

Production Total: 13,279

2 Door Convertible, 5 Passenger, Body # 51-3667DX

Base Price: $2,333; Shipping Weight: 3,896 Pounds

Production Total: 3,844

4 Door Sedan, 5 Passenger, Body # 51-3669D

Base Price: $2,025; Shipping Weight: 3,675 Pounds

Production Total: 90,131

Oldsmobile 98, Body Styles:

2 Door Hardtop Holiday Coupe, 5 Passenger, Body # 51-3837

Base Price: $2,545; Shipping Weight: 3,762 Pounds

Production Total: 3,917

2 Door Hardtop Deluxe Holiday Coupe, 5 Passenger, Body # 51-3837D

Base Price: $2,882; Shipping Weight: 3,857 Pounds

Production Total: 14,012

4 Door Sedan, 5 Passenger, Body # 51-3869D

Base Price: $2,277; Shipping Weight: 3,787

Production Total: 78,122

2 Door Convertible, 5 Passenger, Body # 51-3837DX

Base Price: $2,644; Shipping Weight: 4,107 Pounds

Production Total: 4,468

Chassis:

Wheelbase:

Eighty-Eight: 119-1/2"

Super Eighty-Eight: 120"

Ninety-Eight: 122"

Tire Sizes:

88 & Super 88: 7.60 X 15"

98: 8.00 X 15"

Rear Axle Ratios:

3.42:1; 3.64:1; 3.90:1

General Engine Specifications:

Oldsmobile, Series 88, Super 88, & 98, 8 Cylinder

Engine Type: Overhead Valve V-8

Bore & Stroke: 3-3/4" X 3-7/16"

Engine Displacement: 303.7 Cu. In.

Compresssion Ratio: 7.50 to 1

Taxable Horsepower: 45.00

Horsepower: 135 @ 3,600 RPM

Torque: 263 Ft. Lbs. @ 1,800 RPM

Normal Oil Pressure: 40 PSI

Capacities:

All Series:

Cooling System:

Without Heater: 21-1/2 Quarts

With Heater: 22-1/2 Quarts

Fuel Tank: 18 Gallons

Engine Oil Refill: 5 Quarts;

Manual Transmission: 3 Pints

Hydra-Matic Transmission: 11 Quarts

Rear Axle: 3-3/4 Pints

Tune Up Specifications:

All Series:

Spark Plug Type: AC 46-5

Spark Plug: Gap .030"

Point Gap: .016"

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

Ignition Timing: Slot on Pulley

Engine Idle Speed:

Manual Transmission: 425 RPM

Automatic Transmission: 400 RPM (In Drive)

Cylinder Head Torque: 60-70 Ft Lbs

Compression Pressure @ Cranking Speed: 120 PSI (Minimum)

Valve Specifications:

All Series:

Operating Clearance, Running Hot:

Intake Zero

Exhaust Zero

Clearance for Timing: Intake: Zero

Valve Seat Angle: 45 Degrees,

Valve Timing: Intake Opens 13-1/2 Degrees Before Top Dead Center

Exhaust Closes 14-1/2 degrees After Top Dead Center

Valve Spring Pressure: 65 Lbs @ 1-3/4 inches (New Springs)

Valve Stem Clearance: Intake .002"-.004"

Exhaust .0025"-.0045"

Piston & Ring Data:

All Series:

Piston Removal: From Above

Fitting Pistons with Spring Scale:

Shim Thickness: .0015"

Pounds Pull on Scale: 10 to 18

Ring End Gap (Minimum):

Sealed Power Rings:

Compression Ring: .008"

Oil Ring: .008"

Perfect Circle Rings:

Compression Ring: .010"

Oil Ring: .010"

Clearance Between Ring & Grooves:

Compression Ring: .001"-.003"

Oil Control Ring: .0018"-.0033"

Wrist Pin Diameter: .9803"-.9807"

Delco-Remy Distributor Specifications:

All Series:

Distributor #1110824

Rotation: Counter-Clockwise

Cam Angle: 26-33 Degrees

Breaker Point Opening: .016"

Condenser Capacity: .18 -.23 Mfds.

Breaker Arm Spring Tension: 19-23 Ounces

Centrifugal Advance Data:

Advance Starts: 2 Degrees @ 400 RPM

Full Advance: 16 Degrees @ 1,850 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger Movement: 4-1/2" to 6-1/2"

Inches of Vacuum for Full Plunger Travel: 16" to 17"

Maximum Vacuum Advance: 10 Degrees

Delco-Remy Generator & Regulator Specifications:

Generator #11027064

Generator Output: 40 Amperes @ 2,150 RPM

Brush Spring Tension: 28 Ounces

Direction of Rotation: Clockwise

Field Current @ 6 Volts: 1.87 to 2.0 Amperes

Regulator #1118300

Cutout Relay:

Voltage to Close Points: 6.4

Reverse Current to Open Points: 0 to 3 Amperes

Armature Air Gap: .020"

Voltage Regulator Setting: 7.3 Volts

Current Regulator Setting: 42 Amperes

Current & Voltage Armature Air Gap: .075"

Ground Polarity: Negative

Delco-Remy Starting Motor Specifications:

Part #1107982

Rotation: Clockwise

Brush Spring Tension: 24-28 Ounces

No Load Test: 60 Amperes, 5.0 Volts, @ 6,000 RPM

Lock Test: 600 Amperes, 3.0 Volts, 15 Ft. Lbs. of Torque.

Brake Specifications:

Lining Dimensions/Wheel in Inches:

Front: 22"

Rear: 22"

Width:

Front: 2-1/4"

Rear, 2"

Thickness: 3/16"

Brake Shoe Clearance: .015"

Wheel Cylinder Bore:

Front: 1-3/32"

Rear: 15/16"

Master Cylinder Bore: 1"

Wheel Alignment Specifications:

All Series:

Caster: - 3/8 Degrees

Camber: 0 Degrees

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

Toe-Out on Turns:

Outer Wheel: 20 Degrees

Inner Wheel: 22-1/2 to 23-1/2 Degrees

Kingpin Angle: 4-1/2 Degrees

Carter Carburetor Specifications:

Carburetor Model: WGD

Part #851S-SA

Float Level: 1/4"

Idle Screw Setting: 3/4 to 1-1/4 Turns

Fast Idle Adjustment: .020"

Unloader Setting: 3/8"

Unloader Adjustment: 1/4"

Automatic Choke Setting: Index

Rochester Carburetor Specifications:

Carburetor BB

Float Level: 1-5/8" (From Bottom of Air Horn Gasket to Bottom of Float)

Idle Screw Setting:

Manual Transmission: 425 RPM

Automatic Transmission: 350 RPM, in Drive

Fast Idle Setting: .025" Between Throttle Valve & Air Horn

Unloader Setting: .209"

1951 Oldsmobile Paint Colors & Codes:

Code Color

50 Black

51 Cascade Green

52 Empire Maroon

52-C Chariot Red

53 Sand Beige

53-C Canto Cream

54 Otsego Blue

55 Serge Blue

55-C Algiers Blue

57 Dove Gray

58 Flint Gray

59 Palm Green

50-C Shoal Green

Popular Options:

Radio, DeLuxe Radio, Super DeLuxe Signal Seeking Radio, Radio Antenna, Rear Seat Speaker, Electric Clock, DeLuxe Wheel Covers, Exhaust Extension, DeLuxe Condition Air Heater & Defroster, Back Up Lights, Fog Lights, Driving Lights, Underhood Light, Outside Rear View Mirror, Visor Mirror, Spotlight with Rear View Mirror, Outside Sun Visor, Traffic Light Viewer, Windshield Washer, Ventshades, Battery Vitalizer, Turn Signals, Automatic Transmission.

1951 Oldsmobile Historical Data:

Total 1951 Oldsmobile Production was 284,704.

Promotional Model Cars:

None Known

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