1947 OLDSMOBILE



Model Designations:

Oldsmobile, Special Sixty, Series 66, 6 Cylinder

Oldsmobile, Special Sixty, Series 68, 6 Cylinder

Oldsmobile, Dynamic Seventy, Series 76, 6 Cylinder

Oldsmobile, Dynamic Seventy, Series 78, 8 Cylinder

Oldsmobile, Custom Cruiser Ninety-Eight, Series 98, 8 Cylinder



Oldsmobile, Special, Series 66 & 68, 6 & 8 Cylinder, Body Styles


2 Door Club Coupe, 4 Passenger, Body # 47-3527

Base Price: $1,308; Shipping Weight: 3,315 Pounds; Production Total: 4,297


4 Door Club Sedan, 5 Passenger, Body # 47-3507

Base Price: $1,334; Shipping Weight: 3,330; Production Total: 28,488


4 Door Sedan, 6 Passenger, Body # 47-3519

Base Price: $1,369; Shipping Weight: 3,375 Pounds; Production Total: 22,660


2 Door Convertible, 4 Passenger, Body # 47-3567

Base Price: $1,627; Shipping Weight: 3,520 Pounds; Production Total: 6,528


4 Door Station Wagon, 6 Passenger, Body # 47-3581

Base Price: $2,175; Shipping Weight: 3,715 Pounds: Production Total: 1,460


Total Series Production: 63,433

Prices & Weights shown are for 6 Cylinder Models.





Oldsmobile, Dynamic, Series 76 & 78, 6 & 8 Cylinder, Body Styles


2 Door Coupe, Club Sedan, 5 Passenger, Body # 47-3607

Base Price: $1,392; Shipping Weight: 3,460 Pounds: Production Total: 38,152


4 Door Sedan, 5 Passenger, Body # 47-3609

Base Price: $1,459; Shipping Weight: 3,525 Pounds; Production Total: 38,825


Total Series Production: 76,977

Prices & Weights shown are for 6 Cylinder Models.



Oldsmobile, Custom Cruiser, Series 98 , 8 Cylinder, Body Styles


4 Door Sedan, 5 Passenger, Body # 47-3969

Base Price: $1,690; Shipping Weight: 3,775; Production Total: 24,733


2 Door Club Sedan, 5 Passenger, Body # 47-3907

Base Price: $1,642; Shipping Weight: 3,690 Pounds; Production Total: 8,475


2 Door Convertible, 5 Passenger, Body # 47-3967

Base Price: $2,040; Shipping Weight: 4,765 Pounds; Production Total: 3,940


Total Series Production: 37,148






General Specifications


Oldsmobile, Special Sixty, Series 66, 6 Cylinder

Wheelbase: 119

Engine: Inline 6 Cylinder, L-Head

Bore & Stroke: 3-1/2" X 4-1/8"

Engine Displacement: 238.1 Cu. In.

Compresssion Ratio: 6.50 to 1

Taxable Horsepower: 29.40

Horsepower: 100 @ 3,400 RPM

Torque: 185 Ft. Lbs. @ 1,200 RPM

Normal Oil Pressure: 33 PSI

Rear Axle Ratio: Not Available

Carburetor: Not Available .

Tire Size: 6.00 x 16 inches; Inflation Pressure, Front 28, Rear 28

Oldsmobile, Special Sixty, Series 68, 8 Cylinder

Wheelbase: 125 Inches

Engine Type: Inline 8 Cylinder, L-Head

Bore & Stroke: 3-1/4" X 3-7/8"

Engine Displacement: 257.1 Cu. In.

Compresssion Ratio: 6.50 to 1

Taxable Horsepower: 33.80

Horsepower: 110 @ 3,600 RPM

Torque: 204 Ft. Lbs @ 2,000 RPM

Normal Oil Pressure: 33 PSI

Rear Axle Ratio: Not Available

Carburetor: Not Available

Tire Size: 6.50 x 16 inches; Inflation Pressure, Front 26, Rear, 26


Oldsmobile, Dynamic Seventy, Series 76, 6 Cylinder

Wheelbase: 125

Engine: Inline 6 Cylinder, L-Head

Bore & Stroke: 3-1/2" X 4-1/8"

Engine Displacement: 238.1 Cu. In.

Compresssion Ratio: 6.50 to 1

Taxable Horsepower: 29.40

Horsepower: 100 @ 3,400 RPM

Torque: 185 Ft. Lbs. @ 1,200 RPM

Normal Oil Pressure: 33 PSI

Rear Axle Ratio: : Not Available

Carburetor: Not Available .

Tire Size: 6.50 x 16 inches; Inflation Pressure, Front 26, Rear 26




Oldsmobile, Dynamic Seventy, Series 78, 8 Cylinder

Wheelbase: 125 Inches

Engine Type: Inline 8 Cylinder, L-Head

Bore & Stroke: 3-1/4" X 3-7/8"

Engine Displacement: 257.1 Cu. In.

Compresssion Ratio: 6.50 to 1

Taxable Horsepower: 33.80

Horsepower: 110 @ 3,600 RPM

Torque: 204 Ft. Lbs. @ 2,000 RPM

Normal Oil Pressure: 33 PSI

Rear Axle Ratio: Not Available

Carburetor: Not Available

Tire Size: 6.50 x 16 inches; Inflation Pressure, Front 26, Rear, 26




Oldsmobile, Custom Cruiser Ninety-Eight, Series 98, 8 Cylinder

Wheelbase: 127 Inches

Engine Type: Inline 8 Cylinder, L-Head

Bore & Stroke: 3-1/4" X 3-7/8"

Engine Displacement: 257.1 Cu. In.

Compresssion Ratio: 6.50 to 1

Taxable Horsepower: 33.80

Horsepower: 110 @ 3,600 RPM

Torque: 204 Ft. Lbs. @ 2,000 RPM

Normal Oil Pressure: 33 PSI

Rear Axle Ratio: Not Available

Carburetor: Not Available

Tire Size: 7.00 x 15 inches; Inflation Pressure, Front 24, Rear, 24




Tune Up Specifications, 6 Cylinder Models


Spark Plug Type: AC 45, Champion J-8, J-11, or Equivalent

Spark Plug: Gap .040"

Point Gap: .020"

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

Engine Idle Speed:

Manual Transmission: 425 RPM

Automatic Transmission: 375 RPM (In Drive)

Ignition Timing: "TDC" Mark on Flywheel

Tappet Clearance, Hot: Intake .008", Exhaust .011"

Cylinder Head Torque: 60-70 Ft Lbs

Compression Pressure @ Cranking Speed: 115 PSI (Minimum)




Tune Up Specifications, 8 Cylinder Models


Spark Plug Type: AC 45, Champion J-8, J-11, or Equivalent

Spark Plug: Gap .030"

Point Gap: .015"

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

Ignition Timing: Steel Ball in Flywheel

Engine Idle Speed:

Manual Transmission: 425 RPM

Automatic Transmission: 375 RPM (In Drive)

Tappet Clearance, Hot: Intake .008", Exhaust .011"

Cylinder Head Torque: 60-70 Ft Lbs

Compression Pressure @ Cranking Speed: 115 PSI (Minimum)




Valve Specifications, 6 Cylinder Models


Tappet Clearance, Running Hot: Intake .008"; Exhaust .011"

Clearance for Timing: Intake: .0125"; Exhaust: .0155"

Valve Timing: Intake Opens 5 Degrees Before Top Dead Center

Exhaust Closes 5 degrees After Top Dead Center

Valve Seat Angle: Intake 30 degrees; Exhaust 45 degrees,

Valve Spring Pressure: 55 Lbs @ 2-1/4 inches (New Springs)

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

Exhaust .0025"-.004"





Valve Specifications, 8 Cylinder Models


Tappet Clearance, Running Hot: Intake .008"; Exhaust .011"

Clearance for Timing: Intake: .0125"; Exhaust: .0155"

Valve Timing: Intake Opens At Top Dead Center

Exhaust Closes 10 degrees After Top Dead Center

Valve Seat Angle: Intake 30 degrees; Exhaust 45 degrees,

Valve Spring Pressure: 55 Lbs @ 2-1/4 inches (New Springs)

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

Exhaust .0025"-.004"




Piston & Ring Data, 6 Cylinder Models


Piston Removal: From Above

Piston Clearance (Minimum):

Top Land Inch .023"

Top of Skirt, Inch: .0025"

Fitting Pistons with Spring Scale:

Shim Thickness: .002"

Pounds Pull on Scale: 4 to 11

Width of Ring End Gap (Minimum):

Compression Ring: .008"

Oil Ring: .007"

Clearance Between Ring & Grooves:

Compression Ring: .001"-.003"

Oil Control Ring: .001"-.0025"




Piston & Ring Data, 8 Cylinder Models


Piston Removal: From Above

Piston Clearance (Minimum):

Top Land Inch .023"

Top of Skirt, Inch: .0025"

Fitting Pistons with Spring Scale:

Shim Thickness: .002"

Pounds Pull on Scale: 4 to 11

Width of Ring End Gap (Minimum):

Compression Ring: .009"

Oil Ring: .009"

Clearance Between Ring & Grooves:

Compression Ring: .001"-.0025"

Oil Control Ring: .001"-.0025"




Engine Bearing Data, 6 Cylinder Models


Camshaft End Play: Forward thrust is taken by a semi-circular flange in the front engine plate with the cylinder block taking the backward thrust.

Camshaft Bearing Clearance: .0015"-.0035"

Rod Journal Diameter: 2.123"-2.124"

Rod Bearing Clearance: .0005"-.0025"

Rod End Play: .005"-.010" inches

Rod Bolt Tension: 50-55 Lbs. Ft.

Main Bearing Journal Diameter:

#1: 2.478"-2.479"; #2: 2.5405"-2.5415";

#3: 2.6655"-2.6665"; #4: 2.6855"-2.6865;

Main Bearing Clearance: .0005" -.0025" for Front Main; .001"-.003" for Others

Crankshaft End Play: .004"-.008"

Main Bolt Tension: #1, 2, & 3: 100 Ft Lbs; #4, 140 Ft Lbs





Engine Bearing Data, 8 Cylinder Models


Camshaft End Play: Forward thrust is taken by a semi-circular flange in the front engine plate with the cylinder block taking the backward thrust

Camshaft Bearing Clearance: .0015"-.0035"

Rod Journal Diameter: 2.123"-2.124"

Rod Bearing Clearance: .0005"-.0025"

Rod End Play: .005"-.010" inches

Rod Bolt Tension: 50-55 Lbs. Ft.

Main Bearing Journal Diameter:

#1: 2.478"-2.489"; #2: 2.5405"-2.5415";

#3: 2.603"-2.604"; #4: 2.6655"-2.6665";

#5: 2.6855:-2.6865"

Main Bearing Clearance: .0005" -.0025"; Others .001"-.003"

Crankshaft End Play: .004"-.008"

Main Bolt Tension:

#1, 2, 3, & 4: 100 Ft Lbs; #5: 140 Ft Lbs






Capacities, 6 Cylinder Models


Cooling System:

Without Heater: 18-1/2 Quarts

With Heater: 19-1/2 Quarts

Fuel Tank: 19 Gallons;

Engine Oil Refill: 5 Quarts;

Manual Transmission: 2 Pints

Hydra-Matic Transmission: 11 Quarts on Refill;

Rear Axle: 3-3/4 Pints




Capacities, 8 Cylinder Models


Cooling System:

Without Heater: 20-1/2 Quarts

With Heater: 21-1/2 Quarts

Fuel Tank: 19 Gallons;

Engine Oil Refill: 6 Quarts;

Manual Transmission: 2 Pints

Hydra-Matic Transmission: 11 Quarts on Refill;

Rear Axle: 3-3/4 Pints





Delco-Remy Distributor Specifications - 6 Cylinder Models

Distributor #1110213

Rotation: Counter-Clockwise

Cam Angle: 31-37 Degrees

Breaker Point Opening: .022"

Condenser Capacity: .18-.23 Mfds.

Breaker Arm Spring Tension: 17-21 Ounces

Centrifugal Advance Data:

Advance Starts: 2 Degrees @ 300 RPM

Full Advance: 12 Degrees @ 1,600 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger Movement: 5" to 7"

Inches of Vacuum for Full Plunger Travel: 16" to 20"

Maximum Vacuum Advance: 8 Degrees


Delco-Remy Distributor Specifications - 8 Cylinder Models

Distributor #1110808

Rotation: Counter-Clockwise

Cam Angle: 21-30 Degrees

Breaker Point Opening: .016"

Condenser Capacity: .18 -.23 Mfds.

Breaker Arm Spring Tension: 19-23 Ounces

Centrifugal Advance Data:

Advance Starts: 2 Degrees @ 350 RPM

Full Advance: 12 Degrees @ 1,600 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger Movement: 6-1/2" to 8-1/2"

Inches of Vacuum for Full Plunger Travel: 14" to 16"

Maximum Vacuum Advance: 6 Degrees



Delco-Remy Generator & Regulator Specifications


Generator #1102664

Generator Output: 30 Amperes @ 2,050 RPM

Brush Spring Tension: 28 Ounces

Direction of Rotation: Clockwise

Field Current @ 6 Volts: 1.75-1.95 Amperes

Regulator #1118201

Cutout Relay:

Voltage to Close Points: 6.4

Reverse Current to Open Points: 0 to 3 Amperes

Armature Air Gap: .020"

Voltage Regulator Setting: 7.4 Volts

Current Regulator Setting: 36 Amperes

Current & Voltage Armature Air Gap: .075"

Ground Polarity: Negative



Generator #1102680

Generator Output: 30 Amperes @ 2,050 RPM

Brush Spring Tension: 25 Ounces

Direction of Rotation: Clockwise

Field Current @ 6 Volts: 1.75-1.95 Amperes

Regulator #1118242

Cutout Relay:

Voltage to Close Points: 6.4

Reverse Current to Open Points: 0 to 3 Amperes

Armature Air Gap: .020"

Voltage Regulator Setting: 7.4 Volts

Current Regulator Setting: 36 Amperes

Current & Voltage Armature Air Gap: .075"

Ground Polarity: Negative



Delco-Remy Starting Motor Specifications - 6 Cylinder Models


Part #1107034

Rotation: Clockwise

Brush Spring Tension: 24-28 Ounces

No Load Test: 65 Amperes, 5.67 Volts, @ 5,000 RPM

Torque Test: 525 Amperes, 3.37 Volts, 12 Ft. Lbs. of Torque.


Part #1107050

Rotation: Clockwise

Brush Spring Tension: 24-28 Ounces

No Load Test: 65 Amperes, 5.67 Volts, @ 5,000 RPM

Torque Test: 525 Amperes, 3.37 Volts, 12 Ft. Lbs. of Torque.





Delco-Remy Starting Motor Specifications - 8 Cylinder Models


Part #11007930

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.


Part #11007922

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.




Carter Carburetor Specifications, 6 Cylinder


Carburetor Model: WA1

Part #481S

Float Level: 1/2"

Idle Screw Setting: 1/2 to 1-1/2 Turns

Pump Adjustment Using Gauge T109-117S: 16

Metering Rod Gauge: T-109-102

Anti-Percolator Adjustment: .020"

Fast Idle Setting: 5/8"

Unloader Setting: 3/8"

Choke Lockout Adjustment: 1/32"

Automatic Choke Setting: Index



Carburetor Model: WA1

Part #504S

Float Level: 1/2"

Idle Screw Setting: 1/2 to 1-1/2 Turns

Pump Adjustment Using Gauge T109-117S: 16

Metering Rod Gauge: T-109-102

Anti-Percolator Adjustment: .020"

Fast Idle Setting: 5/8"

Unloader Setting: 7/16"

Choke Lockout Adjustment: 1/32"

Automatic Choke Setting: Index



Carter Carburetor Specifications, 8 Cylinder


Carburetor Model: WDO

Part #480S-SA

Float Level: 3/16"

Idle Screw Setting: 1/2 to 1-1/2 Turns

Pump Adjustment Using Gauge T109-117S: 19

Metering Rod Gauge: T-109-113

Anti-Percolator Adjustment: With throttle closed, indicator lines should be flush with the tip of the anti-percolator plugs.

Fast Idle Setting: .015"

Unloader Setting: 3/16"

Automatic Choke Setting: 2 Rich



Carburetor Model: WDO

Part #503S-SA

Float Level: 3/16"

Idle Screw Setting: 1/2 to 1-1/2 Turns

Pump Adjustment Using Gauge T109-117S: 19

Metering Rod Gauge: T-109-113

Anti-Percolator Adjustment: With throttle closed, indicator lines should be flush with the tip of the anti-percolator plugs.

Fast Idle Setting: .015"

Unloader Setting: 1/4"

Automatic Choke Setting: Index



Carburetor Model: WCD

Part #665S

Float Level: 3/16"

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

Pump Adjustment Using Gauge T109-117S: 24

Metering Rod Gauge: T-109-163

Fast Idle Setting: .018"

Unloader Setting: 1/8"

Automatic Choke Setting: 1 Rich





Fuel Pump Data:

Pump Model: AH

Maximum Pressure: 3-3/4 PSI


Pump Model: AJ

Maximum Pressure: 4 PSI



Dash Gauge Manufacturer:

Gasoline: AC

Temperature: AC

Oil Pressure: AC

Ammeter: AC



Brake Specifications, 6 Cylinder Models


Lining Dimensions/Wheel in Inches: 21-5/16"

Width: Front, 2"; Rear, 1-3/4",

Thickness: 3/16"

Brake Shoe Clearance: .015"

Wheel Cylinder Bore:

Front: 1-1/8"

Rear: 1"

Master Cylinder Bore: 1"

Pedal Free Play: 3/16" *

* Adjust Pedal so Rubber Pad Under the Toe Board is Compressed to the Dimension Indicated.



Brake Specifications, 8 Cylinder Models


Lining Dimensions/Wheel in Inches: 21-5/16"

Width: Front, 2-1/4"; Rear, 2",

Thickness: 3/16"

Brake Shoe Clearance: .015"

Wheel Cylinder Bore:

Front: 1-1/8"

Rear: 1"

Master Cylinder Bore: 1"

Pedal Free Play: 3/16" *

* Adjust Pedal so Rubber Pad Under the Toe Board is Compressed to the Dimension Indicated.






Wheel Alignment Specifications, 6 & 8 Cylinder Models


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: 4-5/6 Degrees




Rear Axle , 6 & 8 Cylinder Models


Ring Gear & Pinion Backlash: .004"-.008"

Drive Pinion Adjustment: Shims

Drive Pinion Bearing Adjustment: None

Axle Shaft End Play: .000"-.008"





Beginning Engine Numbers:

6 Cylinder Models: 6-83001

8 Cylinder Models: 8-37001



Beginning Serial Numbers:

6 Cylinder, Series 66 66A-1001 Atlanta, Georgia

66C-15001 Southgate, California

66L-19001 Linden, New Jersey

66-132001 Lansing, Michigan

66-K3001 Kansas City, Missouri

66W-1001 Wilmington, Delaware

6 Cylinder, Series 76: 76A-1001 Atlanta, Georgia

76C-13001 Southgate, California

76L-20001 Linden New Jersey

76-134001 Lansing, Michigan

76K-4001 Kansas City, Missouri

76W-1001 Wilmington, Delaware

6 Cylinder, Series 68: 68A-1001 Atlanta, Georgia

68C-4001 Southgate, California

68L-4001 Linden, New Jersey

68-13001 Lansing, Michigan

68K-1001 Kansas City, Missouri

68W-1001 Wilmington, Delaware

8 Cylinder, Series 78: 78A-1001 Atlanta, Georgia

78C-7001 Southgate, California

78L-8001 Linden, New Jersey

78-50001 Lansing, Michigan

78-K3001 Kansas City, Missouri

78W-1001 Wilmington, Delaware

8 Cylinder, Series 98: 98C-7001 Southgate, California

98L-10001 Linden, New Jersey

98-43001 Lansing, Michigan

98-K2001 Kansas City, Missouri



1947 Oldsmobile Colors & Codes


Code Color PPG Code


70 Black 9200

71 Cambray Green Poly 40048

72 Ambassador Red Poly 50019

72-C Chariot Red 70193

73-C Havana Beige 20364

74 Caspian Blue Poly 10371

75 Nightshade Blue Poly 10095

76 Pawnee Beige Poly 20211

77-C Saxon Gray Poly 30395

78 Chateau Gray Poly 30394

79 Ivy Green Poly 40098

79-C Seafoam Green Poly 40085



Two-Tones


71B Cambray Green Poly Upper & Saxon Gray Poly Lower

73A Pawnee Beige Poly Upper & Havana Beige Lower

74A Nightshade Blue Poly Upper & Caspian Blue Poly Lower

75B Nightshade Blue Poly Upper & Saxon Gray Poly Lower

77A Chateau Gray Poly Upper & Saxon Gray Poly Lower

79B Ivy Green Poly Upper & Seafoam Green Poly Lower




Popular Options


DeLuxe Radio, Standard Radio, Condition-Air Heater & Ventilating System, Dual Flow Heater & Defroster, DeLuxe Steering Wheel, Directional Signals, Electric Clock, Spotlight, Auxiliary Driving Lights, Fog Lights, Backup Light, Trunk Light, Underhood Light, Vanity Visor Mirror, Rear Window Wiper, Cadet Outside Mirror, Fender Skirts, Gas Tank Cover Lock, Plastic White Wall Discs, Chrome Exhaust Extension, Hydramatic Transmission.



1947 Oldsmobile Historical Data


Total 1947 Oldsmobile Production was 177,558.



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