1940 CADILLAC
Model Designations:
Cadillac, Series 40-60S, 8 Cylinder
Cadilac, Series 40-62, 8 Cylinder
Cadillac, Series 40-72, 8 Cylinder
Cadillac, Series 40-75, 8 Cylinder
Cadillac, Series 40-90, 16 Cylinder
Cadillac, Series 40-60S, 8 Cylinder, Body Styles
Special Sedan, 5 Passenger, Body Code: 40-6019S
Base Price: $2,090; Shipping Weight: 4,070 Pounds
Special Sedan, Sunshine Turret Top, 5 Passenger , Body Code: 40-6019S-A
Price & Weight Not Available
Special Sedan, Division Window, 5 Passenger, Body Code: 40-6019S-F
Base Price: $2,230; Shipping Weight: 4,110 Pounds
Town Car, 5 Passenger, Body Code: 40-6053S
Price & Weight Not Available
Town Car, 5 Passenger, Body Code: 40-6053-LB
Base Price: $3,820; Shipping Weight: 4,365 Pounds
Town Car, 5 Passenger, Body Code: 40-6053-MB
Base Price: $3,465; Shipping Weight: 4,365 Pounds
Production Totals by Body Style are not available.
Cadillac, Series 40-62, 8 Cylinder, Body Styles
Trunk Sedan, 5 Passenger, Body Code: 40-6219
Base Price: $1,745; Shipping Weight: 4,030 Pound
Coupe, 2 Passenger, Body Code: 40-6227C
Base Price: $1,685; Shipping Weight: 3,940 Pounds
Convertible Sedan, 5 Passenger, Body Code: 40-6229
Base Price: $2,195; Shipping Weight: 4,230 Pounds
Convertible Coupe, 2 Passenger, Body Code: 40-6267
Base Price: $1,795; Shipping Weight: 4,045 Pounds
Production Totals by Body Style are not available.
General Specifications, Series 40-60S & 62
8 Cylinder Engine
Wheelbase:
Series 60S: 127 Inches
Series 62: 129 Inches
Engine Type: 90 Degree, L-Head V-8
Bore & Stroke: 3-1/2" X 4-1/2"
Engine Displacement: 346.0 Cu. In.
Compresssion Ratio: 6.25 to 1
Taxable Horsepower: 39.20
Horsepower: 135 @ 3,400 RPM
Torque: Not Available
Rear Axle Ratio: 3.92:1
Carburetor: Stromberg AAV-26 .
Tire Size: 7.00 x 16 inches; Series 60S: Inflation Pressure, Front 28, Rear, 28
Series 62: Inflation Pressure, Front 26, Rear 26
Capacities, Series 40-60S & 62
Cooling System: 24-1/2 Quarts
Fuel Tank: 22 Gallons;
Engine Oil Refill: 7 Quarts;
Grade of Oil: Above +32F 20;
Above +10F 20W;
Above -10F 10W
Manual Transmission: 2-1/2 Pints
Grade of Oil: Summer 90, Winter 90
Rear Axle: 5 Pints
Grade of Oil: Summer 90H, Winter 90H
Popular Options, Series 40-60S & 62
Radio, Heater, Seat Covers, Spotlight, Fog Lights, Flexible Steering Wheel, Windshield Washer, Automatic Battery Filler, Wheel Discs, Wheel Trim Rings.
Historical Information
The 1940 Cadillac Series 40-60S & 62 were introduced in October 1939.
Model Year Production: Series 60S: 4,600; Series 62: 5,903
Cadillac Fleetwood, Series 40-72, 8 Cylinder, Body Styles
Business Trunk Sedan, 9 Passenger, Body Code: 40-7223-L
Base Price: $2,690; Shipping Weight: 4,700 Pounds
Business Trunk Imperial Sedan, 9 Passenger, Body Code: 40-7223-L
Base Price: $2,824; Shipping Weight: 4,740 Pounds
Cadillac Fleetwood, Series 40-75, 8 Cylinder, Body Styles
Coupe, 2 Passenger, Body Code: 40-7557
Base Price: $3,280; Shipping Weight: 4,785 Pounds
Coupe, 5 Passenger, Body Code: 40-7557-B
Base Price: $3,380; Shipping Weight: 4,810 Pounds
Convertible Coupe, 2 Passenger, Body Code: 40-7567
Base Price: $3,380; Shipping Weight: 4,915 Pounds
Sedan, 5 Passenger, Body Code: 40-7519
Base Price: $2,995; Shipping Weight: 4,900 Pounds
Imperial Sedan, 5 Passenger, Body Code: 40-7519-F
Base Price: $3,155; Shipping Weight: 4,940 Pounds
Formal Sedan, 5 Passenger, Body Code: 40-7559
Base Price: $3,995; Shipping Weight: 4,900 Pounds
Town Sedan, 5 Passenger, Body Code: 40-7539
Base Price: $3,635; Shipping Weight: 4,935 Pounds
Convertible Sedan, 5 Passenger, Body Code: 40-7529
Base Price: $3,945; Shipping Weight: 5,110 Pounds
Sedan, 7 Passenger, Body Code: 40-7523
Base Price: $3,310; Shipping Weight: 4,930 Pounds
Imperial Sedan, 7 Passenger, Body Code: 40-7533
Base Price: $3,360; Shipping Weight: 4,970 Pounds
Formal Sedan, 7 Passenger, Body Code: 40-7553F
Base Price: $3,995; Shipping Weight: 4,970 Pounds
Town Car, 7 Passenger, Body Code: 40-7553
Base Price: $5,115; Shipping Weight: 5,195 Pounds
Production Totals by Body Style are not available.
Fleetwood Series 40-75 Business Cars
Business Trunk Sedan, 8 Passenger, Body Code: 40-7523-L
Base Price: NA; Shipping Weight: NA Pounds
Business Trunk Imperial Sedan, 8 Passenger, Body Code: 40-7533-L
Base Price: NA; Shipping Weight: NA Pounds
Production Totals by Body Style are not available.
General Specifications, Series 40-72 & 75
8 Cylinder Engine
Wheelbase: Series 72: 138", Series 75: 141"
Engine Type: 90 Degree, L-Head V-8
Bore & Stroke: 3-1/2" X 4-1/2"
Engine Displacement: 346.0 Cu. In.
Compresssion Ratio: 6.70 to 1
Taxable Horsepower: 39.30
Horsepower: 140 @ 3,400 RPM
Torque: Not Available
Rear Axle Ratio:
Series 72: 4,31:1
Series 75: 4.58:1
Carburetor: Stromberg AAV-26 .
Tire Size: 7.50 x 16 inches; Inflation Pressures: Front 32, Rear: 32
Capacities, Series 40-72 & 75
Cooling System: 24-1/2 Quarts
Fuel Tank:
Series 72: 24 Gallons
Series 75: 26-1/2 Gallons;
Engine Oil Refill: 7 Quarts;
Grade of Oil: Above +32F 20;
Above +10F 20W;
Above -10F 10W
Manual Transmission: 2-1/2 Pints
Grade of Oil: Summer 90, Winter 90
Rear Axle: 6-1/2 Pints
Grade of Oil: Summer 90H, Winter 90H
Popular Options, Series 40-72 & 75
Standard Radio, Master Radio, Heater, Seat Covers, Spotlight, Fog Lights, Flexible Steering Wheel, Windshield Washer, Automatic Battery Filler, Wheel Discs, Wheel Trim Rings.
Historical Information
The 1940 Cadillac Series 40-72 & 75 were introduced in October 1939.
Model Year Production: Series 72: 1,525; Series 75: 956
Cadillac Fleetwood, Series 40-90, 16 Cylinder, Body Styles
Coupe, 2 Passenger, Body Code: 40-9057
Base Price: $5,340; Shipping Weight: 4,915 Pounds
Coupe, 5 Passenger, Body Code: 40-9057-B
Base Price: $5,440; Shipping Weight: 5,015 Pounds
Convertible Coupe, 2 Passenger, Body Code: 40-9067
Base Price: $5,440; Shipping Weight: 4,995 Pounds
Sedan, 5 Passenger, Body Code: 40-9019
Base Price: $5,140; Shipping Weight: 5,190 Pounds
Imperial Sedan, 5 Passenger, Body Code: 40-9019-F
Base Price: $5,215; Shipping Weight: 5,230 Pounds
Formal Sedan, 5 Passenger, Body Code: 40-9059
Base Price: $6,065; Shipping Weight: 5,190 Pounds
Town Sedan, 5 Passengr, Body Code: 40-9039
Base Price: $5,695; Shipping Weight: 5,140 Pounds
Convertible Sedan, 5 Passenger, Body Code: 40-9029
Base Price: $6,000; Shipping Weight: 5,265 Pounds
Sedan, 7 Passenger, Body Code: 40-9023
Base Price: $5,270; Shipping Weight: 5,215 Pounds
Imperial Sedan, 7 Passenger, Body Code: 40-9033
Base Price: $5,420; Shipping Weight: 5,260 Pounds
Formal Sedan, 7 Passenger, Body Code: 40-9033-F
Base Price: $6,055; Shipping Weight: 5,260 Pounds
Town Car, 7 Passenger, Body Code: 40-9053
Base Price: $7,175; Shipping Weight: 5,415 Pounds
Production Totals by Body Style are not available.
General Specifications, Series 40-90
16 Cylinder Engine
Wheelbase: 141 Inches
Engine Type: 45 Degree, Overhead Valve, V-16
Bore & Stroke: 3-" X 3-1/4"
Engine Displacement: 431.0 Cu. In.
Compresssion Ratio: 6.75 to 1
Taxable Horsepower: 57.60
Horsepower: 185 @ 3,600 RPM
Torque: Not Available
Rear Axle Ratio: 4.31:1
Left Carburetor: Carter WDO 407S
Right Carburetor: Carter WDO 408S .
Tire Size: 7.50 x 16 inches; Inflation Pressure, Front 32, Rear: 32
Capacities, Series 40-90
Cooling System: 30 Quarts
Fuel Tank: 26-1/2 Gallons;
Engine Oil Refill: 11 Quarts;
Grade of Oil: Above +32F 20;
Above +10F 20W;
Above -10F 10W
Manual Transmission: 2-1/2 Pints
Grade of Oil: Summer 90, Winter 90
Rear Axle: 6-1/2 Pints
Grade of Oil: Summer 90H, Winter 90H
Popular Options, Series 40-90
Standard Radio, Master Radio, Heater, Seat Covers, Spotlight, Fog Lights, Flexible Steering Wheel, Automatic Battery Filler, Windshield Washer, Wheel Discs, Wheel Trim Rings.
Historical Information
The 1940 Cadillac Series 40-90 was introduced in October 1939.
Model Year Production: 61
1940 CADILLAC
Tune Up Specifications, 8 Cylinder
Spark Plug Type: AC 104, Champion Y-4 or UY-6, or equivalent.
Spark Plug: Gap .025;
Point Gap: .015
Distributor Cam Angle: 25 degrees
Ignition Timing: "IGA" Mark on Viabration Damper
Firing Order: 1-8-7-3-6-5-4-2 (Odd Numbers on Left Head, Even on Right Head)
Tappet Clearance, Hot: Intake Zero", Exhaust Zero"
Cylinder Head Torque: 70-75 Ft Lbs
Valve Specifications, 8 Cylinder
Tappet Clearance, Running Hot: Intake Zero"; Exhaust Zero"
Clearance for Timing: Intake: Zero"; Exhaust: Zero"
Valve Timing: Intake Opens at TDC
Exhaust Closes 10 degrees After Top Dead Center
Valve Seat Angle: Intake 45 degrees; Exhaust 45 degrees,
Valve Spring Pressure: 66 Lbs @ 1-59/64 inches (New Springs)
Valve Stem Clearance: Intake .001"-.003"
Exhaust .002"-.004"
Piston & Ring Data, 8 Cylinder
Piston Removal: From Above
Piston Clearance (Minimum):
Top Land Inch .0196"
Top of Skirt, Inch: .002"
Fitting Pistons with Spring Scale:
Shim Thickness: .002"
Pounds Pull on Scale: 11
Width of Ring End Gap (Minimum):
Compression Ring: .007"
Oil Ring: .007"
Clearance Between Ring & Grooves:
Compression Ring:
Top Ring: .0023"-.0041"
Lower Ring: .0013"-.0026"
Oil Control Ring: .0013"-.0026"
Engine Bearing Data, 8 Cylinder All Series
Camshaft End Play: Controlled by thrust plate at front bearing.
Camshaft Bearing Clearance: .0015"-.0033"
Rod Journal Diameter: 2.459"-2.4595"
Rod Bearing Clearance: .0015"-.0025"
Rod End Play: .008"-.014" inches
Rod Bolt Tension: 50-60 Lbs. Ft.
Main Bearing Journal Diameter: 2.4995"-2.5000"
Main Bearing Clearance: .0015" -.0025"
Crankshaft End Play: .001"-.005"
Main Bolt Tension: 130-140 Lbs. Ft.
Brake Specifications, Series 60S
Lining Material: Molded
Lining Dimensions/Wheel in Inches: 24-1/2"
Width: Front: 2-1/4", Rear: 2"
Thickness: 3/16"
Pedal Free Play: 5/16"
Brake Specifications, Series 62
Lining Material: Molded
Lining Dimensions/Wheel in Inches: 24-1/2"
Width: Front: 2-1/4", Rear: 2"
Thickness: 3/16"
Pedal Free Play: 3/4"
Wheel Alignment Specifications, Series 60S, 62, & 72
Caster: - 2-1/4 Degrees
Camber: +3/8 Degrees
Toe In; 1/16"
Kingpin Angle: 5 Degrees
Wheel Alignment Specifications, Series 75 & 90
Caster: - 3/4 Degrees
Camber: +1/4 Degrees
Toe In; 1/16"
Kingpin Angle: 5 Degrees
Rear Axle Data, Series 60s, 62, 72, 75 & 90
Not Available
Tune Up Specifications, 16 Cylinder
Spark Plug Type: Champion J-8 or J-Y, or equivalent.
Spark Plug: Gap .030;
Point Gap: .015
Distributor Cam Angle: 25 degrees
Ignition Timing: "IGA" or "IGN" Mark on Flywheel
Firing Order: 1-4-9-12-3-16-11-8-15-14-7-6-13-2-5-10
(Odd Numbers on Left Head, Even on Right Head)
Tappet Clearance, Hot: Intake Zero", Exhaust Zero"
Cylinder Head Torque: 70-75 Ft Lbs
Valve Specifications, 16 Cylinder
Tappet Clearance, Running Hot: Intake Zero"; Exhaust Zero"
Clearance for Timing: Intake: Zero"; Exhaust: Zero"
Valve Timing: Intake Opens at 6 Degrees Before TDC
Exhaust Closes 12 degrees After Top Dead Center
Valve Seat Angle: Intake 45 degrees; Exhaust 45 degrees,
Valve Spring Pressure: 50 Lbs @ 1-25/32" (New Springs)
Valve Stem Clearance: Intake .001"-.003"
Exhaust .002"-.004"
Piston & Ring Data, 16 Cylinder
Piston Removal: From Above
Piston Clearance (Minimum):
Top Land Inch .0196"
Top of Skirt, Inch: .002"
Fitting Pistons with Spring Scale:
Shim Thickness: .002"
Pounds Pull on Scale: 11
Width of Ring End Gap (Minimum):
Compression Ring: .007"
Oil Ring: .007"
Clearance Between Ring & Grooves:
Compression Ring:
Top Ring: .003"-.0043"
Lower Ring: .0013"-.0026"
Oil Control Ring: .0013"-.0026"
Engine Bearing Data, 16 Cylinder
Camshaft End Play: Controlled by thrust plate at front bearing.
Camshaft Bearing Clearance: .0013"-.0025"
Rod Journal Diameter: 1.9988"-1.9993"
Rod Bearing Clearance: .0015"-.0025"
Rod End Play: .008"-.014" inches
Rod Bolt Tension: 50-60 Lbs. Ft.
Main Bearing Journal Diameter: 1.9988"-1.9993"
Main Bearing Clearance: .0015"-.0025"
Crankshaft End Play: .001"-.005"
Main Bolt Tension: 100-110 Lbs. Ft.
Brake Specifications, Series 75 & 90
Lining Material: Molded
Lining Dimensions/Wheel in Inches: 28-11/16"
Width: 2-1/4",
Thickness: 1/4"
Pedal Free Play: 5/16"
Wheel Alignment Specifications, Series 90
Caster: - 3/4 Degrees
Camber: +1/4 Degrees
Toe In; 1/16"
Kingpin Angle: 5 Degrees
Rear Axle Data, Series 90
Not Available
Dash Gauge Manufacturer:
Gasoline: AC
Temperature: AC
Oil Pressure: AC
Ammeter: AC
Beginning Engine Numbers:
Engine Numbers are identical with Serial Numbers
Beginning Serial Numbers:
Cadillac, Series 60S: 6320001
Cadillac, Series 62: 8320001
Cadillac, Series 72: 7320001
Cadillac, Series 75: 3320001
Cadillac, Series 90; 5320001
1940 Cadillac Historical Data
Model Year Introduction was in October 1939.
Total 1940 Cadillac Production was 13,045.
1940 was the final year for the Series 90, 16 Cylinder Model.
Generator Specifications, V-8:
Generator # 1102661
BrushSpring Tension: 25 Ounces
Direction of Rotation: Clockwise
Field Current @ 6 Volts: 1.75-.1.9
Maximum Cold Output: 30 Amperes, 8.0 Volts @ 1,750 RPM
Maximum Hot Output: Maximum Output Controlled by Current Regulator
Generator Specifications, Series 90:
Generator # 1102666
BrushSpring Tension: 25 Ounces
Direction of Rotation: Clockwise
Field Current @ 6 Volts: 1.75-.1.9
Maximum Cold Output: 30 Amperes, 8.0 Volts @ 1,825 RPM
Maximum Hot Output: Maximum Output Controlled by Current Regulator
Regulator Specifications:
Regulator #1118202
Voltage to Close Points, Adjust to 6.2-6.4 Volts
Reverse Current to Open Points: 0-4 Amperes
Voltage Regulator Setting, Adjust to 7.4 Volts
Maximum Operating Amperage: 34-36 Amperes
Maximum Operating Voltage (Hot): 7.2-7.4 Volts
Distributor Specifications, V-8:
Distributor #1110806
Cam Angle: 25 Degrees
Breaker Point Opening: .015"
Condensor Capacity: .20-.25 Mfds.
Breaker Arm Spring Tension: 19-23 Ounces
Centrifugal Advance Data:
Advance Starts: 1/2 Degree @ 500 RPM
Full Advance: 12 Degrees @ 2,000 RPM
Vacuum Advance Data:
Inches of Vacuum to Start Plunger Movement: 5-7 Inches
Inches of Vacuum for Full Plunger Travel: 15-18 Inches
Maximum Vacuum Advance: 9 Degrees
Distributor Specifications, V-16:
Distributor #1110601
Cam Angle: 25 Degrees
Breaker Point Opening: .015"
Condensor Capacity: .20-.25 Mfds.
Breaker Arm Spring Tension: 19-23 Ounces
Centrifugal Advance Data:
Advance Starts: 1 Degree @ 800 RPM
Full Advance: 10 Degrees @ 2,000 RPM
Vacuum Advance Data: Not Applicable
Starting Motor Data
Starter # 1107912
Brush Spring Tension: 24-28 Ounces
No Load Test: 60 Amperes, 5.0 Volts, @ 6,000 RPM
Torque Test: 600 Amperes, 3.0 Volts, 16 Ft Lbs of Torque
Carter Carburetor Data, Series 50 & 52:
Carburetor Model: WDO
Carburetor # 460S
Casting # 277
Repair Kit # 1081
Float Level: 1/8"
Idle Screw Setting, Turns Open: 1/2 - 1-1/2
Metering Rod Gauge # T109-113
Anti-Pump Travel: 25/64"
Loader Percolator Setting: .015"
Un-Idle Setting: 13/64"
Fast Idle Adjustment: .023"
Choke Lockout Adjustment: None
Carter Carburetor Data, Series 50:
Carburetor Model: WDO
Carburetor # 423S
Casting # 248
Repair Kit # 1069
Float Level: 1/8"
Idle Screw Setting, Turns Open: 1/2 - 1-1/4
Metering Rod Gauge # T109-113
Anti-Pump Travel: 25/64"
Loader Percolator Setting: .015"
Un-Idle Setting: 1/8"
Fast Idle Adjustment: .030"
Choke Lockout Adjustment: None
Carter Carburetor Data, Series V-16:
Carburetor Model: WDO
Carburetor # 407S
Casting #203
Repair Kit # N/A
Float Level: 13/64"
Idle Screw Setting, Turns Open: 1/4 - 1
Metering Rod Gauge # T109-27
Anti-Pump Travel: 19/64"
Loader Percolator Setting: .015"
Un-Idle Setting: 3/16"
Fast Idle Adjustment: .026"
Choke Lockout Adjustment: None
Carter Carburetor Data, V-16:
Carburetor Model: WDO
Carburetor # 408S
Casting # 203
Repair Kit # N/A
Float Level: 13/64"
Idle Screw Setting, Turns Open: 1/4 - 1
Metering Rod Gauge # T109-27
Anti-Pump Travel: 19/64"
Loader Percolator Setting: .015"
Un-Idle Setting: 3/16"
Fast Idle Adjustment: .026"
Choke Lockout Adjustment: None
Carter Carburetor Data, V-16:
Carburetor Model: WDO
Carburetor # 407S
Casting # 203
Repair Kit # N/A
Float Level: 13/64"
Idle Screw Setting, Turns Open: 1/4 - 1
Metering Rod Gauge # T109-27
Anti-Pump Travel: 19/64"
Loader Percolator Setting: .015"
Un-Idle Setting: 3/16"
Fast Idle Adjustment: .026"
Choke Lockout Adjustment: None
Stromberg Carburetor Data:
Carburetor # AAV-26
Part # A-19212
Code # 205-85A
Repair Kit # RK- 76
Float Level: Fuel Should be Level with Bottom of Sight Plug Hole, with Engine Idling
Throttle Position for Economizer Valve, Controlled by manifold vacuum
Throttle Valve Location for Idle: .040"
Throttle Valve Location for Vacuum Spark Control: .012"
Fast Idle Setting: 38
Choke Unloader Setting: 11/64"
Fuel Pump Data:
Pump Model: AU
Maximum Pressure: 4-1/2 PSI
Pump Model: K
Maximum Pressure: N/A
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