1939 PLYMOUTH


General Specifications


Model Designations:

Plymouth Roadking, Model P7

Plymouth DeLuxe, Model P8

Plymouth Commercial Car, Model PT81


82 Horsepower 6 Cylinder Engine

Wheelbase: 114 Inches

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

Engine Displacement: 201.3 Cu. In.

Compresssion Ratio: 6.70 to 1

Taxable Horsepower: 23.44

Horsepower: 82 @ 3,600 RPM

Torque: 145 Ft Lbs @ 1,200 RPM

Carburetor: Carter B6K1 or Carter B6M1 or Carter DGA1-2 or Carter D6C1-1

Rear Axle Ratio: 3.9:1

Tire Size:

P8, DeLuxe: 6.00 x 16 inches; Inflation Pressure, Front 28, Rear, 28

P7, Series: 5.50 X 16 inches; Inflation Pressure: Front 32, Rear 32


Optional Engine developed 86 Horsepower @ 3,600 RPM, Compression Ratio of 7.0:1, and developed Torque: 156 Ft Lbs @ 1,200 RPM. Used the following Carburetors: Carter B6K1, DGA1-2, or D6C1-2. All other data is the same as above.

Cars built for export were equipped with a 170.4 Cubic Inch Engine; 2-7/8" Bore and 4-3/8" Stroke, identified by engine code number of PX8.


The "Commercial Engine" developed 70 Horsepower @ 3,000 RPM and Torque of 145 Ft. Lbs. @ 1,200 RPM. All other date is the same as above.



P7, Roadking, Series


2 Door Business Coupe, 3 Passenger, Body Code: 103

Base Price: $645; Shipping Weight: 2,274 Pounds; Production Total: 22,537


2 Door Trunk Sedan, 5 Passenger, Body Code: 106

Base Price: $ 699; Shipping Weight: 2,824 Pounds: Production Total: 42,186


2 Door Sedan, 5 Passenger, Body Code: 116

Base Price: $740; Shipping Weight: 2,829 Pounds: Production Total: 23,047


4 Door Trunk Sedan, 5 Passenger, Body Code: 105;

Base Price: $746; Shipping Weight: 2,824 Pounds; Production Total: 18,664


4 Door Sedan, 5 Passenger, Body Code: 115

Base Price: $726; Shipping Weight: 2,839 Pounds; Production Total: 2,553


2 Door Utility Sedan, 1 Passenger, Body Code: NA

Base Price: $685; Shipping Weight: NA; Production Total: 341


2 Door Panel Delivery, 1 Passenger, Body Code: 723

Base Price: $715; Shipping Weight: NA; Production Total: 2,270


2 Door Rumble Seat Coupe, 2/4 Passenger, Body Code: NA: Production Total: 222 (Built for Export Only)


4 Door Station Wagon, 7/8 Passenger, Body Code: NA; Production Total: 97 (Built for Export Only)


Chasis, Body Code: NA; Production Total: 1,616




DeLuxe, P8 Series


2 Door Business Coupe, 3 Passenger, Body Code: 103

Base Price: $725; Shipping Weight: 2,789 Pounds; Production Total: 41,924


2 Door Rumble Seat Coupe, 2/4 Passenger, Body Code: NA

Base Price: $755; Shipping Weight: 2,874 Pounds; Production Total: 1,332


2 Door Sedan, 5 Passenger, Body Code: 116

Base Price: $761; Shipping Weight: 2,889 Pounds; Production Total: 2,666


2 Door Trunk Sedan, 5 Passenger, Body Code: 106

Base Price: $775; Shipping Weight: 2,894 Pounds; Production Total: 80,981


4 Door Sedan, 5 Passenger, Body Code: 115

Base Price: $791; Shipping Weight: 2,909 Pounds; Production Total: 2,279


4 Door Trunk Sedan, 5 Passenger, Body Code: 105

Base Price: $805; Shipping Weight: 2,919; Production Total: 175,054


4 Door Convertible Sedan, 5 Passenger, Body Code: CS

Base Price: $1,150; Shipping Weight: N/A; Production Total: 387


4 Door Sedan, 7 Passenger, Body Code: NA;

Base Price: $1,005; Shipping Weight: 3,374; Production Total: 1,837


4 Door Limousine Sedan, 7 Passenger, Body Code: NA;

Base Price: $ 1,095; Shipping Weight: 3,374 Pounds: Production Total: 98


4 Door Station Wagon, 7/8 Passenger, Body Code: NA

Base Price: $970; Shipping Weight: 3,189 Pounds: Production Total: 1,680


2 Door Utility Sedan, 1 Passenger, Body Code: NA

Base Price: NA; Shipping Weight: NA; Production Total: 13


4 Door Taxi, 7 Passenger, Body Code: NA; Production Total: 12


Chasis, Body Code: NA; Production Total: 900


Chasis, 7 Passenger, Body Code: NA; Production Total: 35



PT81, Commercial Series


2 Door Pickup, 2 Passenger Body Code: M-1-2;

Base Price: $575; Shipping Weight: 2,600 Pounds: Production Total: 6,181


2 Door Cab & Chasis, 2 Passenger, Body Code: NA;

Base Price: $545; Shipping Weight: 2,600 Pounds: Production Total: 140






1939 PLYMOUTH


Tune Up Specifications


Spark Plug Type:

Regular Heads: Champion J-8, J-11, or Equivalent

Aluminum Heads: Champion J-9 (Long Reach), H-10, or Equivalent

Spark Plug: Gap .025;

Point Gap: .020

Distributor Cam Angle: 38 degrees

Ignition Timing: TDC Mark on Vibration Damper

Firing Order: 153624

Tappet Clearance, Hot: Intake .006, Exhaust .008

Cylinder Head Torque: 65-70 Ft Lbs


Valve Specifications


All Series, with 82 Horsepower Engine

Tappet Clearance, Running Hot: Intake .006; Exhaust .008

Clearance for Timing: Intake: .011; Exhaust: .012

Valve Timing: Intake Opens 6 Degrees After Top Dead Center

Exhaust Closes 8 degrees After Top Dead Center

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

Valve Spring Pressure: 34 Lbs @ 1-3/4 inches (New Springs)

Valve Stem Clearance: Intake .001-.003;

Exhaust .003-.005




Piston & Ring Data


82 Horsepower Engine

Piston Removal: From Above

Piston Clearance (Minimum):

Top Land Inch .021;

Top of Skirt, Inch: .005"

Fitting Pistons with Spring Scale:

Shim Thickness: .002"

Pounds Pull on Scale: 6 to 9

Width of Ring End Gap (Minimum):

Compression Ring: .007

Oil Ring: .007

Clearance Between Ring & Grooves:

Compression Ring: .002-.004

Oil Control Ring: .001-.025


Engine Bearing Data


82 Horsepower Engine

Camshaft End Play: .002-.006

Camshaft Bearing Clearance: .001-.003

Rod Journal Diameter: 1.9365-1.9375 Inches

Rod Bearing Clearance: .001-.002 inches

Rod End Play: .006-.011 inches

Rod Bolt Tension: 45-50 Lbs. Ft.

Main Bearing Journal Diameter: 2.249"-2.250"

Main Bearing Clearance: .001 -.002 inch

Crankshaft End Play: .003-.007 Inch

Main Bolt Tension: 75-80 Lbs. Ft.



Capacities


All Series, With 82 Horsepower Engine

Cooling System: 14 Quarts

Fuel Tank: 18 Gallons;

Engine Oil Refill: 5 Quarts;

Grade of Oil: Above +32F 20;

Above +10F 20W;

Above -10F 10W

Manual Transmission: 2-3/4 Pints

Grade of Oil: Summer 90, Winter 90

Rear Axle: 3-1/4 Pints

Grade of Oil: Summer 90H, Winter 90H



Beginning Engine Numbers: All Series: P8-1001


Beginning Serial Numbers: P7 Series 1298001, Detroit, Michigan

3110001, Los Angeles, California

9150401, Evansville, Indiana

P8 Series 10630001. Detroit, Michigan

3222001. Los Angeles, California

20027001, Evansville, Indiana





Brake Specifications


Lining Material: Molded

Lining Dimensions/Wheel in Inches: Length, 18,

Width, 2",

Thickness, 3/16"

Pedal Free Play: 3/8"


Wheel Alignment Specifications


Caster: Zero;

Camber: +3/8;

Toe In; 1/16 inches;

Kingpin Angle: 5-7/8 Degrees


Rear Axle Data


Ring Gear & Pinion Backlash: .006-.010 inch

Drive Pinion Adjustment: Shims

Drive Pinion Bearing Adjustment: Shims

Axle Shaft End Play: .003-.008 inch



Auto Lite Distributor Specifications


Distributor #1GS-4103B-1

Cam Angle: 38 Degrees

Breaker Point Opening: .020"

Condenser Capacity: .25-.28 Mfds

Breaker Arm Spring Tension: 17-20 Ounces

Centrifugal Advance Data:

Advance Starts: 3 Degrees @ 400 RPM

Full Advance: 11 Degrees @ 1,850 RPM

Vacuum Advance Data:

Advance Starts: 2 Degrees @ 6-3/4" Vacuum

Full Advance: 10 Degrees @ 14" Vacuum




Auto Lite Distributor Specifications


Distributor #1GS-4103A-1

Cam Angle: 38 Degrees

Breaker Point Opening: .020"

Condenser Capacity: .25-.28 Mfds

Breaker Arm Spring Tension: 17-20 Ounces

Centrifugal Advance Data:

Advance Starts: 3 Degrees @ 400 RPM

Full Advance: 11 Degrees @ 1,850 RPM

Vacuum Advance Data:

Advance Starts: 2 Degrees @ 7-3/8" Vacuum

Full Advance: 10 Degrees @ 17" Vacuum




Auto-Lite Generator Specifications, P7 Model


Generator #GBM-4606C-1

Brush Spring Tension:

Main Brush: 50-60 Ounces

Third Brush: 50-60 Ounces

Direction of Rotation: Clockwise

Field Current @ 6 Volts: 3.80-4.20 Amperes

Low Output Test: 8 Amperes @ 1,300 RPM w/7.6 Volts

Maximum Output: 19 Amperes; 8 Volts



Auto-Lite Generator Specifications - P8 Models


Generator #GCJ-4801A

Brush Spring Tension:

Main Brush: 53 Ounces (Maximum)

Third Brush: 53 Ounces (Maximum)

Direction of Rotation: Clockwise

Field Current @ 6 Volts: 1.90-2.10 Amperes

Low Output Test: 8 Amperes @ 1,270 RPM w/8 Volts

Maximum Output: 32 Amperes; 8 Volts




Auto-Lite Regulator Specifications - Standard Models:


Regulator Type: Regulated by Third Brush

Part #CB-4014

Voltage to Close Relay Points: 6.5-7.25

Amperage to Open Relay Points: .5-2.5 Amperes

Maximum Operating Amperage: 15 Amperes

Armature Air Gap: .010-.030"

Point Opening: .015-.045"





Auto-Lite Regulator Specifications - DeLuxe Models:

Regulator Type: Voltage

Part #VRD-4002B

Ground Polarity: Positive

Voltage to Close Relay Points: 6.4-7.0

Amperage to Open Relay Points: .5 to 3.0 Amperes

Maximum Operating Voltage @ 70 Degrees:

Before Serial #8R-000001: 7.65 Volts

Serial #8R-000001 & Later: 7.45 Volts



Starting Motor Specifications

Part #MZ-4062

Brush Spring Tension: 42-53 Ounces

No Load Test: 70 Amperes, 5.5 Volts @ 4,300 RPM

Lock Test: 560 Amperes, 4.0 Volts @ 11.8 Ft Lbs Torque



Carter Carburetor Specifications


Carburetor Model: BB

Part #B6K1

Casting # Stamped on Webbing of Bowl Cover or Attached Tag

Repair Kit # N/A

Float Level: 5/64"

Idle Screw Setting: 1/2 to 1-1/4 Turns

Metering Rod Gauge: None

Pump Travel: 20/64" (Medium Stroke



Carburetor Model: BB

Part #B6M1

Casting # Stamped on Webbing of Bowl Cover or Attached Tag

Repair Kit # N/A

Float Level: 5/32"

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

Metering Rod Gauge: None

Pump Travel: 25/64" (Medium Stroke)



Carburetor Model: BB

Part #D6A1-2

Casting # Stamped on Webbing of Bowl Cover or Attached Tag

Repair Kit # 1014E

Float Level: 5/64"

Idle Screw Setting: 1/2 to 1-1/4 Turns

Metering Rod Gauge: None

Pump Travel: 24/64" (Medium Stroke)



Carburetor Model: BB

Part #D6C1-2

Casting # Stamped on Webbing of Bowl Cover or Attached Tag

Repair Kit # 1014E

Float Level: 5/64"

Idle Screw Setting: 1/2 to 1-1/4 Turns

Metering Rod Gauge: None

Pump Travel: 24/64" (Medium Stroke)




Fuel Pump Data:


Pump Type: AT

Maximum Pressure: 4-1/4 PSI



Dash Gauge Manufacturer:


Gasoline: Auto-Lite

Temperature: Auto-Lite

Oil Pressure: Auto-Lite

Ammeter: Auto-Lite




Popular Options

Fender Skirts, Pushbutton Radio, Electric Clock, Cigar Lighter, Spotllight, Heavy Duty Air Cleaner, Glove Box Lock, Oil Filter, Rear Seat Speaker, DeLuxe Steering Wheel, Chrome Wheel Rings, Wiper Vacuum Booster Pump, Heater, Defroster, Trunk Lamp, Fog Lights, Bumper Guards, Radiator Grille Cover, Radiator Insect Screen, Exhaust Extensions, Wheel Trim Rings, Wheel Discs, License Plate Frames; Locking Gas Cap, Clock Mirror, Power Gear Shift




1939 Plymouth Historical Data


Total 1939 Plymouth Production was 315,161.

The 3 Millionth Plymouth was produced during 1939.


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