1937 PLYMOUTH

General Specifications

Model Designations:

Plymouth Business, Model P3

Plymouth DeLuxe, Model P4

Plymouth Commercial Car, Model PT50

82 Horsepower 6 Cylinder Engine

Wheelbase: 112 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 BB439S or Carter C6H1 or Carter C6G1-2 or Carter C6F1-5

Rear Axle Ratio:

DeLuxe Sedans: 4.1:1

7 Passenger: 4.3:1

DeLuxe Coupes and All Business P3: 3.9:1

Tire Size:

P4, DeLuxe: 6.00 x 16 inches; Inflation Pressure, Front 28, Rear, 28

P 3 Series: 5.50 X 16 inches; Inflation Pressure: Front 32, Rear 32

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 P2X. All other data as above.

An "Economy Engine" was also offered which developed 65 Horsepower @ 3,000 RPM, included a 1" Carburetor and a 3.73:1 Rear Axle Ratio. All other data as above.

"Commercial Engine," Compression Ratio 6.7:1; 70 Horsepowr @ 3,000 RPM, Torque: 145 Ft Lbs @ 1,200 RPM; Carburetor: Chandler Groves A2.

P3 Series

2 Door Business Coupe, 2 Passenger, Body Code: 903

Base Price: $510; Shipping Weight: 2,700 Pounds; Production Total: 18,202

2 Door Sedan, 5 Passenger, Body Code: 911

Base Price: $550; Shipping Weight: 2,770 Pounds; Production Total: 28,685

4 Door Sedan, 5 Passenger, Body Code: 910

Base Price: $595; Shipping Weight: 2,770 Pounds: Production Total: 16,000

2 Door Trunk Sedan, 5 Passenger, Body Code: 906

Base Price: $ N/A; Production Total: 1,350

4 Door Trunk Sedan, 5 Passenger, Body Code: 905; Production Total: 7,842

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

Production Total: 1,025 (Build for export only)

DeLuxe, P4 Series

2 Door Business Coupe, 2 Passenger, Body Code: 903

Base Price: $575; Shipping Weight: 2,765 Pounds; Production Total: 67,144

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

Base Price: $625; Shipping Weight: 2,810 Pounds; Production Total: 6,877

2 Door Convertible Coupe, 2/4 Passenger, Body Code: 904

Base Price: $745; Shipping Weight: 2,920 Pounds; Production Total: 3,110

2 Door Sedan, 5 Passenger, Body Code: 911

Base Price: $640; Shipping Weight: 2,825 Pounds; Production Total: 7,926

2 Door Trunk Sedan, 5 Passenger, Body Code: 906

Base Price: $650; Shipping Weight: 2,840 Pounds; Production Total: 111,099

4 Door Sedan, 5 Passenger, Body Code: 910

Base Price: $680; Shipping Weight: 2,840 Pounds; Production Total: 269,062

4 Door Trunk Sedan, 5 Passenger, Body Code: 905

Base Price: $ N/A; Shipping Weight: N/A; Production Total: 1,702

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

Base Price: $995; Shipping Weight: 3,255; Production Total: 1,840

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

Base Price: $ 1,095; Production Total: 63

4 Door Taxi, 7 Passenger, Body Code: NA; Production Total: 500

Chasis, Body Code: NA; Production Total: 27

Chasis, 7 Passenger, Body Code: NA; Production Total: N/A

PT50 Series

Pickup, Body Code: K-8-2-LR; Base Price: $525; Production Total: 10,709

Cab & Chasis, Body Code: NA; Base Price: $495; Production Total: 158

Sedan Delivery, Body Code: NA; Base Price: $655; Production Total: 3,256

Station Wagon, Body Code: NA; Base Price: $740; Production Total: 602

1937 PLYMOUTH

Tune Up Specifications

Spark Plug Type:

Regular Heads: Champion J-8 or 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: 4th Line after TDC mark on fan pulley

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: 15 Quarts

Fuel Tank: 16 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: P4-1001

Beginning Serial Numbers: P3 Series 1184001, Detroit, Michigan

3101401, Los Angeles, California

9085551, Evansville, Indiana

P4 Series 10101001. Detroit, Michigan

3162501. Los Angeles, California

9950001, Evansville, Indiana

Brake Specifications

Lining Material: Molded

Lining Dimensions/Wheel in Inches: Length, 19-11/16,

Width, 2",

Thickness, 3/16"

Pedal Free Play: 3/8"

Wheel Alignment Specifications

Caster: +2;

Camber: +3/8;

Toe In; 1/16 inches;

Kingpin Angle: 5 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-4003B-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 Generator Specifications, P3 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 - P4 Models

Generator #GCJ-4802A

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 @ 1,135 RPM w/8 Volts

Maximum Output: 26 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-4002A

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 #MAW-4009

Brush Spring Tension: 42-53 Ounces

No Load Test: 65 Amperes, 5.5 Volts @ 4,900 RPM

Lock Test: 670 Amperes, 4.0 Volts @ 18.0 Ft Lbs Torque

Carter Carburetor Specifications

Carburetor Model: BB

Part #B6G1

Casting # Stamped on Webbing of Bowl Cover or Attached Tag

Repair Kit # N/A

Float Level: 5/64"

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

Metering Rod Gauge: None

Pump Travel: Longest Stroke in Winter, Shortest Stroke in Summer

Carburetor Model: BB

Part #C6F1-5

Casting # Stamped on Webbing of Bowl Cover or Attached Tag

Repair Kit # 1011B

Float Level: 5/64"

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

Metering Rod Gauge: None

Pump Travel: Longest Stroke in Winter, Shortest Stroke in Summer

Carburetor Model: BB

Part #C6H1

Casting # Stamped on Webbing of Bowl Cover or Attached Tag

Repair Kit # 1011B

Float Level: 5/64"

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

Metering Rod Gauge: None

Pump Travel: Longest Stroke in Winter, Shortest Stroke in Summer

Fuel Pump Data:

Pump Type: B

Maximum Pressure: 3-1/2 PSI

Dash Gauge Manufacturer:

Gasoline: Moto Meter Neco

Temperature: Moto Meter Neco

Oil Pressure: Moto Meter Neco

Ammeter: Auto-Lite

Popular Options

Fender Skirts, Bumper Guards, Radio, Electric Clock, Cigar Lighter, Seat Covers, Spotlight, Automatic Choke, Clock Mirrors (8 Day & 30 Hour), Footrest, Dual Air Horns, Kool Cushion, Right Hand Windshield Wiper, Oil Bath Air Cleaner, Vanity Visor Mirror, Heater, Exhaust Extension, Defroster, Electric Defrost Fan, Hand Brake Extension, Locking Gas Cap, DeLuxe Steering Wheel, Radiator Ornament , License Plate Frames, Leather Upholstery.

1937 Plymouth Historical Data

Total 1937 Plymouth Production was 478,350

The 2 millionth Plymouth was produced during 1937.

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