1938 PLYMOUTH
General Specifications
Model Designations:
Plymouth Business Roadking, Model P5
Plymouth DeLuxe, Model P6
Plymouth Commercial Car, Model PT57
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 or Carter C6K1
Rear Axle Ratio: 4.10:1
Tire Size:
P6, DeLuxe: 6.00 x 16 inches; Inflation Pressure, Front 24, Rear, 30
P 5 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 P6X.
An "Optional Engine" was also offered which developed 85 Horsepower @ 3,600 RPM, and Torque of 156 Ft Lbs @ 1,200 RPM. All other data is the same as above.
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.
The "Economy Engine" developed 65 Horsepower and used a 1" Carburetor. All other data is the same as above.
P5, Roadking, Series
2 Door Business Coupe, 2 Passenger, Body Code: BC
Base Price: $645; Shipping Weight: 2,694 Pounds; Production Total: 15,932
2 Door Trunk Sedan, 5 Passenger, Body Code: 406
Base Price: $ 701; Shipping Weight: 2,779 Pounds: Production Total: 16,413
2 Door Sedan, 5 Passenger, Body Code: 416
Base Price: $685; Shipping Weight: 2,744 Pounds: Production Total: 15,393
4 Door Trunk Sedan, 5 Passenger, Body Code: 405;
Base Price: $746; Shipping Weight: 2,824 Pounds; Production Total: 18,664
4 Door Sedan, 5 Passenger, Body Code: 415
Base Price: $730; Shipping Weight: 2,774 Pounds; Production Total: 6,459
2 Door Rumble Seat Coupe, 2/4 Passenger, Body Code: TPC
Production Total: 338 (Built for export only)
DeLuxe, P6 Series
2 Door Business Coupe, 2 Passenger, Body Code: BC
Base Price: $730; Shipping Weight: 2,754 Pounds; Production Total: 27,181
2 Door Rumble Seat Coupe, 2/4 Passenger, Body Code: TPC
Base Price: $770; Shipping Weight: 2,799 Pounds; Production Total: 2,000
2 Door Convertible Coupe, 2/4 Passenger, Body Code: 404
Base Price: $850; Shipping Weight: 2,964 Pounds; Production Total: 1,900
2 Door Sedan, 5 Passenger, Body Code: 416
Base Price: $773; Shipping Weight: 2,814 Pounds; Production Total: 1,222
2 Door Trunk Sedan, 5 Passenger, Body Code: 406
Base Price: $785; Shipping Weight: 2,819 Pounds; Production Total: 46,669
4 Door Sedan, 5 Passenger, Body Code: 415
Base Price: $803; Shipping Weight: 2,834 Pounds; Production Total: 1,446
4 Door Trunk Sedan, 5 Passenger, Body Code: 405
Base Price: $815; Shipping Weight: 2,844; Production Total: 119,669
4 Door Sedan, 7 Passenger, Body Code: 408;
Base Price: $1,005; Shipping Weight: 3,239; Production Total: 1,824
4 Door Limousine Sedan, 7 Passenger, Body Code: NA;
Base Price: $ 1,095; Shipping Weight: 3,289 Pounds: Production Total: 75
4 Door Westchester. 7/8 Passenger, Body Code: NA
Base Price: $880; Shipping Weight: 3,039 Pounds: Production Total: 555
4 Door Taxi, 7 Passenger, Body Code: NA; Production Total: 35
Chasis, Body Code: NA; Production Total: 2,004
Chasis, 7 Passenger, Body Code: NA; Production Total: 23
PT57, Commercial Series
2 Door Pickup, 2 Passenger Body Code: K-8-2-LR;
Base Price: $585; Production Total: 4,620
2 Door Cab & Chasis, 2 Passenger, Body Code: NA;
Base Price: $560; Production Total: 95
2 Door Sedan Delivery, 2 Passenger, Body Code: K-1-3;
Base Price: $695; Production Total: 1,601
1938 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: 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: 14 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: P6-1001
Beginning Serial Numbers: P5 Series 1240001, Detroit, Michigan
3105301, Los Angeles, California
9097601, Evansville, Indiana
P6 Series 10470001. Detroit, Michigan
3026001. Los Angeles, California
20001001, 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: +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, P5 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 - P6 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-4056
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 #B6H1
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: 20/64" (Medium Stroke)
Carburetor Model: BB
Part #B6J1
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: 20/64" (Medium Stroke)
Carburetor Model: BB
Part #C6J1
Casting # Stamped on Webbing of Bowl Cover or Attached Tag
Repair Kit # 1012B
Float Level: 5/64"
Idle Screw Setting: 1/2 to 1-1/4 Turns
Metering Rod Gauge: None
Pump Travel: 25/64" (Medium Stroke)
Carburetor Model: BB
Part #C6K1
Casting # Stamped on Webbing of Bowl Cover or Attached Tag
Repair Kit # 1012B
Float Level: 5/64"
Idle Screw Setting: 1/2 to 1-1/4 Turns
Metering Rod Gauge: None
Pump Travel: 25/64" (Medium Stroke)
Fuel Pump Data:
Pump Type: B or AL
Maximum Pressure: 3-1/2 PSI
Pump Type: AT
Maximum Pressure: 4-1/4 PSI
Dash Gauge Manufacturer:
Gasoline: Moto Meter Neco
Temperature: Moto Meter Neco
Oil Pressure: Moto Meter Neco
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, Rubber Bladed Electric Fan, Trunk Lamp, Fog Lights, Bumper Guards, Radiator Grille Cover, Radiator Insect Screen, Adjustable Radiator Shutters, Exhaust Extensions, Wheel Trim Rings, Wheel Discs, License Plate Frames; Locking Gas Cap, Clock Mirror (30 Hour & 200 Hour),
1938 Plymouth Historical Data
Total 1938 Plymouth Production was 204,603
Copyright 1999, Custom Solutions & Services
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