1933 Plymouth PD

Detailed specifications, including tolerances and tune-up data are from [Chrysler 1934a] unless otherwise noted.

Axle, FrontHeat Treated Tubular
1. Steering Knuckle and Arms MaterialChrome-Nickel Steel Forgings
2. Steering Knuckle (King Pin) BushingsBronze
  1. Upper47/64" x 1-7/32"
  2. Lower47/64" x 1-7/32"
3. Knuckle thrustBall - Bottom
4. Wheel bearingsTaper-roller
  1. Maximum end play0.003"
5. Toe in1/16"
6. Caster1° - 3°
7. Camber1/4° - 3/4°
8. Pivot Angle9°
Axle, RearSemi-floating
1. Housing
  1. MaterialSteel
  2. Thickness5/32"
2. Drive Gears
  1. TypeSpiral Bevel
  2. MaterialNickel Alloy Steel, Carburized and Hardened
  3. Ratio4.375 to 1
  4. Diameter and width8-3/4" x 1-3/16"
  5. Gear and Pinion backlash0.006" to 0.010"
3. Pinion shaft end play0.0015" to 0.0025"
4. Differential side gear and pinion backlash0.017"
5. Axle shaft diameter outer bearing1-1/4"
BatteryWillard
1. Ampere hour capacity84
2. Cells3
3. Plates13
4. Voltage6
5. LocationUnder Front Seat
6. Specific Gravity
  1. Charged1.250
  2. Discharged1.150
BodiesPlymouth Safety Steel
Brake, HandExternal Contracting
1. LocationRear of transmission
2. Drum diameter6"
3. Lining width2"
4. Lining to drum clearance1/16"
Brake, ServiceHydraulic Internal Expanding
1. Drum Diameter10"
2. Shoe width1-1/2"
3. Shoe to drum clearance:
  1. Bottom0.004"
  2. Top0.010"
4. Pedal to floor board free play, maximum1/4" to 3/8"
Camshaft
1. Bearings4
2. Size, diameter and length:
  1. No. 12" x 1-3/32"
  2. No. 21-31/32" x 3/4"
  3. No. 31-15/16" x 3/4"
  4. No. 41-1/4" x 1-1/4"
3. TypeFront Detachable, Nos. 2, 3 and 4 Machined in Crankcase
4. LubricationPressure Feed
5. End play0.003" to 0.005"
CarburetorCarter B&B C6A2
1. TypePlain Tube, Downdraft
2. Nominal Size (S.A.E.)1 1/4" (31.75 mm.)
3. AdjustmentsAccelerator Pump, Idle Mixture
4. Choke ControlManual
5. Air Cleaner — TypeOiled Copper Gauze
6. Intake SilencerIntegral with Air Cleaner
7. Manifold Heat ControlAutomatic
ClutchSingle plate
1. Driven disc diameter9"
2. Release bearingBall
3. Release lever to bearing clearance3/32"
4. Disc run-out at rim (Maximum)0.015"
5. Spring tension200 lb. to 220 lb. at 1-11/16"
6. Pedal free play1-1/8"
Connecting RodDrop forged I section
1. Between centers8-1/16"
2. BearingsSteel back babbitt insert
  1. Diameter and Width1-15/16" x 1"
  2. Clearance0.0075" to 0.0025"
  3. Side play0.003" to 0.009"
3. Weight variation limit1/4 oz.
4. Alignment limits at pin:
  1. Twist0.001"
  2. Bend0.001"
Cooling
1. TypePump
2. Pump
  1. TypeCentrifugal
  2. DriveV Belt
  3. Drive AdjustmentBy Moving Generator
3. Fan
  1. LocationOn Water Pump Shaft
  2. DriveV Belt
  3. Drive AdjustmentBy Moving Generator
  4. Number of Blades4
  5. Outside Diameter17" (43.18 cm.)
4. Radiator CoreCellular
5. Circulation ControlThermostat
6. Thermostat LocationCylinder Head Outlet Elbow
7. Heat Indicator TypeLiquid
8. Capacity3 1/4 Gallons
Crankshaft
1. TypeCounterweighted
2. BalanceStatic and Dynamic
3. Counterweights
  1. TypeIntegral
  2. Number7
4. Impulse Neutralizer — TypeInertia, Rubber Insulated
5. BearingsSteel back babbitt insert
  1. Diameter and length
    1. No. 12-1/4" x 1-15/64"
    2. No. 22-1/4" x 1-1/32"
    3. No. 32-1/4" x 2-7/8"
    4. No. 42-1/4" x 1-1/32"
  2. Clearance0.001" to 0.002"
  3. End play0.003" to 0.007"
  4. Thrust Taken ByRear Bearing
6. Run-out center bearing maximum0.001"
Drive TypeHotchkiss
Cylinders
1. Maximum taper before reconditioning0.0015"
2. Maximum out of round before reconditioning0.002"
3. Reconditioning working limits0.0005"
Engine
1. Valve ArrangementL-Head
2. Number of cylinders6
3. Bore3-1/8"
4. Stroke4-1/8"
5. Piston displacement189.8 cu. in.
6. N.A.C.C. horsepower23.43
7. Developed horsepower70
8. Firing Order1-5-3-6-2-4 [Chrysler 1933a 92]
9. Compression Ratio [Chrysler 1975 P-24]
  1. Standard5.5 to 1
  2. Optional aluminum head6.5 to 1
10. Cylinder FinishReamed and Honed
11. Compression pressure90 PSI at cranking speed [SK 2002 27]
Flywheel
1. MaterialGray Iron
2. Starter Ring Gear MaterialSteel
FramePressed steel
1. Length158-1/4"
2. Depth of channel5"
3. Flange width2"
4. Thickness7/64"
5. Cross membersRigid X
Free Wheeling
1. TypeCam and Roller
2. LocationRear of Transmission
3. Selective Control LocationInstrument Panel
4. Operation
  1. Forward SpeedsOperative in All
  2. ReverseAutomatic Lock-Out
Fuel System
1. TypePump
2. Pump TypeCamshaft Eccentric
3. Tank capacity15 gal.
4. Tank MaterialRust-Proof, Terne Plate
5. Gauge TypeElectric
GeneratorDelco-Remy 937-E [NAPA 1937]
1. TypeThird Brush Regulation
2. DriveV Belt
3. Relay TypeCutout
4. Maximum cold charging rate at 20 MPH18 amps. 8.6 volts, 2400 r.p.m.
5. Maximum hot charging rate14 amps. 8.0 volts, 2800 r.p.m.
Horn
1. Standard EquipmentKlaxon 31
2. Horn Type1364, 1830, 1371, or 1831
3. LocationUnder Hood
4. ControlButton on Steering Wheel
5. Amps @6v5 to 7.5 [SK 1984 10]
6. Air Gap (High Note)0.015 to 0.017" [SK 1984 10]
7. Air Gap (Low Note)0.020 to 0.022" [SK 1984 10]
IgnitionFull Automatic
1. Firing Order1-5-3-6-2-4
2. DistributorDelco Remy 644H [NAPA 1937]
3. Breaker Points
  1. Breaker point gap0.020"
  2. Cam Angle (Degrees)36°[Sk 2002 27] and [NAPA 1937]
  3. Set points to open before top dead centerTop dead center
4. Distributor Test Specifications
  1. Delco Remy 644H[NAPA 1937]
    1. Mechanical Advance14° at 1200 RPM.
    2. Contact spring tension19 to 23 oz.
5. Spark plugs14 mm. metric
  1. Original PlugsAC S9 [SK 2002 27]
  2. Gap0.025"
Lamps
1. Head1116 (?)
2. Park63
3. Instrument63
4. Dome81
5. Stop and Tail1158
6. Fuse(s)
  1. Back of Ammeter20 amp. [NAPA 1937]
Lubrication, EnginePressure
1. Oil capacity5 quarts
2. Oil pressure at 30 MPH30 P.S.I. Minimum
Piston PinsFloating in piston and rod
1. Diameter and length55/64" x 2-5/8"
2. Clearance in pistonTight thumb push at normal room temperature
Piston Rings
1. Number per piston4
2. Width
  1. Upper - Compression1/8" 2 rings
  2. Center - wiper1/8"
  3. Lower - oil control5/32"
3. Gap clearance
  1. Upper - compression0.005" to 0.010"
  2. Center - wiper0.007" to 0.015"
  3. Lower - oil control0.007" to 0.015"
4. Maximum side clearance in groove0.003"
PistonsAluminum T-slot
1. Length3-11/16"
2. Feeler gauge clearance
  1. Head0.022"
  2. Skirt
    1. Top0.003" to 0.0035" measured on thrust side of piston.
    2. Botton0.0015" to 0.002" measured on thrust side of piston.
3. Weight variation limit1/4 oz.
Speedometer Data
1. Tire size5.25/17
2. Axle ratio4.375 to 1
3. Speedometer gear teeth in transmission5-16
SpringsSemi-elliptic
1. Front:
  1. Length and width36" x 1-1/2"
  2. Leaves7
2. Rear:
  1. Length and width53-1/2" x 1-1/2"
  2. Leaves8
Steering GearWorm and worm wheel
1. Steering wheel17-1/4" three spoke
Tires5.25/17
1. Pressure
  1. Front32 lbs.
  2. Rear32 lbs.
Transmission3 speed
1. High and intermediateConstant mesh with sliding clutch
2. Type of gearsHelical
3. Second speed gear maximum end play0.002"
4. Free wheel drive shaft bearing end play0.002"
Valves
1. InletChrome nickle
2. ExhaustSilcrome
3. Clearance diameter of opening
  1. Inlet1-5/16"
  2. Exhaust1-5/16"
4. Stem diameter11/32"
  1. Clearance in guide
    1. Inlet0.001" to 0.003"
    2. Exhaust0.003" to 0.005"
5. Seat angle45°
6. Lift5/16"
7. Tappet clearance
  1. Hot engine
    1. Inlet0.005"
    2. Exhaust0.007"
  2. For valve timing
    1. Inlet0.011"
    2. Exhaust0.012"
8. Timing
  1. Inlet opens past top center6°
  2. Piston travel0.014"
  3. Inlet closes past bottom center46°
  4. Duration of inlet220°
  5. Exhaust opens before bottom center42°
  6. Exhaust closes past top center8°
  7. Piston travel0.025"
  8. Duration of exhaust230°
9. Springs
  1. Length, valve closed1-3/4"
  2. Tension, valve closed38 to 47 lbs.
  3. Limit of compression1-7/16"

Plymouth: The First Decade

1933 Plymouth PD