1928 Plymouth 1937 Plymouth Plymouth: The First Decade

1937 Plymouth Model P4 Detailed Specifications

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

 ItemReference
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Battery 

  

Cells

 3 

Voltage

 6 

Specific Gravity

  

Charged

 1.250 

Discharged

 1.150 
   
Brake, Hand 

 External Contracting 

Location

 Rear of transmission 
   
Brake, Service 

 Hydraulic Internal Expanding 
   
Cooling 

 Pump 

Capacity

 15 quarts [SK 2002 27]
   
Engine 

  

Compression Ratio

 6.7 to 1 [Chrysler 1975 P-24]
   
Ignition 

Breaker Points

  

Breaker point gap

 0.020" [SK 2002 27]

Cam Angle (Degrees)

 38° [Sk 2002 27]

Original Plugs

 Champion J11 [SK 2002 27]
   
Lubrication, Engine 

  

Oil capacity

 5 quarts [SK 2002 27]
   
Valves 

  

Tappet clearance

  

Hot engine

  

Inlet

 0.006" [SK 2002 27]

Exhaust

 0.008" [SK 2002 27]

For valve timing

  

Inlet

 0.011" [SK 2002 27]