159 Gas Specifications


Type4 Cyl., 4 Cycle - Valve in Head
Firing Order1-3-4-2
Cylinder Bore3-1/2"
Piston Displacement159 Cu. In.
Compression Ratio7.42 to 1
Exhaust Valve RotatorsPositive Type
Valve Clearance0.14(Hot)
Cylinder SleevesWet Replaceable Type
Engine Idle Speed600 RPM
Full Load Speed (Standard Clutch)1900 RPM
Full Load Speed (Torque Converter)2100 RPM
No Load Speed (Standard Clutch)2060 RPM
No Load Speed (Torque Converter)2250 RPM

Engine Lubricating System

Oil Pressure24-32 lbs. (Engine warm and full RPM)
Oil PumpGear Type With Floating Intake Screen

Fuel System

Carburetor1-1/4" SAE Flange
Fuel StrainerIn Sediment Bowl Under Fuel Tank
Fuel GaugeElectrical, Located on Instrument Panel
Fuel Tank Capacity22 Gallons

Distributor Ignition

Contact Point Gap0.020"
Dwell Angle42°
Ignition Timing 
  1900 RPM (Standard Clutch)30°
  2100 RPM (Case-O-Matic)30°
Spark PlugsPestolite 18 8 or Equiv.
Thread18 MM
Shank Length1/2"