4-134 L Engine Tune Up Specifications - M38

Tune Up Illustration

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Battery Specs:
Voltage 6 or 12 Volts
Terminal Ground Negative
Specific Gravity:
Fully Charged 1.260
Recharge at 1.225
Load Test, minimum:
6-volt Battery 5 volts
12-volt Battery 10 volts
Spark Plugs Specs:
Make Champion J-8
Gap .030"
Torque 25 to 33 lb.-ft.
Distributor Specs:
Rotation viewed from top Counterclockwise
Cam Angle 42°
Point Gap .020"
Arm Spring Tension 17 to 20 oz.
Wiring order and direction Firing-Counterclockwise
Ignition Timing 5° BTC
Marks 5, IGN, or TC
Location:
L4-134 Flywheel or Timing Cover
F4-134 Flywheel or Timing Cover
Compression Pressure Cranking:
L4-134 90 to 110 psi.
F4-134 120 to 130 psi.
Valve Specs:
Tappet Clearance Cold: 
Intake: .016"
Exhaust: .016"
Timing (Intake Opens) 9° BTC
Engine Idle Speed 600 rpm.
Firing Order 1-3-4-2

* Learn more about the 4-134 L engine from the Master Parts List Manual for 50-52 M38