Stock Valve adjustment on 5.9 Cummins
Turn engine to TDC # 1 Cylinder
Both valves will be loose on #1 cylinder and both valves will be tight on #6 cylinder.
Starting at the front of the engine the valve order is Intake then Exhaust.
Adjust:
Cylinder
Valve(s)
1
Intake Exhaust
2
Intake
3
Exhaust
4
Intake
5
Exhaust
6
None
Turn engine to TDC # 6 Cylinder.
Both valves will be loose on #6 cylinder and both valves will be tight on #1 cylinder.
Adjust:
Cylinder
Valve(s)
1
None
2
Exhaust
3
Intake
4
Exhaust
5
Intake
6
Intake Exhaust