Dimensions and clearances in mm.
General information
Cylinder numbering (from the front of the engine)
V6 Engine:
- Left side - 1-3-5
- Right side - 2-4-6
V8 Engine:
- Left side - 1-3-5-7
- Right side - 2-4-6-8
The order of operation of the cylinders:
- V6 Engine - 1-6-5-4-3-2
- V8 Engine - 1-8-4-3-6-5-7-2
Camshaft
Bearing journal diameters:
- V6 Engine - 47.45-47.48
- 5.0 liter and 5.7 liter V8 engines:
- 1987-1995 — 47,45-47,48
- Since 1996 - 47.44-47.49
- V8 7.4 liter engine:
- 1987-1994 — 49,48-49,51
- Since 1995 - 49.47-49.52
Intake cam lift:
V6 Engine:
- 1987-1990 — 6,05
- 1991-1995 — 5,94
- 1996 — 7,02
- Since 1997 - 7.31
V8 5.0L Engine:
- 1987-1995 — 5,93
- Since 1996 - 7.01
V8 5.7L Engine:
- 1987-1995 — 6,52
- Since 1996 - 7.24
V8 7.4 liter engine:
- 1987-1994 — 5,95
- 1995 — 6,32
- Since 1996 - 7.17
Balance shaft (4.3 l engines since 1994):
Rear neck diameter - 38.08-38.10
Tightening torques (Nm)
Balance shaft (4.3L V6 engines since 1994):
- Mounting bolt - 12
- Driven gear bolt - 18 and turn 35° further
- Pinion axle stud - 15
Camshaft Sprocket Bolts/Nuts - 24
Cylinder head bolts:
All except the 7.4 liter V8 engine
1987-1995:
- Stage 1 - 30
- Stage 2 - 54
- Stage 3 - 78
Since 1996:
- Stage 1 - 26
- Step 2:
- Short bolts - tighten 55° further
- Medium length bolts - tighten 65° further
- Long bolts - tighten 75° further
V8 7.4 liter engine
- Stage 1 - 36
- Stage 2 - 72
- Stage 3 - 102
Exhaust manifold mounting nuts/bolts:
All except the 7.4 liter V8 engine
1987-1995:
- Center bolts - 31
- External bolts - 24
Since 1996:
- Stage 1 - 13
- Stage 2 - 26
Exhaust manifold mounting nuts/bolts:
V8 7.4 liter engine
- 1987-1995 — 48
- Since 1996:
- Bolts - 48
- Nuts - 26
- Hairpin - 26
Flywheel bolts:
- All except 7.4 liter V8 engine - 100
- V8 7.4 liter engine - 78
Exhaust manifold mounting bolts:
- 1987-1995:
- All except 7.4 liter V8 engine - 42
- V8 7.4 liter engine:
- 1987-1991 — 36
- 1992-1993 — 48
- 1994-1995 — 42
Since 1996:
- Top bolts:
- All except the 7.4 liter V8 engine
- Stage 1 - 4.4
- Stage 2 - 8.8
- Engine V8 7.4 liters - 12
- Bottom bolts:
- All except the 7.4 liter V8 engine
- Stage 1 - 2.7
- Stage 2 - 10.6
- Stage 3 - 1.1
- V8 Engine 7.4 liters - 36
Oil pan deflector nuts - 32
Nuts/bolts for fastening the oil pan to the crankshaft housing:
All except the 7.4 liter V8 engine
- 1987-1995:
- Nuts - 20
- Bolts - 9.7
- Since 1996 - 22
V8 7.4 liter engine
- 1987-1994 — 16
- Since 1995 - 21
Nuts/bolts for fastening the oil pan to the timing cover - 7.0
Oil pump bolt - 78
Bolt for fastening the rear oil seal housing to the cylinder block - 13.5
Cylinder Head Cover Nuts/Bolts:
- All except 7.4 liter V8 engine - 9.0
- V8 7.4 liter engine:
- 1987-1991 — 6,0
- Since 1992 - 7.2
Rocker arm studs:
- V6 engines (since 1995) - 35
- V8 7.4 liter engine (1987-1990) - 60
Rocker Arm Nuts/Bolts:
- V6 engine (since 1995) — 24
- V8 7.4 liter engine:
- 1991-1995 — 48
- Since 1996 - 54
Timing mechanism cover bolts:
V6 Engine:
- 1987-1995 — 12,4
- Since 1996 - 10.6
V8 engines 5.0 and 5.7 l:
- 1987-1995 — 10
- Since 1996 - 10.6
V8 7.4 liter engine:
- 1987-1995 — 9,6
- Since 1996 - 10.6
Front flywheel bolt (vibration damper):
All except 7.4L V8 engine:
- 1987-1995 — 84
- From 1996 - 86
V8 7.4 liter engine:
- 1987-1995 — 102
- Since 1996 - 135