Mitsubishi 4G1 series

4G1 ENGINE (E–W) – Specifications
11A-1-1
PWEE9520
E
Nov. 1995Mitsubishi Motors Corporation
1. SPECIFICATIONS
SERVICE SPECIFICATIONS
Item Standard Limit
Rocker arms and camshaft
Camshaft cam
height mm
SOHC 12-VALVE Intake (primary) 38.78 38.28
height mm
Intake (secondary) 38.78 38.28
Exhaust*
1
39.01 38.51
Exhaust*
2
38.97 38.47
SOHC 16-VALVE*
3
Intake 36.99 36.49
Exhaust 36.85 36.35
SOHC 16-VALVE*
4
Intake 36.86 36.36
Exhaust 36.68 36.18
SOHC 16-VALVE*
5
Intake 37.30 36.80
Exhaust 37.16 36.66
SOHC 16-VALVE*
6
Intake 37.17 36.67
Exhaust 36.99 36.49
DOHC Intake 34.67 34.17
Exhaust 34.26 33.76
DOHC GDI Intake 34.85 34.35
Exhaust 34.59 34.09
Camshaft journal diameter mm SOHC 45.93–45.94 –
SOHC 16-VALVE*
7
44.93–44.94 –
DOHC 25.95–25.97 –
Cylinder head and valves
Flatness of cylinder head gasket surface mm 0.05 or less –
Cylinder head gasket surface grinding limit (including grinding of
cylinder block gasket surface) mm
– 0.2
Cylinder head overall height mm SOHC 12-VALVE 106.9–107.1 –
SOHC 16-VALVE 119.9–120.1 –
DOHC 131.9–132.1 –
Cylinder head bolt nominal length mm – 103.2
Valve margin mm Intake 1.0 0.5
Exhaust 1.5 1.0
Valve stem diameter mm SOHC 12-VALVE 6.6 –
SOHC 16-VALVE 5.5 –
DOHC 5.5 –
*
1
: With low pollution system
*
2
: Without low pollution system
*
3
: Except 2001 model front wheel drive vehicles
*
4
: 2001 model front wheel drive vehicles for Europe
*
5
: 2001 model front wheel drive vehicles for General Export
*
6
: 2002 model front wheel drive vehicles for Europe
*
7
: SOHC 16-VALVE MPI for Europe
PWEE9520-E
E
Feb. 2001Mitsubishi Motors Corporation Revised