Mitsubishi Motors 4G1 - Manual (Page 9)

4G1 ENGINE (E - W) - Specifications
11A-1-1
PWEE9520
E
Nov. 1995 Mitsubishi Motors Corporation
1. SPECIFICATIONS
SERVICE SPECIFICATIONS
Item Standard Limit
Rocker arms, rocker shafts, and camshaft
Camshaft cam SOHC 12-VALVE Intake (primary) 38.78 38.28
height mm
Intake (secondary) 38.78 38.28
Exhaust 39.10 38.60
SOHC 16-VALVE Intake 36.99 36.49
Exhaust 36.85 36.35
DOHC Intake 34.67 38.28
Exhaust 34.26 38.60
Camshaft journal diameter mm SOHC 45.93- 45.94 -
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 -
Valve stem-to-guide SOHC 12-VALVE Intake 0.020- 0.050 0.10
clearance mm
Exhaust 0.050- 0.085 0.15
SOHC 16-VALVE Intake 0.020 - 0.047 0.10
Exhaust 0.030 - 0.062 0.15
DOHC Intake 0.020- 0.047 0.10
Exhaust 0.030- 0.062 0.15
Valve face angle 45_- 45.5_ -
Valve stem projec- SOHC 12-VALVE Intake 43.70 44.20
tion mm
Exhaust 43.30 43.80
SOHC 16-VALVE Intake 53.21 53.71
Exhaust 54.10 54.60
DOHC Intake 48.80 49.30
Exhaust 48.70 49.20
PWEE9520-A
E
Dec. 1998 Mitsubishi Motors Corporation Revised