4G9 ENGINE (E - W) -
General Information
11A-0-3
PWEE9502-C
E
July 1997
Mitsubishi Motors Corporation
Revised
GENERAL INFORMATION
4G92
Descriptions
4G92-SOHC
4G92-DOHC-MIVEC
Type
In-line OHV, SOHC
In-line OHV, DOHC
Number of cylinders
4
4
Combustion chamber
Pentroof type
Pentroof type
Total displacement dm
3
1,597
1,597
Cylinder bore mm
81.0
81.0
Piston stroke mm
77.5
77.5
Compression ratio
10.0
11.0
Valve timing
Intake
valve
Opens
(BTDC)
20
_
, 14
_
*
17
_
(Low-speed cam)
47.5
_
(High-speed cam)
Closes
(ABDC)
42
_
, 58
_
*
31
_
(Low-speed cam)
72.5
_
(High-speed cam)
Exhaust
valve
Opens
(BBDC)
54
_
, 52
_
*
41
_
(Low-speed cam)
70
_
(High-speed cam)
Closes
(ATDC)
2
_
, 16
_
*
11
_
(Low-speed cam)
35
_
(High-speed cam)
Lubrication system
Pressure feed, full-flow filtration
Pressure feed, full-flow filtration
Oil pump type
Trochoid type
Trochoid type
Cooling system
Water-cooled forced circulation
Water-cooled forced circulation
Water pump type
Centrifugal impeller type
Centrifugal impeller type
*:
LANCER for general export and CARISMA for 6B model