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4G1 ENGINE (E-W) -
General Information
11A-0-6
PWEE9520
E
Nov. 1995Mitsubishi Motors Corporation
Descriptions 4G13 16-VALVE-MPI 4G18 16-VALVE-MPI
Type In-line OHV, SOHC In-line OHV, SOHC
Number of cylinders 4 4
Combustion chamber Pentroof type Pentroof type
Total displacement dm
3
1,299 1,584
Cylinder bore mm 71.0 76.0
Piston stroke mm 82.0 87.3
Compression ratio 10 9.5
Number of Intake 8 8
valves
Exhaust 8 8
Valve timing Intake opens BTDC 17
_
BTDC 17
_
Intake closes ABDC 39
_
ABDC 39
_
Exhaust opens BBDC 49
_
BBDC 49
_
Exhaust closes ATDC 7
_
ATDC 7
_
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
PWEE9520-A
E
Dec. 1998Mitsubishi Motors Corporation Revised