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4G1 ENGINE (E-W) -
General Information
11A-0-5
PWEE9520
E
Nov. 1995Mitsubishi Motors Corporation
Descriptions 4G13 12-VALVE-CARBURETOR 4G13 12-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 1,299
Cylinder bore mm 71.0 71.0
Piston stroke mm 82.0 82.0
Compression ratio 9.5 9.5
Number of Intake 8 8
valves
Exhaust 4 4
Valve timing Intake opens BTDC 14
_
BTDC 19
_
Intake closes ABDC 48
_
ABDC 43
_
Exhaust opens BBDC 55
_
BBDC 60
_
Exhaust closes ATDC 13
_
ATDC 8
_
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