Mitsubishi Motors 4G1 - Manual (Page 7)

4G1 ENGINE (E - W) - General Information
11A-0-7
PWEE9520
E
Nov. 1995 Mitsubishi Motors Corporation
Descriptions 4G15-CARBURETTOR 4G15-MPI
Type In-line OHV, SOHC In-line OHV, DOHC
Number of cylinders 4 4
Combustion chamber Semi spherical type Pentroof type
Total displacement dm 3 1,468 1,468
Cylinder bore mm 75.5 75.5
Piston stroke mm 82.0 82.0
Compression ratio 9.0 9.5
Number of Intake 8 8
valve
Exhaust 4 8
Valve timing Intake opens BTDC 14_ BTDC 16_
Intake closes ABDC 48_ ABDC 40_
Exhaust opens BBDC 55_ BBDC 45_
Exhaust closes ATDC 13_ ATDC 15 _
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. 1998 Mitsubishi Motors Corporation Added