11a-0-6, 4g1 engine (e - w) – Mitsubishi Motors 4G1 User Manual
Page 6

4G1 ENGINE (E - W) -
General Information
11A-0-6
PWEE9520
E
Nov. 1995
Mitsubishi 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. 1998
Mitsubishi Motors Corporation
Revised