Mitsubishi 4G1 series, Общее руководство пользователя

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4G1 ENGINE (E–W) –
General Information
11A-0-7
PWEE9520
E
Nov. 1995 Mitsubishi Motors Corporation
Descriptions 4G15–
CARBURETTOR 4G15–MPI
12-VALVE 4G15–MPI
16-VALVE 4G15–GDI
Type In-line OHV, SOHC In-line OHV, SOHC In-line OHV, DOHC In-line OHV, DOHC
Number of cylinders 4 4 4 4
Combustion chamber Semi spherical type Semi spherical type Pentroof type Pe Curved
piston head
Total displacement dm
3
1,468 1,468 1,468 1,468
Cylinder bore mm 75.5 75.5 75.5 75.5
Piston stroke mm 82.0 82.0 82.0 82.0
Compression ratio 9.0 9.0 9.5 11.0
Number
of valves Intake 8 8 8 8
of valves
Exhaust 4 4 8 8
Valve
timing Intake opens BTDC 14
_
BTDC 14
_
,
BTDC 13
_
*
1
BTDC 16
_
BTDC 12
_
Intake closes ABDC 48
_
ABDC 48
_
,
ABDC 47
_
*
1
ABDC 40
_
ABDC 44
_
Exhaust
opens BBDC 55
_
BBDC 55
_
,
BBDC 56
_
*
1
BBDC 45
_
BBDC 48
_
Exhaust
closes ATDC 13
_
ATDC 13
_
,
ATDC 8
_
*
1
ATDC 15
_
ATDC 12
_
Lubrication system Pressure feed,
full-flow filtration Pressure feed,
full-flow filtration Pressure feed,
full-flow filtration Pressure feed,
full-flow filtration
Oil pump type Trochoid type Trochoid type Trochoid type Trochoid type
Cooling system Water-cooled,
forced circulation Water-cooled,
forced circulation Water-cooled,
forced circulation Water-cooled,
forced circulation
Water pump type Centrifugal impeller
type Centrifugal impeller
type Centrifugal impeller
type Centrifugal impeller
type
*
1
: Special low-emission engines on vehicles for Australia
PWEE9520-E
E
Feb. 2001 Mitsubishi Motors Corporation Revised