Mitsubishi 4g1 ユーザーズマニュアル

E

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

E