4G9 ENGINE (E - W) - General Information

11A-0-3

GENERAL INFORMATION

4G92

Descriptions

 

 

4G92-SOHC

4G92-DOHC-MIVEC

 

 

 

 

 

 

Type

 

 

In-line OHV, SOHC

In-line OHV, DOHC

 

 

 

 

 

Number of cylinders

 

4

4

 

 

 

 

 

Combustion chamber

 

Pentroof type

Pentroof type

 

 

 

 

 

Total displacement dm3

 

1,597

1,597

Cylinder bore mm

 

81.0

81.0

 

 

 

 

 

Piston stroke mm

 

77.5

77.5

 

 

 

 

 

Compression ratio

 

10.0

11.0

 

 

 

 

 

 

Valve timing

 

Intake

Opens

20_, 14_*

17_ (Low-speed cam)

 

 

valve

(BTDC)

 

47.5_ (High-speed cam)

 

 

 

 

 

 

 

 

 

Closes

42_, 58_*

31_ (Low-speed cam)

 

 

 

(ABDC)

 

72.5_ (High-speed cam)

 

 

 

 

 

 

 

 

Exhaust

Opens

54_, 52_*

41_ (Low-speed cam)

 

 

valve

(BBDC)

 

70_ (High-speed cam)

 

 

 

 

 

 

 

 

 

Closes

2_, 16_*

11_ (Low-speed cam)

 

 

 

(ATDC)

 

35_ (High-speed cam)

 

 

 

 

 

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

 

 

 

 

 

 

*: LANCER for general export and CARISMA for 6B model

E Mitsubishi Motors Corporation

July 1997

PWEE9502-C

Revised