compression ratio MITSUBISHI LANCER 2010 8.G Owners Manual

9-8 Specifications
9Engine specifications
N01147700367
NOTE
At high altitude locations, the idle speed may be higher than the idle speed described in the vehicle emission control informa-
tion label. This is done in order to stabilize the idle speed when the power steering system and other systems operate. It does
not indicate a malfunction.
Item
2.0 liter
2.4 liter
Vehicles without turbo-
charger
Vehicles with turbocharger
Engine model 4B11 4B12Engine displacement 121.9 CID (1,998 cm³) 144.0 CID (2,360 cm³)No. of cylinders and cylinder arrange-
ment4 in-lineBore 3.39 in (86.0 mm) 3.46 in (88.0 mm)Stroke 3.39 in (86.0 mm) 3.82 in (97.0 mm)Compression ratio 10.0 9.0 10.5Thermostat valve opening temperature 180 °F (82 °C)170 °F (76.5 °C),
180 °F (82 °C)180 °F (82 °C)Spark plugs
NGK FR6EI ILKR7E6 FR5EIDENSO K20PSR-B8 - K16PSR-B8
Spark plug gap.028 to .031 in
(0.7 to 0.8 mm).020 to .023 in
(0.5 to 0.6 mm).028 to .031 in
(0.7 to 0.8 mm)Firing order 1-3-4-2Ignition timing, idle speed, mixture Refer to the “Vehicle emission control information label” inside panel of the engine hood.BK0102103US.book 8 ページ ２００９年１０月２６日　月曜日　午後１時３８分