LAF Specifications

[ZerOne]

2010 Ecotec 2.4L I-4 VVT DI ( LAF ) 09/18/09
Type: Ecotec 2.4L I-4 VVT DI

Displacement: 2384 cc (145 ci)
Engine Orientation: L ( longitudinal ) T ( transverse ) T
Compression ratio: 11.2:1
Valve configuration: Dual overhead camshafts
valves per cylinder: 4

Assembly site: Spring Hill, Tenn.

Valve lifters: Hydraulic roller finger follower
Firing order: 1 - 3 - 4 - 2

Bore x stroke: 88.00 x 98.00 mm
Bore Center ( mm ) 96.00 mm

Fuel system: Direct injection
Fuel Type: Regular unleaded

Applications: GMNA Horsepower: hp ( kW )
Buick LaCrosse 182 hp (136 kW) @ 6700 rpm SAE CERTIFIED
Chevrolet Equinox 182 hp (136 kW) @ 6700 rpm SAE CERTIFIED
GMC Terrain 182 hp (136 kW) @ 6700 rpm SAE CERTIFIED
Applications: GMNA Torque: lb-ft. ( Nm )
Buick LaCrosse 172 lb-ft. ( 233 Nm ) @ 4900 rpm SAE CERTIFIED
Chevrolet Equinox 172 lb-ft. ( 233 Nm ) @ 4900 rpm SAE CERTIFIED
GMC Terrain 172 lb-ft. ( 233 Nm ) @ 4900 rpm SAE CERTIFIED
Maximum Engine Speed: 7000 rpm ( forward gears )

Emissions controls:
Evaporative system
Catalytic converter
Positive crankcase ventilation

MATERIALS
Block: Cast aluminum
Cylinder head: Cast aluminum
Intake manifold: Composite
Exhaust manifold: High silicon molybdenum, cast nodular iron
Main bearing caps: Aluminum bedplate
Crankshaft: Cast nodular iron
Camshaft: Cast nodular iron
Connecting rods: Forged steel

Additional features:
Extended life spark plugs
Extended life coolant
Electronic throttle control
Variable valve timing