SPECIFICATIONS:

2007 Ecotec 2.4L
Type: Ecotec 2.4L I-4
Displacement: 2393cc (146 ci)
Engine Orientation: L ( longitudinal )
Compression ratio: 10.4:1
Valve configuration: dual overhead camshafts
Valves per cylinder: 4
Valve lifters: hydraulic roller finger followers
Firing order: 1 - 3 - 4 - 2
Bore x stroke: 88.00 x 98.00mm
Fuel system: sequential electronic fuel injection
Fuel Type: Premium recommended not required
Horsepower: 177 hp (132kW) @ 6600 rpm (SAE CERTIFIED)
Torque: lb-ft. (166 lb-ft (225 N ) @ 4800 rpm (SAE CERTIFIED)
Fuel shut off: 6800 rpm
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
Electronic throttle control
Variable valve timing