2010 Northstar 4.6L V-8 ( L37 ) 5/06/2009
Type: 4.6L V-8
Displacement: 4565cc (279ci)
Engine Orientation: L=Longitudinal T=Transverse T
Compression ratio: 10.0:1
Valve configuration: Dual overhead camshafts
Valves per cylinder: 4
Assembly site: Livonia, Mich.
Valve lifters: Roller follower with hydraulic lash adjusters
Firing order: 1 - 2 - 7 - 3 - 4 - 5 - 6 - 8
Bore x stroke: 93 x 84mm
Bore center: ( mm ) 102
Bore Area: ( cm2 ) ( total engine bore area ) 543.43
Fuel system: Sequential fuel injection
Fuel type: Premium fuel recommended, not required
Applications: Horsepower: hp ( kW )
Cadillac DTS 292 hp ( 218 kW ) @ 6300 rpm SAE CERTIFIED
Buick Lucerne "Super"
Applications: Torque: lb-ft. ( Nm )
Cadillac DTS 288 lb-ft. ( 390 Nm ) @ 4500 rpm SAE CERTIFIED
Buick Lucerne "Super"
Maximum Engine Speed: 6700 rpm
Engine Mass: ( kg/lbs ) engine plant as shipped ( 195.64 / 431.33 )
Emissions controls:
Evaporative system
Exhaust gas recirculation
Positive crankcase ventilation
Air injection reaction
MATERIALS
Block: Cast aluminum with iron bore liners
Cylinder head: Cast aluminum
Intake manifold: Composite
Exhaust manifold: Dual wall laminated stainless steel (L37/LD8)
Main bearing caps: Cast aluminum
Crankshaft: Forged steel
Camshaft: Cast nodular iron
Connecting rods: Powder metal
Additional features:
Extended life spark plugs
Extended life coolant
Electronic throttle control
Oil Life System
