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2010 LF1 - GM Powertrain

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									2011 GM 3.0L V6 VVT DI ( LFW/LF1 )                                                    12-May-10
Type:                                                 3.0L V6
Displacement:                                         2997 cc ( 183 ci )
Engine Orientation: L= Longitudinal T=Transverse      L&T
Compression ratio:                                    11.7:1
Valve configuration:                                  Dual overhead camshafts
Valves per cylinder:                                  4
Assembly site/s:                                      Ramos Arizpe, Mexico
Valve lifters:                                        Roller follower with hydraulic lash adjusters
Firing order:                                         1-2-3-4-5-6
Bore x stroke:                                        89.0 x 80.3 mm
Bore Center ( mm )                                    103
Bore Area ( cm2 ) ( total engine bore area )          373.27
Fuel system:                                          DI
Fuel Type:                                            Regular Unleaded, E85
Applications:                                           Horsepower: hp ( kw )
LF1
Cadillac CTS                                          270 hp ( 201 kW ) @ 7000 rpm          SAE CERTIFIED
Cadillac CTS Wagon                                    270 hp ( 201 kW ) @ 7000 rpm          SAE CERTIFIED
Cadillac SRX                                          265 hp ( 198 kW ) @ 6950 rpm          SAE CERTIFIED
LFW
Chevrolet Equinox                                     264 hp ( 197 kW ) @ 6950 rpm          SAE CERTIFIED
GMC Terrain                                           264 hp ( 197 kW ) @ 6950 rpm          SAE CERTIFIED
Applications:                                          Torque: lb-ft. ( Nm )
LF1
Cadillac CTS                                          223 lb-ft ( 302 Nm ) @ 5700 rpm       SAE CERTIFIED
Cadillac CTS Wagon                                    223 lb-ft ( 302 Nm ) @ 5700 rpm       SAE CERTIFIED
Cadillac SRX                                          223 lb-ft ( 302 Nm ) @ 5100 rpm       SAE CERTIFIED
Buick LaCrosse AWD                                    215 lb-ft ( 292 Nm ) @ 5100 rpm       SAE CERTIFIED
Buick LaCrosse FWD                                    217 lb-ft ( 294 Nm ) @ 5100 rpm       SAE CERTIFIED
LFW
Chevrolet Equinox                                     222 lb-ft ( 301 Nm ) @ 5100 rpm       SAE CERTIFIED
GMC Terrain                                           222 lb-ft ( 301 Nm ) @ 5100 rpm       SAE CERTIFIED
Maximum Engine Speed:                                 7200 rpm
Engine Mass (kg/lbs) engine plant as shipped weight   154 / 339 ( estimate )
                                                      172 / 380 ( estimate ) automatic CTS
                                                      194 / 428 ( estimate ) manual       CTS
Emissions controls:                                   Evaporative system
                                                      Internal exhaust gas recirculation ( EGR )
                                                      Dual close coupled catalytic converters plus underfloor converter
                                                      Positive crankcase ventilation
MATERIALS
Block:                                                Sand cast aluminum (319) with cast in iron bore liners
Cylinder head:                                        Cast aluminum ( 319 semi permanent mold )
Intake manifold:                                      Aluminum ( 319 Lower ), Composite ( Upper )
Main bearing caps:                                    Sintered steel ( CU infiltrated )
Crankshaft:                                           Forged steel ( 1038 V )
Camshaft:                                             1538 MV
Connecting rods:                                      Sinter forged steel
Additional features:                                  Four-cam continuously variable cam phasing
                                                      Pressure-actuated piston cooling jets
                                                      Torque-based engine management system
                                                      Secondary throat cut inlet ports
                                                      Direct injection fuel system
                                                      E85 capability in the Equinox, Terrain
                                                      High-pressure, engine-driven fuel pump with stainless steel fuel rails
                                                      Electronic Throttle Control w/ integrated Cruise Control
                                                      Structural front cover with damper plates removed
                                                      Iridium center electrode / platinum side wire tip spark plugs
                                                      Extended life coolant
                                                      Extended life EPDM accessory drive belt
                                                      7.7mm IT chain system for all HFV6 applications
                                                      Coil-on-plug ignition
                                                      Structural cast-aluminum oil pan with steel baffles
                                                      GM Oil Life System
                                                      5W30 Dexos 1

								
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