4.3l v-6 vvt di ( lv1 ) - gm powertrain torinolv3)_truck_020414.pdf · powered by gm next...
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Next Generation Technology
State-of-the-Art technologies:
Direct Injection technology: •Movesthepointwherefuelfeedsintoan engineclosertothepointwhereitignites, enablinggreatercombustionefficiency. •Fostersamorecompleteburnofthefuelinthe air-fuelmixture. •Operatesatalowertemperaturethanconventional portinjection. •Allowsthemixturetobeleaner,solessfuelis requiredtoproducetheequivalenthorsepowerof aconventional,portinjectionfuelsystem VariableValveTiming(VVT): •Thedual-equalcamphasingsystemadjusts camshafttimingatthesamerateforbothintake andexhaustvalves •Allowslineardeliveryoftorque,withnear-peak levelsoverabroadrpmrange,andhighspecific outputwithoutsacrificingoverallengineresponse. Forexample,atidle,thecamisatthefulladvancedposition,allowingexceptionallysmoothidling.Underotherconditions,thephaseradjuststodeliveroptimalvalvetimingforperformance,driveabilityandfueleconomy.Athighrpmitmayretardtimingtomaximizeairflowthroughtheengineandincreasehorsepower.Atlowrpmitcanadvancetimingtoincreasetorque.Underlightloads,itcanretardtimingatallenginespeedstoimprovefueleconomy.
GM engineers spent over 10 million hours creating the
Next Gen technology. Every millimeter of the combustion
system was carefully designed to support the most ideal
combination of direct injection and variable valve timing,
making the most of power, torque and efficiency.
Additional Features:
Allnewweightsavingaluminumcylinderblockcasting
Allnewcylinderheaddesignwithnewportshape andvalveplacement
Increasedcompressionratios
Advancedoilingsystem-variabledisplacementpump
High-strengthaluminumalloypistons
Oil-jetpistoncooling
Stronger,largerdiameterpushrods
Highflowintakemanifoldandelectronicthrottle
Iridiumtipped,extendedlife,sparkplugs
58xcranktiming
4.3LV-6VVTDI(LV1)
Powered by GM
0
100
200
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600
0 10 20 30 40 50 60 70
Chevrolet SilveradoGMC Sierra
4.3L V6 (LV1)
285 hp (213 kW) @ 5300 rpm
305 lb-ft (413 Nm) @ 3900 rpm
0
100
200
300
ENGINE SPEED (rpm x 100)
TOR
QU
E (
lb-ft
)
HO
RS
EP
OW
ER
(hp
)
Informationmayvarywithapplication.Allspecificationslistedarebasedonthelatestproductinformationavailableatthetimeofpublication.Therightisreservedtomakechangesatanytimewithoutnotice.
©2014GeneralMotors www.gmpowertrain.com
4.3LV-6VVTDI(LV1)
Specifications
Displacement: 4301cc(262ci)Engine Orientation: LongitudinalCompression ratio: 11.0:1Valve configuration: OverheadvalvesValves per cylinder: 2 Assembly Site: TonawandaandRamos,MexicoValve lifters: HydraulicrollerFiring order: 1-6-5-4-3-2Bore x stroke: 99.6x92mmFuel system: DI Fuel type: RegularunleadedandE85Max. Engine Speed: 5800rpmEmissions controls: EvaporativeEmissions Bin4emissions Returnlessfuelsystem
Applications: Horsepower:hp(kw)ChevroletSilverado 285hp(213kw)@5300RpmGMCSierra Applications: Torque:lb-ft(Nm)ChevroletSilverado 305lb-ft(413Nm)@3900RpmGMCSierra ActualpowerlevelsmayvarydependingonOEMcalibrationandapplication
MATERIALS Block: CastAluminumCylinder head: CastAluminumIntake manifold: CompositeExhaust manifold: CastNodularIronMain bearing caps: PowderMetalCrankshaft: ForgedSteelCamshaft: Billet Steel Connecting rods: PowderMetal
674(26.5)
794(31.3)
640(25.2)
794(31.3)