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

300

400

500

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)