Generation IV .282005.E2.80.93present.29 LS based GM small-block engine

1 generation iv (2005–present)

1.1 4.00 in bore blocks (2005–present)

1.1.1 6.0 l


1.2 3.78 in bore blocks (2005–present)

1.2.1 4.8 l

1.2.1.1 ly2
1.2.1.2 l20


1.2.2 5.3 l

1.2.2.1 lmf
1.2.2.2 lh6
1.2.2.3 ly5
1.2.2.4 lmg
1.2.2.5 lc9
1.2.2.6 lh8
1.2.2.7 lh9
1.2.2.8 ls4




1.3 4.125 in bore blocks (2006–present)

1.3.1 7.0 l


1.4 4.06 in bore blocks (2007–present)

1.4.1 6.2 l

generation iv (2005–present)

in 2005, generation iii superseded generation iv. category of engines has provisions high-displacement ranges 7,011 cc (7.011 l; 427.8 cu in) , power output 638 bhp (476 kw). based on generation iii design, generation iv designed displacement on demand in mind, technology allows every other cylinder in firing order deactivated. can accommodate variable valve timing.

a 3-valve per cylinder design slated ls7, have been first gm pushrod engine; idea shelved owing design complexities , when same two-valve configuration other generation iii , iv engines proved sufficient meet goals ls7.

4.00 in bore blocks (2005–present)

this family of blocks first of generation iv small block ls2 being progenitor of family , generation. family of blocks has seen wide range of applications performance vehicles truck usage.

6.0 l

the generation iv 6000 v8 engine displaces 5,967 cc (364.1 cu in) 101.6 mm (4.000 in) bore , 92 mm (3.622 in) stroke. features either cast iron or aluminum engine block cast aluminum heads. versions feature variable cam phasing, active fuel management, , flex-fuel capability.

ls2

ls2 can refer 1973–1974 super duty 455 cid pontiac v8 engine
ls2 can refer 1985 oldsmobile diesel v6 engine.


gm ls2 engine in 2005 chevrolet corvette

the ls2 introduced corvette s new base engine 2005 model year. appeared standard powerplant 2005–2006 gto. produces 400 bhp (300 kw) @ 6000 rpm , 400 lb·ft (542 n·m) @ 4400 rpm larger displacement of 5,967 cc (5.967 l; 364.1 cu in). similar high-performance ls6, improved torque throughout rpm range. ls2 uses 243 casting heads used on ls6 (although without sodium filled valves), smaller camshaft, , additional 18 cubic inches. compression of ls2 raised 10.9:1 compared ls1s 10.25:1 , ls6s 10.5:1. ls2 in e-series hsvs modified in australia produce 412 bhp (307 kw) , 412 lbft . ls2 in chevrolet trailblazer ss , saab 9-7x aero rated @ 395 bhp (295 kw) (2006–2007) or 390 bhp (290 kw) (2008–2009) , 400 lb·ft (542 n·m) of torque due different (sometimes referred truck ) intake manifold produces more torque @ lower rpms.

the ls2 used basis of nascar specification engine used optional engine in nascar s camping world series east , west divisions starting in 2006, , starting in 2010 may used on tracks shorter 2 kilometers (1.25 miles) in camping world truck series.

a version of nascar v8 cylinder block cast in compacted graphite iron grainger & worrall won uk s casting of year award 2010.

applications:

2005-2007 chevrolet corvette
2005-2006 chevrolet ssr
2006–2009 chevrolet trailblazer ss
2006–2007 cadillac cts v-series
2005-2006 holden monaro family:

2005–2006 pontiac gto
2005–2006 vauxhall monaro vxr
2005–2006 hsv coupé gto


2005–2006 hsv sv6000
2005–2008 hsv clubsport r8, maloo r8, senator signature , gts
2005–2008 hsv grange
2008–2009 saab 9-7x aero

l76

the l76 derived ls2. , ls2 features aluminum engine block. however, l76 feature active fuel management (afm). while displacement on demand technology disabled on holdens, feature enabled on 2008 pontiac g8 gt , subsequently refitted in 2009 model holdens afm enabled, on models fitted 6l80 automatic transmission. engine meets euro iii emissions requirements. output 348 bhp (260 kw) @ 5600 rpm , 376 lb·ft (510 n·m) @ 4400 rpm holden variant, , 361 bhp (269 kw) , 385 lb·ft (522 n·m) g8 gt. vortec 6000 or new vortecmax version based on holden l76 engine, , features variable cam phasing, along active fuel management. can considered replacement generation iii lq9 engine. produces 367 hp (274 kw) @ 5400 rpm , 375 lb·ft (508 n·m) @ 4400 rpm. production of vortec 6000 started in late 2006, , available new body style silverado , sierra. final year option of vortecmax engine 2009 in silverado , sierra.

applications:

2006 holden vz commodore - built february 2006 until july 2006 until release of ve series.
2006 holden wl statesman/caprice - built february 2006 until september 2006 until release of wm series.
2008–2009 pontiac g8 gt
2008–2010 holden ve commodore (automatic only)
2008–2010 holden ve ute (automatic only)
2008–2010 holden wm statesman/caprice
2007–2009 chevrolet suburban
2007–2009 chevrolet avalanche
2007–2009 chevrolet silverado
2007–2009 gmc sierra
2007–2009 gmc yukon xl

l98

for tuned-port generation engine of same rpo, see chevrolet l98

the l98 modified version of l76. since holden did not use displacement on demand technology of l76, redundant hardware removed form l98. power increased 362 bhp (270 kw) @ 5700 rpm , 391 lb·ft (530 n·m) @ 4400 rpm.

applications:

2006-2007 holden vz ute
2006–2010 holden ve commodore (manual 2008–2010)
2006–2010 holden ve ute (manual 2008–2010)
2006–2008 holden wm statesman/caprice

l77

l77 can refer 455 oldsmobile big block.

l77 engines released in holden commodore series ii ve range in both manual , automatic transmissions, along chevrolet caprice police car. l77 differs l76 inclusion of flex-fuel capability, allowing run on e85 ethanol. l77 rated @ 362 hp (270 kw) , 391lbft (530nm) of torque in manual commodore ss , ss-v, in automatic commodores rated @ 348 hp (260 kw) , 382lbft (517nm) of torque.

applications:

2010–2013 holden ve ii commodore
2013-2015 holden vf commodore
2010–2013 holden ve ii ute
2013-2015 holden vf ute
2010–2013 holden wm caprice
2013-2015 holden wn caprice
2011-2017 chevrolet caprice ppv

ly6

the ly6 generation iv small block v8 truck engine cast iron block. shares same bore , stroke lq4 predecessor. other gen iv engines, features variable valve timing. generated 361 horsepower @ 5,600 rpm , 385 lb-ft of torque @ 4,400 rpm using regular gas, or ~87 octane. redline 6,000 rpm , compression ratio 9.6:1. engine uses l92 / ls3 style rectangle port cylinder heads, though without sodium filled exhaust valves of ls3.

applications:

2007–2009 chevrolet silverado hd
2007–2009 gmc sierra hd
2007–2013 chevrolet suburban 3/4 ton
2007–2013 gmc yukon xl 3/4 ton

l96

the l96 identical predecessor, ly6. primary difference former flex fuel capable, while latter not.

applications:

2010–present chevrolet silverado hd
2010–present gmc sierra hd
2010–2013 chevrolet suburban 3/4 ton
2010–2013 gmc yukon xl 3/4 ton
2016–present chevrolet suburban 3500
2010–present chevrolet express/gmc savana

lfa

the lfa generation iv small block v8 truck engine. lfa variant used in gm s 2 mode hybrid gmt900 trucks , suvs, , all-aluminum design. has 10.8:1 compression ratio , produces 332 hp (248 kw) @ 5100 rpm , 367 lb·ft (498 n·m) @ 4100 rpm. engine vin code of 5.

in 2008 engine selected wards 1 of 10 best engines in regular production vehicle.

applications:

2008–2009 chevrolet tahoe hybrid
2008–2009 gmc yukon hybrid
2008-2009 cadillac escalade hybrid
2008-2009 chevrolet silverado hybrid
2008-2009 gmc sierra hybrid

lz1

the lz1 entirely based on predecessor, lfa, revisions, such including up-integrated electronic throttle control, long-life spark plugs, gm’s oil life system, active fuel management , variable valve timing. has same compression ratio, power , torque ratings predecessor, lfa.

applications:

2010–2013 chevrolet tahoe hybrid
2010–2013 gmc yukon hybrid
2010–2013 cadillac escalade hybrid
2010–2013 chevrolet silverado hybrid
2010–2013 gmc sierra hybrid

3.78 in bore blocks (2005–present)

this family of blocks updated version of generation iii predecessor generation iv updates , capabilities. applications of family trucks did see mild usage (with modifications) in front-wheel-drive cars.

4.8 l
ly2

the vortec 4800 ly2 (vin code c ) generation iv small block v8 truck engine. lr4 predecessor, gets displacement 96.01 mm (3.780 in) bore , 83 mm (3.3 in) stroke. smallest member of generation iv engine family, unique in member of family used in trucks not feature variable valve timing.it has cast iron block. power output 260–295 hp (194–220 kw) , torque 295–305 lb·ft (400–414 n·m).

ly2 applications:

2008–2009 chevrolet express/gmc savana
2007–2009 chevrolet silverado
2007–2009 chevrolet tahoe
2007–2009 gmc sierra
2007–2009 gmc yukon

l20

the vortec 4800 l20 makes more power , features variable valve timing. system adjusts both intake , exhaust timing, not come active fuel management. l20 has cast iron block , power output 260–302 hp (194–225 kw) while torque 295–305 lb·ft (400–414 n·m). vortec 4800 base engines dropped chevrolet tahoe , gmc yukon in favor of 5300 active fuel management.

l20 applications:

2010–2017 chevrolet express/gmc savana
2010–2013 chevrolet silverado
2010–2013 gmc sierra

5.3 l

the generation iv 5.3l engines share improvements , refinements found in other generation iv engines. 8 versions of gen iv 5.3l engine produced: 3 iron blocks (ly5, lmg, , lmf) , 5 aluminum blocks (lh6, lh8, lh9, lc9, , ls4). versions featured active fuel management except lh8, lh9 , lmf.

lmf

introduced in 2010, lmf lower tech version used in lower volume half ton vehicles cargo vans awd still used 4 speed automatic, , not use active fuel management. 2014 last year gm full size 1/2 ton cargo vans. 3/4 , 1 ton still in production.

lmf applications:

2010-2014 chevrolet express 1/2 ton awd
2010-2014 gmc savana 1/2 ton awd

lh6

the vortec 5300 lh6 (vin code m ) active fuel management replaced lm4 2005, , first of generation iv small block v8 truck engines go production. lh6 produced 300 hp (220 kw) 315 hp (235 kw) , 330 lb·ft (447 n·m) 338 lb·ft (458 n·m). aluminum block counterpart ly5.

lh6 applications:

2005–2009 chevrolet trailblazer including ext (through 2006)
2005–2009 gmc envoy denali
2005–2006 gmc envoy xl
2005 gmc envoy xuv
2005–2007 buick rainier
2005–2009 saab 9-7x
2005–2007 isuzu ascender
2007 chevrolet silverado 1500
2007-2009 gmc sierra 1500

ly5

introduced in 2007, vortec 5300 ly5 (vin code j ) replacement lm7 generation iii engine. suv applications, rated @ 320 hp (239 kw) , 340 lb·ft (461 n·m) of torque; pickup truck applications, rated @ 315–320 hp (235–239 kw) @ 5200 rpm , 335–340 lb·ft (454–461 n·m) @ 4000 rpm

ly5 applications:

2007-2014 chevrolet avalanche
2007–2013 chevrolet silverado 1500
2007–2014 chevrolet suburban 1/2 ton
2007–2014 chevrolet tahoe
2007–2013t gmc sierra 1500
2007–2014 gmc yukon
2007–2014 gmc yukon xl 1/2 ton

lmg

the vortec 5300 lmg (vin code 0 ) flexible-fuel version of ly5. power , torque ratings suv , pickup truck applications same each application s ly5 rating. variable valve timing added 2010 model year.

lmg applications:

2007–2013 chevrolet avalanche
2007–2013 chevrolet silverado 1500
2007–2014 chevrolet suburban 1/2 ton
2007–2014 chevrolet tahoe
2007–2013 gmc sierra 1500
2007–2014 gmc yukon
2007–2014 gmc yukon xl 1/2 ton

lc9

the vortec 5300 lc9 (vin code 3 ) aluminum block flex-fuel version of lh6, , found in 4wd models. suv applications rated @ 320 hp (239 kw) @ 5400 rpm , 335 lb·ft (454 n·m) @ 4000 rpm of torque. pickup truck applications rated @ 315 hp (235 kw) @ 5300 rpm , 335 lb·ft (454 n·m) @ 4000 rpm of torque. variable valve timing added 2010 model year.

lc9 applications:

2007–2013 chevrolet avalanche
2007–2013 chevrolet silverado 1500
2007–2014 chevrolet suburban 1/2 ton
2007–2013 gmc sierra 1500
2007–2014 gmc yukon xl 1/2 ton

lh8

the vortec 5300 lh8 variant of 5.3 l gen iv small block v8 modified fit in engine bay of gmt 345 suv , gmt 355 trucks. produces 300 hp (220 kw) @ 5200 rpm , 320 lb·ft (434 n·m) @ 4000 rpm. has displacement of 5,328 cc (325.1 cu in).

lh8 applications:

2008–2010 hummer h3 alpha
2009 chevrolet colorado/gmc

lh9

the vortec 5300 lh9 variant of 5.3 l gen iv small block v8 modified fit in engine bay of gmt 355 trucks. has variable valve timing (vvt) , produces 300 hp (220 kw) @ 5200 rpm , 320 lb·ft (434 n·m) @ 4000 rpm. has displacement of 5,328 cc (325.1 cu in).

lh9 applications:

2010–2012 chevrolet colorado/gmc

ls4

5.3 l ls4 v8 in 2006 chevrolet impala ss



ls4 can refer 454 cid chevrolet big-block engine of 1970s

the ls4 5,328 cc (5.328 l; 325.1 cu in) version of generation iv block. though has same displacement vortec 5300 ly5, features aluminum block instead of iron, , uses same cylinder head generation iii ls6 engine. bellhousing bolt pattern differs rear-wheel drive blocks.

this engine adapted transverse front-wheel drive applications. according gm, crankshaft shortened 13 mm – 3 mm @ flywheel end , 10 mm @ accessory drive end – reduce length of engine compared 6.0l. accessories driven single serpentine belt save space. water pump mounted remotely elongated pump manifold connects coolant passages. revised oil pan baffles, or windage trays, incorporated ls4 ensure oil sump stays loaded during high-g cornering. active fuel management used. output of version 303 hp (226 kw)/300 hp on lacrosse super , 323 lb·ft (438 n·m).

applications:

2005–2008 pontiac grand prix gxp
2006–2009 chevrolet impala ss
2006–2007 chevrolet monte carlo ss
2008–2009 buick lacrosse super

4.125 in bore blocks (2006–present)

inspired ls1.r in size , performance goals, family of blocks designed race oriented performance. engine bore size used in production vehicle ls7 lsx being aftermarket use. 1 unique feature of family cylinders siamesed, no water passages between neighboring cylinders. done increase both bore size , block strength.

7.0 l

ls7

7.0 l ls7 engine in 2006 chevrolet corvette z06



ls7 can refer 454 on counter 460+ hp high compression engine chevrolet big-block engine of 1970s

the ls7 7,011 cc (7.011 l; 427.8 cu in) engine, based on gen iv architecture. block changed, sleeved cylinders in aluminum block , larger 4.125in (104.775mm) bore , longer 4.00in (101.6mm) stroke ls2. small-block s 4.4 in (110 mm) bore spacing retained, requiring pressed-in cylinder liners. crankshaft , main bearing caps forged steel durability, connecting rods forged titanium, , pistons hypereutectic. two-valve arrangement retained, though titanium intake valves del west have grown 2.20 in (56 mm) , sodium-filled exhaust valves 1.61 in (41 mm).

peak output 505 hp (377 kw) @ 6300 rpm , 470 lb·ft (640 n·m) @ 4800 rpm 7100 rpm redline during gm s reliability testing of engine in prototype phase, ls7 remarked have been repeatedly tested 8000 rpm capable, although power not recorded @ rpm level, due constraints of camshaft s hydraulic lifters , intake manifold ability flow required air @ engine speed.

the ls7 hand-built general motors performance build center in wixom, michigan. of these engines installed in z06, sold individuals gm crate engine. while has same displacement hennessey venom gt utilizes iron block lsx, not ls7.

after extensive engineering process on several years, holden special vehicles fitted ls7 special edition model, w427. hsv-tuned engine produced 375 kw (503 hp) , 640 n·m (470 lb·ft). w427 unveiled @ melbourne international motor show on february 29, 2008 , went on sale in august 2008. first australian car fitted engine, however, csv gts of 2007, claimed have power output of 400 kw (536 hp) , 600 n·m (440 lb·ft).

applications:

2006–2013 chevrolet corvette z06
2008 spada codatronca
2013 corvette 427 convertible
2007 csv gts
2008 hsv w427
2012 new zealand v8supertourer
2014-2015 chevrolet camaro z/28
vertical hummingbird helicopter
2012–present falcon f7
2014 korres p4

4.06 in bore blocks (2007–present)

this family designed replacement ls2 enlarged better accommodate variable valve timing , active fuel management while still generating performance. family of engines has seen duty in performance cars , high-end suvs.

6.2 l

l92

the 2007 cadillac escalade has 6.2 l vortec 6200 (rpo l92) (≈379 cu in) engine. all-aluminum design which, while still pushrod engine, boasts variable valve timing. system adjusts both intake , exhaust timing between 2 settings. engine produces 403 hp (301 kw) , 417 lb·ft (565 n·m) in gmc yukon denali/xl denali, gmc sierra denali, hummer h2, , briefly in chevrolet tahoe ltz (midway through 2008 through 2009) , rated @ 403 hp (301 kw) , 415 lb·ft (563 n·m). available in chevrolet silverado , gmc sierra starting in 2009 (as l9h) power ratings of 403 hp (301 kw) , 417 lb·ft (565 n·m) .the l92 modified flex fuel capability 2009 , became l9h, , further modified active fuel management 2010 (and becoming l94) in cadillac escalade , gmc yukon denali s (active fuel management hardware present in 2007 engines, software not present in pcm).

applications:

2007-2013 cadillac escalade (l9h 2009, l94 2010-2013)
2008-2009 chevrolet tahoe
2007-2013 gmc yukon denali/denali xl
2007-2013 gmc sierra denali
2008-2009 hummer h2
2009-2013 chevrolet silverado 1500 (as rpo code l9h)
2009-2013 gmc sierra 1500 (as rpo code l9h)

ls3

gm ls3 engine in 2008 chevrolet corvette



ls3 can refer 402 cid chevrolet big-block engine of 1970s

the ls3 introduced corvette s new base engine 2008 model year. produces 430 bhp (321 kw; 436 ps) @ 5900 rpm , 424 lb·ft (575 n·m) @ 4600 rpm without optional corvette exhaust , sae certified. block updated version of ls2 casting featuring larger bore of 4.06 in (103 mm) creating displacement of 6,162 cc (6.162 l; 376.0 cu in). features higher flowing cylinder heads sourced l92, more aggressive camshaft 0.551-inch (14.0 mm) lift, 10.7:1 compression ratio, revised valvetrain 6 mm (0.24 in) offset intake rocker arms, high-flow intake manifold , 47 lb/hr fuel injectors ls7 engine.

the l76/l92/ls3 cylinder heads use 2.165 in (55.0 mm) intake valves, , 1.59 in (40 mm) exhaust valves. improved manufacturing efficiency makes these heads cheaper outgoing ls6 heads, , severely undercuts aftermarket heads. large valves, however, limit maximum rpm - 6000 in l76 (with afm), , 6600 in ls3 (with hollow stem valves).

in addition above, dual-mode exhaust package bypass on acceleration available on c6 corvettes. dual-mode exhaust uses vacuum-actuated outlet valves, control engine noise during low-load operation, open maximum performance during high-load operation. system similar c6 z06, uses 2.5 in (64 mm) diameter exhaust compared z06 s 3 in (76 mm). power boosted 436 hp (325 kw) , 428 lb·ft (580 n·m) option. similar system optional on later model 5th generation chevrolet camaros , standard on 2016-2017 chevrolet ss, no horsepower or torque increases advertised on vehicles.

from april 2008, australian performance car manufacturer, hsv, adopted ls3 standard v8 throughout range, replacing ls2. ls3 received modifications application hsv e series models, producing 425 bhp (317 kw). ls3 engine in e series ii gts (released september 2009) upgraded produce 436 bhp (325 kw). hsv my12.5 excluding base maloo , clubsport variants have been upgraded produce 436 bhp (325 kw).

from september 2015 holden introduced ls3 in v8 models of vf ii commodore , wn ii caprice-v, replacing 6.0l l77.

applications:

2008–2013 chevrolet corvette
2010–2015 chevrolet camaro ss (manual only)
2008–2017 holden commodore family:

2009 pontiac g8 gxp
2009–2013 vauxhall vxr8
2008–2013 hsv gts
2008–2015 hsv maloo r8 , senator signature
2008–2016 hsv clubsport r8
2014–2017 chevrolet ss
2015–2017 holden commodore


2008–2016 holden caprice family:

2008–2016 hsv grange
2015–2017 holden caprice-v


drakan spyder
tauro sport auto
2016-present megabots mk iii eagle prime

l99

for 4.3 l (260 cu in) generation ii engine of same rpo, see gm lt engine

the l99 derived ls3 reduced output adds active fuel management (formerly called displacement on demand) , variable valve timing, allows run on 4 cylinders during light load conditions.

applications:

2010–2015 chevrolet camaro ss (automatic transmission)

ls9

the gen iv ls9 supercharged 6,162 cc (6.162 l; 376.0 cu in) engine, based on ls3; ls7 block not used due higher cylinder pressures created supercharger requiring thicker cylinder walls of ls3. cylinder dimensions 4.06 in (103 mm) bore , 3.62 in (92 mm) stroke. equipped eaton four-lobe roots type supercharger , has compression ratio of 9.1:1. power output rated 638 bhp (476 kw) @ 6500 rpm , 604 lb·ft (819 n·m) @ 3800 rpm. note: gm used ls9 rpo code on 1969 , later chevrolet trucks (both 2wd , 4wd) including blazers, jimmys, suburbans, car carriers. original ls9 350 cu in v8, developing 160 hp , 245 ft/lbs of torque.

applications:

2009–2013 chevrolet corvette zr1
2017 hsv gtsr w1
equus bass 770

lsa

the supercharged 6.2l lsa similar ls9 , debuted in 2009 cts-v. lsa has been sae certified @ 556 bhp (415 kw) @ 6100 rpm , 551 lb·ft (747 n·m) @ 3800 rpm. gm labeled powerful ever offered in cadillac’s 106-year history . lsa features smaller 1.9l capacity supercharger rather 2.3 l variant of ls9. other differences include lower 9.0:1 compression ratio, single unit heat exchanger , cast pistons.

a 580 bhp (430 kw) , 556 lb·ft (754 n·m) version of lsa engine used in 2012 camaro zl1. on may 15, 2013, holden special vehicles announced version of lsa engine used in gen-f gts.

applications:

2009–2015 cadillac cts-v
2012–2015 chevrolet camaro zl1
2013-2017 hsv gts
2014 hsv gts maloo
2015-2017 hsv clubsport r8 lsa, maloo r8 lsa , senator signature
2017 hsv gtsr , gtsr maloo




^ nascar s new motor . circletrack.com. retrieved january 25, 2012. 
^ nascar block wins award
^ all-new g8 accelerates new era of rear-wheel-drive performance @ pontiac . global auto index. february 7, 2007. retrieved august 30, 2007. 
^ 2010 vortec 6.0l v-8 vvt hybrid (lz1) . gm. 2010. retrieved may 21, 2013. 
^ gm powertrain . gm. archived original on july 2, 2013. retrieved may 21, 2013. 
^ gm inside news forum - engine guide . gminsidenews.com. march 22, 2009. retrieved april 26, 2009. 
^ ls4 overview - gm powertrain . 
^ gen iii & gen iv vortec truck engines . gm high-tech performance. february 26, 2007. retrieved september 21, 2010. 
^ revealed: our fastest, expensive road car . sydney morning herald. february 29, 2008. 
^ csv gts ls7 - hsv s faithful wait official 7.0-litre project, csv has beaten factory power punch . wheels. motoring.com.au. december 2007. archived original on june 20, 2015. retrieved june 21, 2015. 
^ vertical aviation technologies (2013). hummingbird 300ls . retrieved february 14, 2013.