4.06 in bore blocks .282007.E2.80.93present.29 LS based GM small-block engine

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