And their related family motors like LQs. Includes additional info. aimed at helping enthusiasts identify and find motors for swaps/modifications.
And their related family motors like LQs. Includes additional info. aimed at helping enthusiasts identify and find motors for swaps/modifications.
| Model | Years Produced | Displacement (L) | Block | Bore, Stroke | Compression Ratio | Horsepower | Torque | Port Shape | Throttle | Uses | Other Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| LS1 | 1997–2004 | 5.7L | Aluminum | 3.90 x 3.62 | 10.1:1 | 305–350 | 335–365 | Cathedral | Cable → DBW | C5 Corvette, GTO, Camaro, Firebird | Early LS baseline |
| LS6 | 2001–2005 | 5.7L | Aluminum | 3.90 x 3.62 | 10.5:1 | 385–405 | 385–400 | Cathedral | Cable → DBW | C5 Corvette Z06, 1st gen CTS-V | Better heads, cam |
| LS2 | 2005–2009 | 6.0L | Aluminum | 4.00 x 3.62 | 10.9:1 | 390–400 | 400 | Cathedral | DBW | 2005-2007 C6 Corvette, Pontiac GTO, Trailblazer SS | Gen III/IV hybrid |
| LS4 | 2005–2009 | 5.3L | Aluminum | 3.78 x 3.62 | 10.0:1 | 303 | 323 | Cathedral | DBW | Impala, FWD cars | Transverse oddball |
| LM7 | 1999–2007 | 5.3L | Iron | 3.78 x 3.62 | 9.5:1 | 270–295 | 315–335 | Cathedral | Cable → DBW | Trucks/SUVs | Most common LS |
| L59 | 2002–2007 | 5.3L | Iron | 3.78 x 3.62 | 9.5:1 | 285–295 | 325–335 | Cathedral | DBW | Trucks/SUVs | E85 capable |
| LM4 | 2003–2005 | 5.3L | Aluminum | 3.78 x 3.62 | 10.0:1 | 290 | 325 | Cathedral | DBW | SUVs | Aluminum 5.3 |
| L33 | 2005–2007 | 5.3L | Aluminum | 3.78 x 3.62 | 10.0:1 | 310 | 335 | Cathedral | DBW | Silverado | “HO” 5.3 |
| LQ4 | 1999–2007 | 6.0L | Iron | 4.00 x 3.62 | 9.4:1 | 300–325 | 360–370 | Cathedral | Cable → DBW | HD trucks | Swap favorite |
| LQ9 | 2002–2007 | 6.0L | Iron | 4.00 x 3.62 | 10.1:1 | 345 | 380 | Cathedral | DBW | Escalade | Vortec HO |
| LR4 | 1999–2007 | 4.8L | Iron | 3.78 x 3.27 | 9.5:1 | 255–285 | 285–295 | Cathedral | Cable → DBW | Trucks | Smallest LS |
| L30 | 1999–2006 | 4.8L | Iron | 3.78 x 3.27 | 9.5:1 | ~270 | ~290 | Cathedral | Cable | Vans/trucks | Early variant |
| LS3 | 2008–2017 | 6.2L | Aluminum | 4.06 x 3.62 | 10.7:1 | 430–436 | 424 | Rectangle | DBW | Corvette, Camaro | Huge flow heads |
| L99 | 2010–2015 | 6.2L | Aluminum | 4.06 x 3.62 | 10.4:1 | 400 | 410 | Rectangle | DBW | Camaro SS (auto) | Detuned LS3 |
| LS7 | 2006–2015 | 7.0L | Aluminum | 4.125 x 4.00 | 11.0:1 | 505 | 470 | Rectangle | DBW | Corvette Z06 | Titanium rods |
| LS9 | 2009–2013 | 6.2L SC | Aluminum | 4.06 x 3.62 | 9.1:1 | 638 | 604 | Rectangle | DBW | Corvette ZR1 | Hand-built |
| LSA | 2009–2015 | 6.2L SC | Aluminum | 4.06 x 3.62 | 9.0:1 | 556–580 | 551–556 | Rectangle | DBW | CTS-V, ZL1 | LS9-lite |
| LY5 | 2007–2009 | 5.3L | Iron | 3.78 x 3.62 | 9.9:1 | 315 | 335 | Cathedral | DBW | Trucks | No AFM |
| LMG | 2007–2014 | 5.3L | Iron | 3.78 x 3.62 | 9.9:1 | 315–320 | 335–340 | Cathedral | DBW | Trucks | Common AFM motor |
| LC9 | 2007–2014 | 5.3L | Aluminum | 3.78 x 3.62 | 9.9:1 | 315–320 | 335–340 | Cathedral | DBW | SUVs | Aluminum LMG |
| LH6 | 2005–2009 | 5.3L | Aluminum | 3.78 x 3.62 | 9.9:1 | 300–315 | 320–338 | Cathedral | DBW | SUVs | Early AFM |
| LH8 | 2008–2009 | 5.3L | Iron | 3.78 x 3.62 | 9.9:1 | 300 | 320 | Cathedral | DBW | Hummer H3 | Oddball fitment |
| L76 | 2006–2010 | 6.0L | Aluminum | 4.00 x 3.62 | 10.4:1 | 360–367 | 375 | Rectangle | DBW | Holden, G8 | Car/truck hybrid |
| L77 | 2010–2017 | 6.0L | Aluminum | 4.00 x 3.62 | 10.4:1 | ~360 | ~380 | Rectangle | DBW | Holden, Caprice | Updated L76 |
| L92 | 2007–2008 | 6.2L | Aluminum | 4.06 x 3.62 | 10.5:1 | 403 | 417 | Rectangle | DBW | Escalade | Pre-LS3 heads |