Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old Dec 11, 2007 | 06:12 PM
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Default LSx Identification

I was thinking it'd be helpful if we compiled a list of all the different LSx motors with the basic specs and engine codes so that the newbies/uninformed, like myself, would know what they are looking for.

Just the basics like engine code, model years, bore and storke, compression maybe some pros and cons like known problems oh and also hp rating from the factory.

If this is already available point me in the right direction and somebody make a sticky of it.
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Old Dec 11, 2007 | 09:24 PM
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http://www.automotiverebuilder.com/ar/eb040538.htm
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Old Dec 12, 2007 | 07:44 AM
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That's a good start.

But, it's a little dated, lacking some info on the latest motors. Like the 6.2L L92's for example.

Wikipedia (suprise) also has a chunck of info on the LSx platform motors, which is fairly informative and accurate.

'JustDreamin'
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Old Dec 12, 2007 | 04:04 PM
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It seem many have started these types of lists many times before.. and many can be found on the internet by searching and some found on other forums.

This can be a never ending task of updating information if you do not complete it with every bit of information. Are you willing to keep a living document going for years to come ?
Not trying to discourage you, but you will be the owner of this document and there is always something to update from time to time... and as GM releases new updates to the GEN III and IV platform.
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Old Dec 12, 2007 | 05:43 PM
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Thanks for the link, that helped alot. As for the becoming the keeper of the list thats not something id be able to do just felt as a forum we could add in any new knowledge and a moderator can easily update the thread as needed. Something like this is what i had in mind

'99-'04 4.8L LR4 Hp-xxx Tq-xxx Bore-xxx Stroke-xxx Compression-xx.x:x
'99-'04 5.3L LM7
'97-'04 5.7L LS1
'99-'04 6.0L LQ4
'02-'04 6.0L LQ9

Nothing real complex just basic info to help guide in choosing the right motor and with the above link and others you can find the more in depth information.
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Old Dec 13, 2007 | 12:17 AM
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LS1 (Gen3 car engine)

Bore|Stroke|SweptCapacity: 3.9"| 3.622" | 5.7l
Peak Torque(Power): 335-365ft lb (350bhp)
MAterial|Weight: All Aluminium|approx ~195kg( lb) [Block~40kg][though it will depend on configuration]
Applications:
* 1997-2004 Chevrolet Corvette C5, excluding Z06
* 1998-2002 Chevrolet Camaro Z28, Z28 SS
* 1998-2002 Pontiac Firebird Formula and Trans-Am
* 2004 Pontiac GTO
* 1999-2005 Holden Commodore Ute
* 1999-2005 Holden Commodore (VT, VX, VY, VZ)
* 1999-2005 Holden Statesman (WH, WK, WL)
* 1999-2005 Holden Caprice (WH, WK, WL)
* 1999-2004 Holden Special Vehicles (all V8 models)
* 2001-2005 Holden Monaro CV8
* 2006-2007 Elfin MS8 Streamliner
GM Crate engine part #: 17801267 (This is the latest current one but the blocks are being phased out)
Notes: This is the engine in the normal C5 Corvette rated to 350bhp. Engines from 2001 are supposed to have used LS6 cylinder heads + "smaller" cam. The heads

*

LS6 (Gen3 car engine)
Bore|Stroke|SweptCapacity: 3.9"| 3.622" | 5.7l
Peak Torque(Power): 400 ft·lbf (405 hp)
Material|Weight: All Aluminium| Weight should be similar to LS1 [though it will depend on configuration]
Applications:
* 1997-2004 Chevrolet Corvette C5 Z06
* 1998-2002 Chevrolet CTS-V
GM Crate engine part #: 17801268 (This is the latest part number from SDPC)
Notes: This is the engine in the Z06 C5 Corvette varient, featured improved cylinder heads for better flow vs LS1. Changes made after 2002 for improved power.

*

LQ4 (Gen3 Truck engine)
Bore|Stroke|SweptCapacity: 4.00" | 3.622"| 6.0l
Peak Torque(Power): 360ft/lb(300-330bhp sae)
Material|Weight: Iron+Al heads|approx ~235kg( lb) [Block~82kg][though it will depend on configuration]
Applications:
* Chevrolet Express/GMC Savana
* Chevrolet Silverado 3500 Pickup, Crew Cab, and Chassis Cab/GMC Sierra 2500 HD Pickup and Crew Cab, C3, Denali, and 3500 Pickup and Chassis Cab, 1500HD Crew Cab
* Chevrolet Suburban/GMC Yukon XL Denali
* Hummer H2 SUT
* GMC Yukon Denali
GM Crate engine part # not been able to find a decent part number.
Notes: All iron truck version of the gen3 LS engines, the internals are quite different to LS1 due to the application.

*

LQ9 (Gen 3 Truck engine)
Bore|Stroke|SweptCapacity: 4.00" | 3.622"| 6.0l
Peak Torque(Power):380 ft·lbf (345 hp)
Material|Weight: Iron block/Aluminium heads | Weight should be similar to LQ4[though it will depend on configuration]
Applications:
* 2002-2006 Cadillac Escalade
* 2002-2006 Cadillac Escalade EXT
* 2003-2006 Cadillac Escalade ESV
* 2003-2007 Chevrolet Silverado SS
* 2004-2005 Chevrolet Silverado and GMC Sierra Vortec HO Edition Only [Badging on truck]
* 2006-2007 Chevrolet Silverado and GMC Sierra VortecMAX Option
GM Crate engine part # 19156262
Notes: This engine is supposed to have a different rotating assembly compared to the LQ4, rated for higher output power and higher compression ratio.

*

LS2 (Gen 4 Car engine)
Bore|Stroke|SweptCapacity: 4.00" | 3.622" | 6.0l
Peak Torque(Power): 400fl lb (400bhp)
Material|Weight: All Aluminium|Weight will be similar to LS1[though it will depend on configuration]
Applications:
* 2006-2007 Cadillac CTS-V
* 2005-2007 Chevrolet Corvette
* 2005-2006 Chevrolet SSR
* 2006-2008 Chevrolet TrailBlazer SS
* 2004-2007 Holden Special Vehicles (all V8 models)
* 2005-2006 Pontiac GTO
* 2008-2010? Saab 9-7X Aero
* 2005-2006 Vauxhall Monaro VXR
GM crate engine part # 89017654 (Goodwrench part number)
Notes: This is the engine in the 2005-2007 C6 Corvette, featured cylinder heads based on LS6 but with a larger engine capacity.

*

LS7 (Gen 4 Car engine)
Bore|Stroke|SweptCapacity: 4.125"|4.00"|7.0l
Peak Torque(Power): 470 ft·lbf 505 hp)
Material|Weight: All Aluminium| ?kg( lb) [Block~()] - should be lighter than LS2.
Applications:
* 2006-2008 C6 Corvette Z06 only
Notes: This is the engine in the Z06 C6 Corvette varient. Has dry sump lubrication. Has the 'best' heads of any small block motor to date. Reputely soon to be phased out

*

LS3 (Gen 4 Car engine)
Bore|Stroke|SweptCapacity:
Peak Torque(Power): 424ft lb(430bhp)
Material|Weight: All Aluminium|Weight will be similar to LS1[though it will depend on configuration]
Applications:
* 2008- C6 Corvette
GM crate engine part # no part number yet
Notes: This is the engine that replaces LS2 in the Corvette, features improved cylinder heads based off the LS7 design.

*

LY6 (Gen 4 Truck engine)
Bore|Stroke|SweptCapacity: 4.00" | 3.622" | 6.0l
Peak Torque(Power):
Material|Weight: All Aluminium|Weight will be similar to LS1[though it will depend on configuration]
Applications:
* 2007-present Chevrolet Silverado HD
* 2007-present GMC Sierra HD
* 2007-present Chevrolet Suburban 3/4 ton
* 2007-present GMC Yukon XL 3/4 ton
Notes:

*

L76 (Gen 4 Holden engine)
Bore|Stroke|SweptCapacity: 4.00" | 3.622" | 6.0l
Peak Torque(Power):376ft lb(348 hp) [L98- 391 ft·lbf(362 hp)]
Material|Weight: All Aluminium|Weight will be similar to LS1[though it will depend on configuration]
Applications:
* 2006 Holden VZ Commodore
* 2008 Pontiac G8
L98 - version
* 2006-2007 Holden VE Commodore
* 2006-2007 Holden WM Statesman / Holden WM Caprice
* 2007-2008 Chevrolet Lumina SS
* 2007-2008 Chevrolet Caprice SS
Notes:

*

L92 (Gen 4 Truck engine)
Bore|Stroke|SweptCapacity: 4.065"|3.622"|6.2l
Peak Torque(Power): (405hp)
Material|Weight: All Aluminium|Weight will be similar to LS1[though it will depend on configuration]
Applications:
Notes: This engine is almost identical to the 2008 C6 Corvette varient LS3, except that it features DOD and variable valve timing(through cam phasing).
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Old May 14, 2008 | 12:49 AM
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Info abouve incorrect with regards to the LY6 .. LY6 is iron.

And takes over the lq4.

LY6
The Vortec 6000 LY6 is a Generation IV small block V8 truck engine. It shares the same bore and stroke as its LQ4 predecessor, and also features variable valve timing.
LY6 applications:

Last edited by Jammer; May 14, 2008 at 12:55 AM.
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Old Jul 15, 2013 | 01:18 PM
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can an ly6 be put into a 2001 sierra without 10000 worth of stuff?
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