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Truck Engine Break Down by size and code

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Old 02-06-2009, 11:52 PM
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Default Truck Engine Break Down by size and code

Truck Engine Break Down by size and code

4.8L

LR4
The Vortec 4800 LR4 is a Generation III small block V8 truck engine. Displacement is 4.8 L (≈293 cu in) with a 96.01 mm bore and 83 mm stroke. It is the smallest of the Generation III Vortec truck engines and was the replacement for the 5.0 L 5000 L30. The LR4 produces 270 horsepower (200 kW) to 295 horsepower (220 kW) and 285 lb·ft (386 N·m) to 305 lb·ft (414 N·m), depending on the model year and application. LR4s are manufactured at St. Catharines, Ontario and Romulus, Michigan.

LR4 applications:

2003-present Chevrolet Express 2500-3500/GMC Savana 2500-3500
1999-2007 Chevrolet Silverado/GMC Sierra
1999-2006 Chevrolet Tahoe/GMC Yukon

LY2
The Vortec 4800 LY2 is a Generation IV small block V8 truck engine. Like its LR4 predecessor, it gets its displacement from a 96.01 mm bore and 83 mm stroke. The smallest member of the Generation IV Vortec engine family, it is unique in that it is the only member of that family that does not feature either variable valve timing or Active Fuel Management. It is rated at 295 hp (220 kW) and 305 ft·lbf (414 N·m) of torque for all applications.

LY2 applications:

2007-present Chevrolet Silverado 1500
2007-present Chevrolet Tahoe
2007-present GMC Sierra 1500
2007-present GMC Yukon

5.3L

***Generation III***

The Vortec 5300, or LM7/LM4/L59/L33, is a V8 truck engine. It is a stroked (by 9 mm) version of the Vortec 4800 and replaced the 5700 L31. L59 denoted a flexible fuel version, while the LM7 was the standard version of the engine.

Power output is 285-295 hp (213-220 kW) and torque is 325 lb·ft (441 N·m) to 335 lb·ft (454 N·m). Displacement is 5.3 L (5328 cc (325 cu in)) from 96.01 mm bore and 92.00 mm stroke. Vortec 5300s are built in St. Catharines, Ontario, Romulus, Michigan, and Silao, Mexico.


LM7
The LM7 Vortec 5300 was introduced in 1999, and can be considered the "garden variety" version of the Generation III 5.3 liter V8's.

LM7 applications:

2002-2005 Cadillac Escalade 2WD
2002-2006 Chevrolet Avalanche
2003-2007 Chevrolet Express/GMC Savana
1999-2007 Chevrolet Silverado 1500
1999-2007 GMC Sierra 1500
1999-2006 Chevrolet Suburban/GMC Yukon XL
1999-2006 Chevrolet Tahoe/GMC Yukon

LM4
The LM4 was an aluminum block version of the LM7, and had a short production life. It should not be confused with the L33.

LM4 applications:

2004 Chevrolet TrailBlazer EXT
2004 GMC Envoy XL
2004 Chevrolet SSR

L33
The L33 was an aluminum block version of the LM7, and was referred to as the Vortec 5300 HO in marketing materials. Power increased by 15 hp (11 kW), to 310 hp (230 kW), over the LM7, and torque was unchanged. It was only available on extended cab 4WD pickup trucks.

L33 applications:

2005-2007 Chevrolet Silverado 1500 4WD
2005-2007 GMC Sierra 1500 4WD

L59
The L59 Vortec 5300 was introduced in 2002, and was a flexible fuel version of the LM7. Power and torque ratings matched that of the LM7.

L59 applications:

2002-2007 Chevrolet Silverado 1500
2002-2006 Chevrolet Tahoe/GMC Yukon
2002-2006 Chevrolet Suburban/GMC Yukon XL
2002-2007 GMC Sierra 1500

***Generation IV***

First introduced in 2005, the Generation IV Vortec 5300 engines share all the improvements and refinements found in other Generation IV engines. At present, four versions of the 5300 are in production: 2 iron block versions (LY5 and LMG) and 2 aluminum block versions (LH6 and LC9). All versions feature the Active Fuel Management system.


LH6
The LH6 with Active Fuel Management replaced the LM4 for 2005, and was the first of the Generation IV small block V8 truck engines to go into production. It is the aluminum block counterpart to the LY5.

LH6 applications:

2005-2007 Chevrolet TrailBlazer including EXT
2005 GMC Envoy XL
2005 GMC Envoy XUV
2005-2007 Buick Rainier
2005-present Saab 9-7X
2007 Chevrolet Silverado 1500
2007 GMC Sierra 1500

LY5
Introduced in 2007, the LY5 Vortec 5300 is the replacement for the LM7 Generation III engine. For SUV applications, it is rated at 320 hp (239 kW) and 340 ft·lbf (461 N·m) of torque; for pickup truck applications, it is rated at 315 hp (235 kW) and 338 ft·lbf (458 N·m) of torque.

LY5 applications:

2007-present Chevrolet Avalanche
2007-present Chevrolet Silverado 1500
2007-present Chevrolet Suburban 1/2 ton
2007-present Chevrolet Tahoe
2007-present GMC Sierra 1500
2007-present GMC Yukon
2007-present GMC Yukon XL 1/2 ton

LMG
The LMG Vortec 5300 is the flexible-fuel version of the LY5. Power and torque ratings for SUV and pickup truck applications are the same as each application's LY5 rating.

LMG applications:

2007-present Chevrolet Avalanche
2007-present Chevrolet Silverado 1500
2007-present Chevrolet Suburban 1/2 ton
2007-present Chevrolet Tahoe
2007-present GMC Sierra 1500
2007-present GMC Yukon
2007-present GMC Yukon XL 1/2 ton

LC9
The LC9 Vortec 5300 is the Flex-Fuel version of the LH6, and is found in 4WD models. SUV applications are rated at 310 hp (231 kW) and 335 ft·lbf (454 N·m) of torque.

LC9 applications:

2007-present Chevrolet Avalanche
2007-present Chevrolet Silverado 1500
2007-present Chevrolet Suburban 1/2 ton
2007-present GMC Sierra 1500
2007-present GMC Yukon XL 1/2 ton

LH8
The LH8 Vortec 5300 is a variant of the 5.3 L Gen IV small block V8 modified to fit in the engine bay of the GMT 345 SUV and GMT 355 trucks. It produces 300 hp (220 kW) at 5200 rpm and 320 lb·ft (434 N·m) at 4000 rpm. It has a displacement of 5328 cc (325 cu in). [22]

LH8 applications:

2008-present Hummer H3
2009-present Chevrolet Colorado
2009-present GMC Canyon

6.0L

***Generation III***

LQ4
The Vortec 6000, or LQ4, is a V8 truck engine. It is a bored version of the Vortec 5300. Displacement is 6.0 L (≈366 cu in) from 101.6 mm bore and 92 mm stroke. It is an iron/aluminum (2000 model year engines had cast iron heads) design and produces 300 horsepower (220 kW) to 325 horsepower (242 kW) and 360 lb·ft (488 N·m) to 370 lb·ft (502 N·m). LQ4s are built in Romulus, Michigan and Silao, Mexico.

LQ4 applications:

Chevrolet Express/GMC Savana
Chevrolet Silverado 2500 Pickup, 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

LQ9
The Vortec HO 6000 or VortecMAX is a special high-output version of the Vortec 6000 V8 truck engine originally designed for Cadillac. This engine was introduced in other truck lines as VortecMAX for 2006. It features high-compression (10:1) flat-top pistons for an extra 10 hp (7.5 kW) and 10 ft·lbf (14 N·m), bringing output to 345 hp (257 kW) and 380 ft·lb (515 N·m). LQ9s are built only in Romulus, Michigan. GM also listed it as based on LS architecture.[1]

LQ9 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

***Generation IV***

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:

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

L76
See also the automotive L76
The Vortec 6000 L76 is a Generation IV aluminum small block V8 truck engine and features variable cam phasing, along with Active Fuel Management. It can be considered the replacement for the Generation III LQ9 engine. It produces 367 hp (265 kW) at 5400 rpm and 375 ft·lb (495 N·m) at 4400 rpm. Production started in late 2006.

L76 applications:

2007-present Chevrolet Suburban
2007-present Chevrolet Avalanche
2007-present Chevrolet Silverado
2007-present GMC Sierra
2007-present GMC Yukon XL

LFA
The Vortec 6000 LFA is a Generation IV small block V8 truck engine. The LFA variant is used in the GM's hybrid GMT900 trucks and SUVs. Major features include Active Fuel Management, a late-intake valve timing system, and a higher 10.8:1 compression ratio. It produces 332 hp at 5100 rpm and 367 lb·ft (498 N·m) at 4100 rpm.

LFA applications:

2008-present Chevrolet Tahoe Hybrid
2008-present GMC Yukon Hybrid
2009-present Cadillac Escalade Hybrid
2009-present Chevrolet Silverado Hybrid
2009-present GMC Sierra Hybrid

6.2L

The 2007 Cadillac Escalade has a 6.2 L Vortec 6200 (RPO L92) (≈378 cu in) engine. It is an all-aluminum design which, while still a pushrod engine, boasts variable valve timing, a first in a mass-produced non-overhead cam V8 engine. The system adjusts both intake and exhaust timing between two settings. This engine produces 402 hp (301 kW) and 417 ft·lb (565 N·m) in the GMC Yukon Denali/XL Denali and in the GMC Sierra Denali, and rated at 403 hp (301 kW) and 415 ft·lbf (563 N·m) (441hp with 95 octane export version) in the Hummer and in the Cadillac Escalade.

6.2L Applications:

2007+ Cadillac Escalade
2008+ Chevrolet Tahoe
2007+ GMC Yukon Denali/Denali XL
2007+ GMC Sierra Denali
2008+ Hummer H2
2009+ Chevrolet Silverado 1500
Old 02-06-2009, 11:56 PM
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added to the index
https://www.performancetrucks.net/fo...d.php?t=414374
thanks!
Old 02-06-2009, 11:59 PM
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Any time!!! I am seeing so much miss information between the two side I figured we should throw something like this out there as a guide.
Old 02-07-2009, 12:01 AM
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do you have the head info up there??? I have that too...
Old 02-07-2009, 12:02 AM
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where did it go? i cant find it now
Old 02-07-2009, 12:03 AM
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Lost on the old server... I have some I will post up in a sec.
Old 02-07-2009, 12:08 AM
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So what about head bolt changes, do you know what other parts of the motor where changed as well?

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Old 02-07-2009, 12:09 AM
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Great information! Thanks for posting this!
Old 02-07-2009, 12:09 AM
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in 04 up models they use all one size bolt for the bigger bolts as opposed to 2 medium and 8 long bolts...
Old 02-07-2009, 12:11 AM
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Originally Posted by 1quickRST
Great information! Thanks for posting this!
I was looking for something else on google and I found this, I just had to get it up on this forum


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