LQ9 or LQ4?
06-03-2004, 04:31 PM
#31
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I went to the GM web sites and got this info. These are options on these trucks and it is interesting. Check out the all alunium 5.3 in the SSR
2004 Yukon Denali XL
Engine, Vortec 6000 V8 SFI, (325 HP [242.1 kW] @ 5200 rpm, 365 lb.-ft. [492.8 N-m] @ 4000 rpm) (LQ4)
2004 Silverado 2500
Engine, Vortec 6000 V8 SFI, (300 HP [223.8 kW] @ 4400 rpm, 360 lb.-ft. [486.6 N-m] @ 4000 rpm) (LQ4)
2004 Escalade AWD
Engine, Vortec high-output 6000 V8 SFI, (345 HP [257.0 kW] @ 5200 rpm, 380 lb.-ft. [513.0 N-m] @ 4000 rpm) (LQ9)
2004 SSR
Engine, Vortec 5300 V8 SFI, (300 HP [223.7 kW] @ 5200 rpm, 335 lb.-ft. [454.2 N-m] @ 4000 rpm) (LM4)
2004 Silverado 1500
Engine, Vortec 5300 V8 SFI, (295 HP [219.7 kW] @ 5200 rpm, 330 lb.-ft. [445.5 N-m] @ 4000 rpm) (LM7)
2004 Silverado 1500
Engine, Vortec 5300 V8 SFI, Flexible Fuel (295 HP [219.7 kW] @ 5200 rpm, 330 lb.-ft. [445.5 N-m] @ 4000 rpm) (L59)
You can get a brand new LQ9 from GM Performance PartsClick Here For The Link
And here is the 4L65EClick Here For The Link
2004 Yukon Denali XL
Engine, Vortec 6000 V8 SFI, (325 HP [242.1 kW] @ 5200 rpm, 365 lb.-ft. [492.8 N-m] @ 4000 rpm) (LQ4)
2004 Silverado 2500
Engine, Vortec 6000 V8 SFI, (300 HP [223.8 kW] @ 4400 rpm, 360 lb.-ft. [486.6 N-m] @ 4000 rpm) (LQ4)
2004 Escalade AWD
Engine, Vortec high-output 6000 V8 SFI, (345 HP [257.0 kW] @ 5200 rpm, 380 lb.-ft. [513.0 N-m] @ 4000 rpm) (LQ9)
2004 SSR
Engine, Vortec 5300 V8 SFI, (300 HP [223.7 kW] @ 5200 rpm, 335 lb.-ft. [454.2 N-m] @ 4000 rpm) (LM4)
2004 Silverado 1500
Engine, Vortec 5300 V8 SFI, (295 HP [219.7 kW] @ 5200 rpm, 330 lb.-ft. [445.5 N-m] @ 4000 rpm) (LM7)
2004 Silverado 1500
Engine, Vortec 5300 V8 SFI, Flexible Fuel (295 HP [219.7 kW] @ 5200 rpm, 330 lb.-ft. [445.5 N-m] @ 4000 rpm) (L59)
You can get a brand new LQ9 from GM Performance PartsClick Here For The Link
Gen III 6.0L V8 Production Engine part # 12499467
What a great engine to re-power your favorite car or truck. This is a quality V-8 Crate Engine "RPO LQ9" with the following features:
345 Horsepower @ 5200 RPM and 380 lb-ft @ 4000 RPM torque
Sequntial fuel injection
Bore is 101.60mm and Stroke is 92.00mm with 10:1 compression ratio
Cast Iron Block, Aluminum Heads and Hydraulic roller design camshaft
This production engine powers the AWD Cadillac Escalade
This production engine includes: exhaust manifolds, intake manifold, injectors, fuel rails, balancer, water pump and flywheel
The iron block truck LQ9 engine weighs approximately 65 pounds more than a typical LS1 and LS6.
What a great engine to re-power your favorite car or truck. This is a quality V-8 Crate Engine "RPO LQ9" with the following features:
345 Horsepower @ 5200 RPM and 380 lb-ft @ 4000 RPM torque
Sequntial fuel injection
Bore is 101.60mm and Stroke is 92.00mm with 10:1 compression ratio
Cast Iron Block, Aluminum Heads and Hydraulic roller design camshaft
This production engine powers the AWD Cadillac Escalade
This production engine includes: exhaust manifolds, intake manifold, injectors, fuel rails, balancer, water pump and flywheel
The iron block truck LQ9 engine weighs approximately 65 pounds more than a typical LS1 and LS6.
And here is the 4L65EClick Here For The Link
24221888 4L65-E Automatic Transmission
GM Hydramatic has baked even more technology enhancements into the automatic transmission line up with the new 4L65E. This transmission, the latest creation from GM Hydramatic Motorsports, is a four speed, offering all the latest heavy duty components to stand up to the power of the LS6-405 HP Corvette engines. Upgrades like induction hardened turbine input shafts, larger intermediate servo, an additional three-four clutch plate. All go toward accommodating higher engine power output. The 4L65E offers optimized performance, fuel economy and increase durability. This sate-of-the-art transmission features the latest heavy duty components and high tech-electronic controls. The advanced electronics controlling the LS6 engine also manages the 4L65E shift points, providing unparalleled performance and durability, P/N 24221888 also includes the torque converter. (No core charge required on this transmission)
GM Hydramatic has baked even more technology enhancements into the automatic transmission line up with the new 4L65E. This transmission, the latest creation from GM Hydramatic Motorsports, is a four speed, offering all the latest heavy duty components to stand up to the power of the LS6-405 HP Corvette engines. Upgrades like induction hardened turbine input shafts, larger intermediate servo, an additional three-four clutch plate. All go toward accommodating higher engine power output. The 4L65E offers optimized performance, fuel economy and increase durability. This sate-of-the-art transmission features the latest heavy duty components and high tech-electronic controls. The advanced electronics controlling the LS6 engine also manages the 4L65E shift points, providing unparalleled performance and durability, P/N 24221888 also includes the torque converter. (No core charge required on this transmission)
06-06-2004, 02:13 PM
#39
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Originally Posted by parish8
i consider the parts i sell "stress tested" 
Classic! And i didnt realize GMPP had them for that much. Bare blocks are still ~$850. If i was going to rip the thing up, and do a boost engine i'd still get an LQ4 vs an LQ9. But if i got the LQ9, i'd get a longblock like then then part out most of the bottom end stuff lol.