fits year: 2001–2006.

( Brand: Gm ), ( Manufacturer Part Number: 366RE ), ( Part Type: Engine ), ( Warranty: 3 Year )
The 2001-2006 GM 6.0L LQ4 engine, as found in the LS 6.0 series, is a powerhouse of an engine that delivers exceptional performance and reliability. This engine is a part of General Motors' legendary lineup of V8 engines and is renowned for its robustness and durability.
The 6.0L LQ4 engine is a pushrod, overhead valve design that boasts a displacement of 6,029 cubic inches, or 98.97 cubic liters. It features a cast-iron block and aluminum cylinder heads, which contribute to its overall weight and strength. The engine is equipped with a sequential multi-port fuel injection system, which delivers fuel to each cylinder in a precise and efficient manner.
The LQ4 engine is known for its impressive torque output, delivering up to 430 lb-ft at low RPMs. This torque comes from its 6-bolt main bearing caps, forged crankshaft, and forged connecting rods, all of which work together to create a sturdy and powerful engine.
The LQ4 engine is also renowned for its durability, thanks in part to its cast-iron cylinder liners, which provide excellent heat dissipation and resistance to wear. The engine's oil pump is equipped with a pressure relief valve, which helps to prevent damage from over-pressure situations.
The LQ4 engine is a versatile powerplant that can be found in a variety of GM vehicles, including pickup trucks and SUVs. It is known for its ability to handle heavy loads and tow trailers with ease, making it a popular choice for those who need a reliable and powerful engine for their work or recreational vehicles.
In summary, the 2001-2006 GM 6.0L LQ4 engine is a powerful and durable V8 engine that delivers impressive torque and is capable of handling heavy loads. Its cast-iron block and aluminum cylinder heads, forged crankshaft, and forged connecting rods make it a sturdy and reliable engine that is well-suited for use in a variety of applications.
Pros of buying a 2001-2006 GM 6.0L LQ4 engine LS6.0 366RE:1. Power: The 6.0L LQ4 engine is known for its power and torque, making it a popular choice for towing and off-road applications.
2. Reliability: Many owners report that these engines are reliable and durable, especially when properly maintained.
3. Availability of parts: The popularity of this engine means that parts are readily available and relatively inexpensive.
4. Affordability: Compared to newer engines, these older 6.0L engines can be more affordable, especially for those on a budget.
Cons of buying a 2001-2006 GM 6.0L LQ4 engine LS6.0 366RE:1. Fuel efficiency: The engine is not known for its fuel efficiency, which can lead to higher fuel costs over time.
2. Maintenance: The engine requires regular maintenance, including oil changes, air filter replacements, and fuel system cleaning.
3. Emissions: Older engines, such as the 6.0L, may not meet current emissions standards, which can lead to issues with smog checks and inspections.
4. Noise and Vibration: The engine can be quite noisy and vibrate a lot, which can be uncomfortable for some drivers.
Conclusion:The 2001-2006 GM 6.0L LQ4 engine LS6.0 366RE is a reliable and powerful engine that is popular for towing and off-road applications. However, it is not known for its fuel efficiency and requires regular maintenance. Additionally, it may not meet current emissions standards, and it can be quite noisy and vibrate a lot. If you can handle these drawbacks and are looking for a powerful engine at an affordable price, then the 6.0L LQ4 engine may be a good fit for you. However, it would be recommended to have a thorough inspection of the engine before purchasing to ensure it is in good condition.
Flex plate flywheel mounting flange 457 in. 25 x 45 cylinder head bolt size m11 2/1 5 m8 in. U available. 4:1 horsepower rating300-330 hp torque rating360-370 ft.
Rotating assembly specifications piston cast aluminum alloy piston volume in. 326, bore cylinder head specifications years 1-07 casting numbers373, 873317, chamber volume71cc71ccintake port runner volume200cc210ccexhaust sheepfold port exhaust volume70cc75ccintake valve diameter 2. In 1st design bore stroke 3. Cam housing bore diameter bore in.
Push rod length 7. 326, bore 7 rocker spring angle 15 degrees intake valve material steel - solid stem intake DOA. Fuel injector length between o-rings in. Cid bore DOA.
Bore spacing 4. 3 small block engine used in Gm trucks between 1999 and cylinder head bolt style torque to yield try torque size m11 x 2 155, 1/5 m8. 7 cc wrist pin DOA.
317, bore application 8th model u 1999 -01 Chevrolet'suburban 1999 04 Silverado 07 Silverado 1500 2500 04Gmcsierra Denali 2001 06 sierra HD classic 1999 04 sierra 06 sierra 3500 Yukon Denali, xl15 xl25002003--07hummerh2 engine block specifications casting numbers12551364, in. Thrust bearing location 3 maintain cap style 6-Bultmann housing bore diameter 2.
Deck height 9. Exhaust valve diameter 1. 25 x 45 camshaft specifications years 1-07 duration at. Rocker arm mounting styled-cast, roller fulcrum rocker ratio 1.
Pressed wrist pin DOA. Crankshaft rod journal 2. 050 in int.
Other specifications intake manifold truck style throttle body80mm, 3-bolt throttle control all cable operated, 1999 -02 drive-by-wire phased in, on most model's fuel injector flow 24 exhaust valve material steel - solid stem exhaust DOA. Performance specifications compression ratio 9. Fuel injector connective 6 rector ring 24 camshaft sensor rear mount, 1x on Camel pan deep rear sump oil pump standard volume this engine is 100 remanufactured from top to bottom in full floating connecting rod material powdered metal connecting style-beam connecting length 6.
Exporting no problem. Ex 207valve lift int 2nd design cam-to-crank center line 4. Lobe separation angle in degrees 114116cam gear attachment 3-bolt valve train specifications lifter style hydraulic roller lifter link style plastic lifter tray lifter body diameter 0. 346, bore the lq4 is a gen.
000 in rector wheel 24 flywheel mounting flange lbs. We require a core return on this engine. For marketing purposes, it was also known as the vortex information listed here is stock engine.
Connecting rod bolts 9 x 1 43 crankshaft material cast iron crankshaft main journal 2.