The Chevy LQ9 6.0L engine is a high-performance V8 engine produced by General Motors. It was first introduced in 2002 and was primarily used in trucks, SUVs, and high-performance cars such as the Chevrolet Corvette and Pontiac GTO.

The LQ9 engine is a part of GM’s Vortec engine family and features an iron block and aluminum heads. It has a displacement of 6.0 liters (364 cubic inches) and a high compression ratio of 10.0:1, which contributes to its impressive power output.

One of the key features of the LQ9 engine is its use of the Gen III small-block architecture, which includes advanced technologies such as electronic throttle control, drive-by-wire throttle, and coil-near-plug ignition. It also includes a high-performance camshaft, larger injectors, and other upgrades that contribute to its performance.

Specifications for the Chevy LQ9 6.0L engine:

Engine Type V8
Displacement 6.0 liters (364 cubic inches)
Bore x Stroke 4.00 in x 3.62 in
Compression Ratio 10.0:1
Valvetrain OHV (Overhead Valve)
Fuel Delivery Sequential Fuel Injection
Horsepower 345 hp @ 5,200 rpm
Torque 380 lb-ft @ 4,000 rpm
Block Material Cast Iron
Cylinder Head Material Aluminum
Firing Order 1-8-7-2-6-5-4-3
Engine Weight Approx. 480 lbs
Recommended Fuel Regular Unleaded
Recommended Oil 5W-30 or 10W-30 Synthetic
Maximum Engine Speed 6,500 rpm
Applications 2002-2007 Chevrolet Silverado HD, GMC Sierra HD, and 2003-2007 Chevrolet Express/GMC Savana Van
Camshaft Hydraulic roller
Camshaft Duration 204/211 degrees @ 0.050″ lift
Camshaft Lift 0.520″/0.520″
Intake Manifold Composite
Throttle Body 78mm
Ignition System Coil-near-plug
Exhaust Manifold Cast iron
Fuel Injectors 28.8 lb/hr
Oil Capacity 6 quarts
Coolant Capacity 16.6 quarts
Emissions Control Catalytic converter, positive crankcase ventilation
Transmission Compatibility 4L80E, 4L85E

Chevy LQ9 engine oil specifications

Spec Value
Oil capacity 7 quarts (6.6 liters)
Oil type GM dexos1 Gen 2 synthetic blend
Recommended oil change interval Every 7,500 miles or 12 months (whichever comes first)

It’s important to note that these specifications may vary depending on the year and model of the vehicle, so it’s always a good idea to consult the owner’s manual for specific information about your Chevy LQ9 engine.

Fuel consumption

The fuel consumption of the Chevy LQ9 6.0L engine can vary depending on several factors such as vehicle weight, driving conditions, and modifications. However, here are the estimated fuel consumption ratings for different vehicles equipped with the Chevy LQ9 6.0L engine:

  1. 2003-2006 Chevrolet Silverado 1500 SS with 2WD: 12 mpg city, 16 mpg highway, 14 mpg combined
  2. 2003-2006 Chevrolet Silverado 1500 SS with 4WD: 12 mpg city, 15 mpg highway, 13 mpg combined
  3. 2002-2006 Chevrolet Avalanche 1500 with 2WD: 12 mpg city, 17 mpg highway, 14 mpg combined
  4. 2002-2006 Chevrolet Avalanche 1500 with 4WD: 12 mpg city, 16 mpg highway, 13 mpg combined

It’s important to note that actual fuel consumption can vary depending on individual driving habits and conditions, and may be affected by factors such as traffic congestion, driving speed, and vehicle maintenance. Regular maintenance, including replacing air and fuel filters, can help ensure optimal fuel efficiency and performance from the Chevy LQ9 6.0L engine.

What cars use the Chevy LQ9 engine?

Make Model Year Engine Type Horsepower Torque Transmission
Cadillac Escalade 2002-2006 6.0L V8 345 hp 380 lb-ft 4-speed automatic
Chevrolet Avalanche 1500 2002-2006 6.0L V8 345 hp 380 lb-ft 4-speed automatic
Chevrolet Silverado 1500 SS 2003-2006 6.0L V8 345 hp 380 lb-ft 4-speed automatic
Chevrolet Suburban 1500 2000-2006 6.0L V8 345 hp 380 lb-ft 4-speed automatic
Chevrolet Tahoe 2000-2006 6.0L V8 345 hp 380 lb-ft 4-speed automatic
GMC Sierra 1500 Denali 2002-2006 6.0L V8 345 hp 380 lb-ft 4-speed automatic
GMC Yukon Denali 2000-2006 6.0L V8 345 hp 380 lb-ft 4-speed automatic

The Chevy LQ9 6.0L engine was primarily used in full-size trucks and SUVs from General Motors, including the Cadillac Escalade, Chevrolet Avalanche 1500, Silverado 1500 SS, Suburban 1500, Tahoe, GMC Sierra 1500 Denali, and Yukon Denali.

The cost of a Chevy LQ9 kit

The cost of a Chevy LQ9 rebuild kit can vary depending on the manufacturer, the specific components included in the kit, and the seller’s pricing.

On average, a basic rebuild kit for the Chevy LQ9 engine can cost anywhere from $500 to $800. However, if you’re looking for a more comprehensive kit with higher-end components, the cost can exceed $1,000.

It’s worth noting that while a rebuild kit may seem like a significant expense, it can save you money in the long run by allowing you to overhaul your engine rather than replacing it entirely. Additionally, a properly rebuilt engine can improve performance and fuel efficiency, making it a worthwhile investment for many Chevy LQ9 engine owners.

A table of estimated costs for various Chevy LQ9 engine rebuild, performance, and accessory kits. Please note that these prices are for estimation purposes only and can vary based on the manufacturer, seller, and specific components included in each kit.

Kit Type Estimated Cost Range
Rebuild Kit $500 – $1,200
Stroker Kit $1,500 – $3,000
Cam Kit $500 – $1,000
Turbo Kit $2,000 – $6,000
Supercharger Kit $3,000 – $8,000
Performance Rebuild Kit $800 – $1,500
Accessory Drive Kit $500 – $1,000
Camshaft Kit $500 – $1,500

As previously mentioned, these prices are for estimation purposes only and can vary depending on various factors. It’s recommended to research and compare prices from multiple manufacturers and sellers before making a purchase. Additionally, consider the compatibility of each kit with your specific engine model and year, as well as any additional components or services required for installation.

Price

An estimated price table for the Chevy LQ9 6.0L engine. Please note that the prices can vary depending on the location, condition, and availability.

Type of Engine Price Range Description
New Engine $5,000 – $10,000 Brand new engine with full warranty from Chevy
Used Engine $1,500 – $4,500 Pre-owned engine in working condition
Remanufactured Engine $3,500 – $6,500 Rebuilt engine by a third-party with a warranty
Cost of Replacement $3,000 – $8,000 Cost to replace the engine, including labor costs

Please keep in mind that these prices are estimates and are subject to change based on the specific engine and location. Additionally, the cost of replacement may vary depending on the extent of damage and the amount of labor required for the installation. It is recommended to consult with a certified mechanic or Chevy dealership for accurate pricing and information.

Categories: 6.0Chevrolet

0 Comments

Leave a Reply

Avatar placeholder

Your email address will not be published. Required fields are marked *