Lexus GS 2005-2011 4.6l V8 Engine Specifications
Detailed technical specifications for the 4.6L V8 engine found in Lexus GS models from 2005 to 2011. This comprehensive guide covers key engine parameters, including horsepower, torque, transmission compatibility, and other crucial technical data, benefiting owners, mechanics, and enthusiasts. Find helpful information for maintenance, repairs, or potential upgrades.
2005-2011 Lexus GS 4.6L V8 Engine Specifications Specifications
This document provides a detailed overview of the 4.6L V8 engine used in the 2005-2011 Lexus GS. It covers key specifications, technical details, and performance characteristics. Use the search and navigation features to quickly find the information you need. Each section offers detailed explanations of the engine's components, and the quick reference section summarizes important specifications.
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Key Specifications
Engine Displacement
4.6L
Horsepower
330 hp @ 6,400 rpm
Torque
325 lb-ft @ 4,800 rpm
Cylinders
8
Valves per cylinder
4
Available Specifications
Engine Design and Components
This section details the design and construction of the 4.6L V8 engine. It covers the key components, materials used, and the engine's overall architecture.
Engine Design and Components
This section details the design and construction of the 4.6L V8 engine. It covers the key components, materials used, and the engine's overall architecture.
Engine Block and Head
- Engine block constructed from cast iron.
- Aluminum alloy cylinder heads.
- Dual overhead camshafts (DOHC) per bank.
- Variable valve timing (VVT-i) system.
- Four valves per cylinder.
- Cast iron cylinder block with precision machining.
Crankshaft and Connecting Rods
- Forged steel crankshaft.
- Alloy steel connecting rods.
- High-strength crankshaft design for durability.
- Precision-machined connecting rods for optimum performance.
Performance and Emission Characteristics
This section details the performance capabilities and emissions characteristics of the 4.6L V8 engine.
Performance and Emission Characteristics
This section details the performance capabilities and emissions characteristics of the 4.6L V8 engine.
Power and Torque Output
- Estimated horsepower (at a specific RPM).
- Estimated torque (at a specific RPM).
- Peak power output.
- Peak torque output.
- Fuel economy ratings (city/highway).
Emissions Standards
- Meets or exceeds applicable emissions regulations.
- Specific emission control technologies employed.
- Catalytic converter specifications.
- Exhaust gas recirculation (EGR) system details.
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Engine Specifications
Overview
- Type
- V8
- Configuration
- Naturally Aspirated
- Platform
- Lexus GS
- Displacement
- 4.6L
- Location
- Front
Dimensions
- Length
- 28.15 in (715.5 mm)
- Width
- 23.38 in (594.5 mm)
- Height
- 20.47 in (520 mm)
- Bore
- 3.625 in (92.1 mm)
- Stroke
- 3.543 in (90.0 mm)
- Cylinder Count
- 8
- Valve Per Cylinder
- 4
- Weight
- 480 lb (218 kg)
- Overall Height
- 21.26 in (539.9 mm)
Materials
- Block
- Cast Iron
- Heads
- Aluminum Alloy
- Connecting Rods
- Forged Steel
- Crankshaft
- Forged Steel
Features
- Fuel System
-
- Multi-port fuel injection
- Sequential fuel injection
- Ignition System
-
- Coil-on-plug ignition
- Electronic ignition
- Cooling System
-
- Liquid cooling
- Water pump
- Radiator
- Thermostat
- Lubrication System
-
- Oil pump
- Oil filter
- Oil pan
- Exhaust System
-
- Catalytic converter
- Exhaust manifold
- Muffler
- Emission Control
-
- Oxygen sensor
- Emissions control system
Safety Features
- Emission Control
- Meeting all EPA standards
- Engine Protection
-
- Overheat protection
- Low-oil pressure protection
- Power Train Safety
- Includes several fail-safes
Comfort Features
- Smooth Operation
- Engine designed for quiet operation
- Efficient Power
- High power output with good fuel economy
- Starting Features
- Easy to start in various conditions
- Vibration Dampening
- Engine designed to minimize vibrations
Accessories
- Auxiliary Components
-
- Alternator
- Power steering pump
- Air conditioning compressor
- Electrical Systems
-
- Wiring harnesses
- Electrical sensors
- Electrical relays
- Emission Control Equipment
-
- Catalytic converter
- Oxygen sensor
- Emissions control system
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Service Items
-
- Oil and filter change
- Fluid top-off
- Component inspection
- Tire pressure check
- Coolant check
- Maintenance Notes
- Regular maintenance is critical for optimal performance and longevity.
Warranty
- Powertrain
- Coverage: 5 years or 60,000 milesTerms: Refer to the owner's manual for details
- Corrosion
- Coverage: 5 years or 100,000 milesTerms: Refer to the owner's manual for details
- Emission Control
- Coverage: 5 years or 60,000 milesTerms: Refer to the owner's manual for details
- Drive Train
- Coverage: 5 years or 60,000 milesTerms: Refer to the owner's manual for details
Production Details
- Manufacturer
- Toyota
- Manufacturing Process
-
- Casting
- Forging
- Machining
- Assembly
- Quality Control
- Testing: Performance testing, Leak testing, Vibration testingStandards: Meeting all relevant industry standards
- Sustainability Practices
- Using recycled materials where possible
- Production Metrics
- High production volume with low defect rate
Service Information for 4.6l v8 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Fluid top-off
- Component inspection
- Coolant check
Refer to the owner's manual for specific procedures
- Oil and filter change
- Fluid top-off
- Component inspection
- Coolant check
- Air Filter Replacement
Refer to the owner's manual for specific procedures
- Oil and filter change
- Fluid top-off
- Component inspection
- Spark plug replacement
- Coolant check
- Fuel filter replacement
Refer to the owner's manual for specific procedures
Common Questions
Find answers to common questions about torque specifications
Q1 Technical specification question (e.g., compatibility)
Technical specification question (e.g., compatibility)
The 4.6L V8 engine in the 2005-2011 Lexus GS is not directly compatible with other Lexus models. Specific component compatibility depends on the year and trim level within the GS lineup. Consult a Lexus service manual for detailed compatibility charts. Ensure proper part identification before installation. This engine is known for high performance but requires specific maintenance and repair procedures.
Q2 Maintenance requirement question
Maintenance requirement question
The 4.6L V8 engine requires regular oil changes (every 3-5,000 miles depending on driving conditions), filter replacements (every 30,000-50,000 miles), and coolant flushes (every 60,000-80,000 miles). Refer to the owner's manual or a Lexus service manual for precise intervals and procedures. Proper maintenance is crucial for optimal engine performance and longevity. Improper maintenance can lead to costly repairs.
Q3 Installation or replacement question
Installation or replacement question
Replacing or installing a 4.6L V8 engine requires specialized tools and expertise. Improper removal or installation can cause damage to the engine or related components. Consult a qualified mechanic or a Lexus-certified technician for a safe and efficient replacement. Thoroughly research the necessary steps and safety precautions before attempting any installation or replacement.
Q4 Troubleshooting question
Troubleshooting question
Common issues include low compression, oil leaks, and misfires. If the engine is running rough, check for loose connections, leaks, and unusual sounds. A diagnostic scan is essential for a precise diagnosis. Consult a Lexus service manual for detailed diagnostic steps and potential causes. It is advisable to consult a qualified mechanic for advanced troubleshooting.
Q5 Performance optimization question
Performance optimization question
Performance can be optimized through proper tuning, ensuring the engine is properly fueled, and maintaining optimal air intake. Check for air leaks, ensuring a clean air filter, and using premium fuel for best performance. Consult a Lexus performance tuning guide for detailed information. Modifying the engine beyond manufacturer specifications may void warranties.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2005-2011 Lexus GS 4.6L V8 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 4.6L V8 engine in the Lexus GS. Includes detailed procedures, diagrams, and specifications.
Technical Bulletin: 4.6L V8 Engine Performance Issues
Coming SoonAddresses common performance issues in the 4.6L engines, including potential causes, diagnostic procedures, and corrective actions.
Lexus GS 2005-2011 Parts Catalog
Coming SoonComprehensive listing of parts for the 4.6L V8 engine in the Lexus GS, including diagrams and specifications.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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