Infiniti QX70 2014-2017 5.0L V8 Engine Specifications
Explore the detailed 5.0L V8 engine specifications for the 2014-2017 Infiniti QX70. Learn about horsepower, torque, fuel system, and more. Perfect for enthusiasts, mechanics, and owners.
Overview Specifications
This document provides detailed specifications and technical information about the 5.0L V8 engine used in the 2014-2017 Infiniti QX70. It is designed to assist enthusiasts, technicians, and owners in understanding the engine's features, performance, and maintenance requirements. Use the search functionality to locate specific details or navigate through the sections for a comprehensive overview of the engine's capabilities and design.
How to Use
Use the search bar to enter keywords related to the engine specifications, such as 'horsepower' or 'torque'. This will quickly direct you to the relevant sections.
Scroll through the sections or use the table of contents to jump to specific topics. Each section is organized into subsections for easy access to detailed information.
Key Specifications
Displacement
5.0L
Horsepower
390 hp
Torque
369 lb-ft
0-60 mph
5.0 seconds
Fuel Economy
16 mpg combined
Available Specifications
Engine Performance
This section covers the performance metrics of the 5.0L V8 engine, including horsepower, torque, and acceleration. It also highlights the engine's responsiveness and efficiency, making it a standout feature of the Infiniti QX70.
Engine Performance
This section covers the performance metrics of the 5.0L V8 engine, including horsepower, torque, and acceleration. It also highlights the engine's responsiveness and efficiency, making it a standout feature of the Infiniti QX70.
Power Output
- Horsepower: 390 hp @ 6,500 rpm
- Torque: 369 lb-ft @ 4,400 rpm
- 0-60 mph acceleration: 5.0 seconds
- Top speed: 155 mph (electronically limited)
Fuel Efficiency
- City MPG: 14
- Highway MPG: 20
- Combined MPG: 16
- Fuel tank capacity: 23.8 gallons
Engine Design
This section delves into the engineering and design aspects of the 5.0L V8 engine, including its construction, materials, and advanced technologies that contribute to its performance and durability.
Engine Design
This section delves into the engineering and design aspects of the 5.0L V8 engine, including its construction, materials, and advanced technologies that contribute to its performance and durability.
Construction and Materials
- Aluminum block and cylinder heads
- DOHC (Dual Overhead Camshaft) design
- 32-valve configuration
- Forged steel crankshaft
Advanced Technologies
- Direct injection system
- Variable valve timing (VVT)
- Electronic throttle control
- High-flow intake and exhaust systems
Maintenance and Durability
This section provides information on the maintenance requirements and durability features of the 5.0L V8 engine, ensuring long-term reliability and optimal performance.
Maintenance and Durability
This section provides information on the maintenance requirements and durability features of the 5.0L V8 engine, ensuring long-term reliability and optimal performance.
Maintenance Intervals
- Oil change: Every 5,000 miles
- Spark plug replacement: Every 60,000 miles
- Timing chain: Lifetime durability
- Coolant flush: Every 30,000 miles
Durability Features
- High-strength internal components
- Thermal management system
- Corrosion-resistant coatings
- Extended service intervals
Search Specifications
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Engine Specifications
Overview
- Type
- Naturally aspirated V8
- Configuration
- 90-degree V8
- Displacement
- 5.0 liters (4996 cc)
- Valvetrain
- DOHC, 32-valve
- Fuel System
- Direct injection
- Location
- Front longitudinal
Dimensions
- Length
- 29.5 inches (749 mm)
- Width
- 27.6 inches (701 mm)
- Height
- 26.8 inches (681 mm)
- Weight
- 467 lbs (212 kg)
- Bore
- 3.7 inches (94 mm)
- Stroke
- 3.5 inches (89 mm)
- Compression Ratio
- 11.0:1
Materials
- Block
- Aluminum alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Titanium intake, steel exhaust
Features
- Performance
-
- 390 horsepower @ 6500 rpm
- 369 lb-ft torque @ 4400 rpm
- Redline at 7000 rpm
- Efficiency
-
- Variable valve timing (VVT)
- Low-friction piston rings
- Optimized airflow design
- Cooling
-
- Dual-path cooling system
- High-capacity radiator
- Oil cooler
- Ignition
-
- Direct ignition system
- Iridium-tipped spark plugs
- Individual coil-on-plug
- Exhaust
-
- Dual exhaust system
- Stainless steel headers
- Active exhaust valve control
Safety Features
- Engine Protection
-
- Knock sensor system
- Over-rev protection
- Low oil pressure shutdown
- Thermal Management
-
- High-temperature warning system
- Coolant temperature sensor
- Automatic engine fan control
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Tuned intake silencer
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Active engine mounts
Accessories
- Belts
-
- Serpentine belt
- Timing chain
- Accessory drive belt
- Filters
-
- High-flow air filter
- Oil filter
- Fuel filter
- Fluids
-
- Synthetic engine oil
- Coolant
- Power steering fluid
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Spark plug inspection
- Timing chain inspection
- Coolant level check
- Belt tension check
- Maintenance Notes
- Use only manufacturer-recommended fluids and parts
Warranty
- Basic
- Years: 4Miles: 60000Coverage: Bumper-to-bumper
- Powertrain
- Years: 6Miles: 70000Coverage: Engine and transmission
- Corrosion
- Years: 7Miles: UnlimitedCoverage: Perforation only
- Roadside Assistance
- Years: 4Miles: 60000Coverage: 24/7 assistance
Production Details
- Manufacturer
- Nissan Motor Corporation
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser-guided alignment
- Quality Control
- Testing: Cold start testing, Dyno performance testing, Leak testinginspection: Dimensional accuracy, Material integrity, Surface finish
- Sustainability
-
- Recycled aluminum content
- Low-emission manufacturing
- Energy-efficient processes
- Production Metrics
- Units Per Day: 150Defect Rate: 0.02%Energy Usage: 15 kWh per engine
Service Information for 5.0l v8 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect spark plugs
- Check coolant level
- Inspect belts and hoses
- Check engine mounts
Use synthetic 5W-30 oil for optimal performance
- Replace air filter
- Inspect timing chain
- Check fuel system
- Test ignition system
- Inspect exhaust system
Perform diagnostic scan for error codes
- Replace spark plugs
- Replace timing chain
- Flush cooling system
- Inspect valve clearance
- Replace engine mounts
Requires specialized tools and equipment
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 5.0L V8 engine compatible with other Infiniti models?
Is the 5.0L V8 engine compatible with other Infiniti models?
The 5.0L V8 engine is specifically designed for the 2014-2017 Infiniti QX70 and is not compatible with other Infiniti models due to differences in engine mounts, wiring, and ECU configurations. Always verify compatibility with your vehicle's VIN before attempting any modifications or replacements.
Q2 What are the maintenance requirements for the 5.0L V8 engine?
What are the maintenance requirements for the 5.0L V8 engine?
The 5.0L V8 engine requires regular maintenance, including oil changes every 5,000 miles, air filter replacement every 15,000 miles, and spark plug replacement every 60,000 miles. Additionally, inspect the timing belt and coolant system every 30,000 miles to ensure optimal performance and longevity.
Q3 How do I replace the 5.0L V8 engine in my Infiniti QX70?
How do I replace the 5.0L V8 engine in my Infiniti QX70?
Replacing the 5.0L V8 engine involves disconnecting the battery, draining fluids, removing the intake manifold, exhaust system, and engine mounts, and carefully lifting the engine out. Installation requires reversing the process, ensuring proper torque specifications and alignment. Professional assistance is recommended for this complex procedure.
Q4 What should I do if my 5.0L V8 engine is overheating?
What should I do if my 5.0L V8 engine is overheating?
If your engine is overheating, check the coolant level, inspect for leaks, and ensure the radiator fan is functioning. If the issue persists, inspect the thermostat, water pump, and radiator for blockages or malfunctions. Seek professional help if the problem cannot be resolved with basic troubleshooting.
Q5 How can I optimize the performance of my 5.0L V8 engine?
How can I optimize the performance of my 5.0L V8 engine?
To optimize performance, use high-quality synthetic oil, upgrade to a high-flow air intake system, and ensure regular tuning. Consider installing a performance exhaust system and reprogramming the ECU for enhanced power and efficiency. Always adhere to manufacturer guidelines to avoid voiding 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.
Infiniti QX70 5.0L V8 Engine Service Manual
Coming SoonDetailed service manual covering maintenance, repair, and troubleshooting for the 5.0L V8 engine in the 2014-2017 Infiniti QX70.
Technical Service Bulletin for 5.0L V8 Engine
Coming SoonLatest updates and fixes for common issues related to the 5.0L V8 engine, including software updates and part recalls.
Infiniti QX70 Parts and Accessories Catalog
Coming SoonComprehensive catalog of OEM and aftermarket parts and accessories for the 2014-2017 Infiniti QX70, including engine components.
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General Information
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The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
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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