Dodge Challenger 2008-present 6.4L Engine Specifications
Explore the detailed 6.4L engine specifications for the 2008-Present Dodge Challenger. Learn about horsepower, torque, fuel systems, and more in this comprehensive technical guide.
Overview Specifications
This document provides detailed specifications and technical information about the 6.4L engine used in the Dodge Challenger from 2008 to the present. It is designed for enthusiasts, mechanics, and anyone interested in understanding the performance and engineering of this powerful engine. Use the search and navigation instructions to quickly find specific details or explore the sections for a comprehensive overview.
How to Use
Use the search bar to enter keywords related to the 6.4L engine, such as 'horsepower' or 'torque'. Results will highlight relevant sections and subsections for quick access.
Scroll through the sections or use the table of contents to jump to specific topics. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Displacement
6.4 liters
Horsepower
485 HP
Torque
475 lb-ft
Fuel Economy
15/25 mpg
Top Speed
182 mph
Available Specifications
Engine Performance
This section covers the performance metrics of the 6.4L engine, including horsepower, torque, and acceleration. It also highlights the engine's capabilities in various driving conditions.
Engine Performance
This section covers the performance metrics of the 6.4L engine, including horsepower, torque, and acceleration. It also highlights the engine's capabilities in various driving conditions.
Horsepower and Torque
- 485 horsepower at 6,100 RPM
- 475 lb-ft of torque at 4,100 RPM
- Optimized for high-performance driving
- Delivers consistent power across the RPM range
Acceleration and Top Speed
- 0-60 mph in 4.3 seconds
- Top speed of 182 mph (electronically limited)
- Quick throttle response for aggressive driving
- Enhanced traction control for better acceleration
Engine Design
This section delves into the engineering and design features of the 6.4L engine, including its construction, materials, and cooling systems.
Engine Design
This section delves into the engineering and design features of the 6.4L engine, including its construction, materials, and cooling systems.
Construction and Materials
- Cast-iron engine block for durability
- Forged steel crankshaft for strength
- Aluminum cylinder heads for weight reduction
- High-flow intake and exhaust manifolds
Cooling and Lubrication
- Dual-coolant system for optimal temperature control
- High-capacity oil pump for improved lubrication
- Oil cooler to maintain engine performance
- Efficient radiator design for heat dissipation
Fuel and Emissions
This section provides details on the fuel efficiency, fuel system, and emissions control technologies used in the 6.4L engine.
Fuel and Emissions
This section provides details on the fuel efficiency, fuel system, and emissions control technologies used in the 6.4L engine.
Fuel System
- Direct fuel injection for precise fuel delivery
- 16.2-gallon fuel tank capacity
- Premium fuel recommended for optimal performance
- Fuel economy: 15 mpg city / 25 mpg highway
Emissions Control
- Meets EPA Tier 3 emissions standards
- Catalytic converters for reduced emissions
- EGR (Exhaust Gas Recirculation) system
- OBD-II compliant for diagnostics
Search Specifications
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Engine Specifications
Overview
- Type
- V8
- Configuration
- Naturally Aspirated
- Platform
- Chrysler HEMI
- Material
- Aluminum Block and Heads
- Location
- Front Longitudinal
Dimensions
- Displacement
- 6.4 liters (392 cubic inches)
- Bore
- 4.09 inches (103.9 mm)
- Stroke
- 3.72 inches (94.6 mm)
- Length
- 29.5 inches (749 mm)
- Width
- 30.7 inches (780 mm)
- Height
- 27.6 inches (701 mm)
- Weight
- 485 lbs (220 kg)
- Oil Capacity
- 7 quarts (6.6 liters)
Materials
- Block
- Cast Aluminum
- Cylinder Heads
- Aluminum
- Pistons
- Forged Aluminum
- Crankshaft
- Forged Steel
- Valves
- Heat-Treated Steel
Features
- Performance
-
- 485 horsepower @ 6,100 rpm
- 475 lb-ft torque @ 4,100 rpm
- High-flow cylinder heads
- Active exhaust system
- Fuel System
-
- Sequential Multi-Port Fuel Injection
- 87 Octane Fuel Capability
- Variable Valve Timing
- Cooling
-
- High-capacity radiator
- Dual electric fans
- Oil cooler
- Ignition
-
- Coil-on-plug ignition
- High-energy spark plugs
- Knock sensor system
- Exhaust
-
- Dual exhaust with active valves
- Stainless steel headers
- Catalytic converters
Safety Features
- Engine Protection
-
- Oil pressure sensor
- Coolant temperature sensor
- Emissions
-
- LEV3 emissions compliance
- Oxygen sensors
- Overheat Protection
-
- High-temperature warning system
- Automatic engine shut-off
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Driveability
-
- Smooth idle control
- Adaptive throttle response
Accessories
- Belts And Pulleys
-
- Serpentine belt
- Tensioner pulley
- Idler pulley
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Crankshaft position sensor
- Camshaft position sensor
- Knock sensor
Maintenance
- Service interval
- Every 6,000 miles or 6 months
- Service Items
-
- Oil and filter change
- Spark plug inspection
- Air filter replacement
- Coolant flush
- Belt and hose inspection
- Maintenance Notes
- Use synthetic oil for optimal performance. Check for oil leaks regularly.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Engine and transmission
- Emissions
- Miles: 80,000Years: 8Coverage: Catalytic converter and sensors
- Corrosion
- Miles: 100,000Years: 5Coverage: Perforation only
Production Details
- Manufacturer
- FCA US LLC
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% engine testingTolerances: Precision machining within 0.001 inches
- Sustainability Practices
-
- Recycled aluminum usage
- Low-emission manufacturing
- Energy-efficient facilities
- Production Metrics
- Units Per Year: Approximately 50,000Lead Time: 4 weeks
Service Information for 6.4l engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect spark plugs
- Check air filter
- Inspect belts and hoses
- Check coolant level
Use synthetic oil for optimal performance.
- Replace air filter
- Replace fuel filter
- Inspect ignition system
- Check exhaust system
- Inspect engine mounts
Ensure all connections are tight and secure.
- Replace spark plugs
- Replace serpentine belt
- Flush coolant system
- Inspect and clean throttle body
- Check and adjust valve clearance
Major service interval; consider professional inspection.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 6.4L engine compatible with all Dodge Challenger models from 2008 to present?
Is the 6.4L engine compatible with all Dodge Challenger models from 2008 to present?
The 6.4L HEMI V8 engine, also known as the 392 HEMI, is compatible with Dodge Challenger models starting from 2011, specifically in the SRT8, Scat Pack, and R/T Scat Pack trims. It is not compatible with earlier models (2008-2010) due to differences in engine architecture and ECU programming. Always verify your vehicle's VIN and trim level before attempting any upgrades or replacements.
Q2 What are the maintenance requirements for the 6.4L engine?
What are the maintenance requirements for the 6.4L engine?
The 6.4L engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 6,000 miles using 5W-40 synthetic oil, air filter replacement every 15,000 miles, and spark plug inspection every 30,000 miles. Additionally, coolant should be flushed every 60,000 miles, and the timing belt should be inspected every 100,000 miles. Adhering to this schedule helps prevent engine wear and prolongs its lifespan.
Q3 How do I replace the 6.4L engine in a Dodge Challenger?
How do I replace the 6.4L engine in a Dodge Challenger?
Replacing the 6.4L engine involves several steps: 1) Disconnect the battery and drain fluids. 2) Remove the intake manifold, exhaust headers, and accessories. 3) Detach the transmission and engine mounts. 4) Use an engine hoist to lift the old engine out. 5) Install the new engine by reversing the steps, ensuring proper torque specifications for bolts and connections. Always refer to the service manual for detailed instructions and safety precautions.
Q4 What should I do if my 6.4L engine is misfiring?
What should I do if my 6.4L engine is misfiring?
Misfiring in the 6.4L engine can result from faulty spark plugs, ignition coils, or fuel injectors. Start by scanning the engine for error codes using an OBD-II scanner. Inspect and replace spark plugs if worn, and test ignition coils for proper function. If the issue persists, check fuel injectors for clogs or leaks. Ensure the air-fuel mixture is balanced and the throttle body is clean. If problems continue, consult a professional mechanic.
Q5 How can I optimize the performance of my 6.4L engine?
How can I optimize the performance of my 6.4L engine?
To optimize the 6.4L engine's performance, consider upgrading the air intake and exhaust systems for better airflow. Use high-performance spark plugs and ignition coils for improved combustion. A custom ECU tune can enhance horsepower and torque. Regularly monitor oil levels and use premium fuel to prevent knocking. Additionally, lightweight pulleys and a performance throttle body can further boost responsiveness and efficiency.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Dodge Challenger 6.4L Engine Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 6.4L HEMI engine. Includes torque specs, wiring diagrams, and step-by-step procedures.
Technical Service Bulletin for 6.4L Engine Updates
Coming SoonLatest updates and fixes for the 6.4L engine, including ECU recalibrations and common issues reported by owners.
6.4L Engine Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 6.4L engine, including performance upgrades and replacement components.
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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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