Dodge Magnum 2005-2008 5.7L Engine Specifications
Explore the detailed 5.7L HEMI engine specifications for the 2005-2008 Dodge Magnum. Learn about horsepower, torque, fuel system, and more for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 5.7L HEMI V8 engine used in the 2005-2008 Dodge Magnum. It is designed to assist enthusiasts, mechanics, and owners in understanding the engine's features, performance, and maintenance requirements. Use the search and navigation instructions to quickly find relevant information. The document is divided into sections covering engine performance, design, and key specifications.
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Key Specifications
Displacement
5.7 liters
Horsepower
340 HP
Torque
390 lb-ft
Fuel Economy
15/22 MPG
Compression Ratio
9.6:1
Available Specifications
Engine Performance
This section covers the performance metrics of the 5.7L HEMI V8 engine, including horsepower, torque, and fuel efficiency. It also includes details on acceleration and towing capabilities.
Engine Performance
This section covers the performance metrics of the 5.7L HEMI V8 engine, including horsepower, torque, and fuel efficiency. It also includes details on acceleration and towing capabilities.
Horsepower and Torque
- 340 horsepower at 5,000 RPM
- 390 lb-ft of torque at 4,000 RPM
- Multi-Displacement System (MDS) for improved fuel efficiency
- Optimized for mid-range power delivery
Fuel Efficiency
- EPA-estimated 15 MPG city / 22 MPG highway
- MDS technology deactivates 4 cylinders under light load
- Designed for 87-octane fuel
- Improved airflow for better combustion efficiency
Engine Design
This section explores the design features of the 5.7L HEMI V8 engine, including its architecture, materials, and advanced technologies.
Engine Design
This section explores the design features of the 5.7L HEMI V8 engine, including its architecture, materials, and advanced technologies.
Architecture
- 90-degree V8 configuration
- Cast iron block with aluminum heads
- Overhead valve (OHV) design
- Two valves per cylinder
Advanced Technologies
- Variable Valve Timing (VVT)
- Electronic Throttle Control (ETC)
- Coil-on-plug ignition system
- High-flow intake and exhaust manifolds
Maintenance and Durability
This section provides information on maintenance schedules, common issues, and the durability of the 5.7L HEMI V8 engine.
Maintenance and Durability
This section provides information on maintenance schedules, common issues, and the durability of the 5.7L HEMI V8 engine.
Maintenance Schedule
- Oil change every 6,000 miles or 6 months
- Spark plug replacement every 30,000 miles
- Air filter replacement every 15,000 miles
- Coolant flush every 100,000 miles
Common Issues
- Lifter and camshaft wear in high-mileage engines
- Exhaust manifold bolts prone to breaking
- Oil consumption in some models
- MDS system may cause rough idling
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Engine Specifications
Overview
- Type
- V8
- Configuration
- 90-degree V
- Platform
- Chrysler HEMI
- Material
- Cast iron block, aluminum heads
- Location
- Front longitudinal
- Displacement
- 5.7 liters (345 cubic inches)
Dimensions
- Length
- 29.5 inches (749 mm)
- Width
- 30.7 inches (780 mm)
- Height
- 27.6 inches (701 mm)
- Weight
- 560 lbs (254 kg)
- Bore
- 3.92 inches (99.5 mm)
- Stroke
- 3.58 inches (90.9 mm)
- Cylinder Spacing
- 4.46 inches (113.3 mm)
- Oil Capacity
- 7 quarts (6.6 liters)
Materials
- Block
- Cast iron
- Cylinder Heads
- Aluminum
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Fuel System
-
- Sequential multi-port fuel injection
- Electronic throttle control
- Variable intake manifold
- Ignition System
-
- Coil-on-plug ignition
- Electronic spark timing
- Knock sensor control
- Cooling System
-
- High-flow water pump
- Dual electric fans
- Thermostatically controlled
- Emissions
-
- EGR system
- Catalytic converters
- OBD-II compliance
- Performance
-
- 345 horsepower @ 5400 RPM
- 375 lb-ft torque @ 4200 RPM
- Variable valve timing
Safety Features
- Engine Management
-
- Fail-safe cooling mode
- Over-rev protection
- Fuel cut-off on impact
- Oil System
-
- Low oil pressure warning
- Oil level sensor
- Cooling
-
- Overheat warning system
- Coolant level sensor
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Climate Impact
-
- Low emissions design
- Efficient combustion
Accessories
- Belts
-
- Serpentine belt
- Timing chain
- Accessory drive belt
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Oxygen sensor
- Crankshaft position sensor
- Camshaft position sensor
Maintenance
- Service interval
- Every 6,000 miles or 6 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter inspection
- Coolant level check
- Belt tension check
- Maintenance Notes
- Use 5W-20 synthetic oil for optimal performance
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Engine and transmission
- Corrosion
- Miles: 100,000Years: 5Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% engine testingTolerances: Micron-level precision
- Sustainability Practices
-
- Recycled materials
- Energy-efficient manufacturing
- Low-emission processes
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%Lead Time: 2 weeks
Service Information for 5.7l engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect air filter
- Check coolant level
- Inspect belts and hoses
- Check battery condition
Use synthetic oil for best performance
- Replace spark plugs
- Inspect ignition system
- Check fuel system
- Inspect exhaust system
- Test emissions system
Ensure proper torque on spark plugs
- Replace timing chain
- Inspect valve train
- Check compression
- Replace water pump
- Flush cooling system
Critical to replace timing components to prevent failure
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 5.7L engine compatible with other Dodge models from 2005-2008?
Is the 5.7L engine compatible with other Dodge models from 2005-2008?
The 5.7L HEMI V8 engine used in the 2005-2008 Dodge Magnum is also compatible with other Dodge models like the Charger, Durango, and Ram 1500 from the same years. However, minor modifications may be required for installation in non-Magnum models due to differences in mounting points, wiring harnesses, and cooling systems. Always verify compatibility with your specific vehicle before proceeding.
Q2 What are the maintenance requirements for the 5.7L engine?
What are the maintenance requirements for the 5.7L engine?
The 5.7L engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 5,000-7,500 miles, air filter replacement every 15,000 miles, and spark plug replacement every 30,000 miles. Additionally, inspect the timing belt, coolant, and transmission fluid periodically. Adhering to the manufacturer’s maintenance schedule is crucial for longevity and reliability.
Q3 How do I replace the 5.7L engine in a Dodge Magnum?
How do I replace the 5.7L engine in a Dodge Magnum?
Replacing the 5.7L engine involves several steps: disconnect the battery, drain fluids, remove the intake manifold, exhaust system, and accessories. Unbolt the engine mounts and transmission, then carefully lift the engine out. Install the new engine by reversing the process, ensuring proper alignment and torque specifications. Refer to the service manual for detailed instructions and torque values.
Q4 What should I do if my 5.7L engine is misfiring?
What should I do if my 5.7L engine is misfiring?
Misfiring in the 5.7L engine can result from faulty spark plugs, ignition coils, or fuel injectors. Start by scanning for error codes using an OBD-II scanner. Inspect and replace spark plugs and ignition coils if necessary. Check fuel injectors for clogs or leaks. If the issue persists, inspect the engine’s compression and timing system for potential problems.
Q5 How can I optimize the performance of my 5.7L engine?
How can I optimize the performance of my 5.7L engine?
To optimize performance, consider upgrading the air intake and exhaust systems for better airflow. Use high-performance spark plugs and synthetic oil for improved efficiency. A custom ECU tune can enhance horsepower and torque. Regularly clean the throttle body and fuel injectors, and ensure the cooling system is functioning properly to prevent overheating during high-performance driving.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2005-2008 Dodge Magnum Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 5.7L engine and other components.
Technical Service Bulletin for 5.7L Engine Updates
Coming SoonDetails common issues, recalls, and updates for the 5.7L engine in 2005-2008 Dodge Magnum models.
Dodge Magnum Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket parts compatible with the 2005-2008 Dodge Magnum, including the 5.7L engine.
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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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