LFB479Q 1.8L Engine Long Block
Reliable Power for Lifan X60 820 720 620 Family Cars
The LFB479Q 1.8L Engine Long Block is a reliable, naturally aspirated inline-four engine developed by Lifan Motors. It's designed for vehicles like the Lifan X60, 820, 720, and 620, providing an ideal balance of power, efficiency, and durability for everyday family use.
This engine long block comes fully assembled for easy installation, offering the reliability and performance needed for your family vehicle.
Engine Specifications
| Engine Model |
LFB479Q / LFB479Q-h / LFB479Q/PC |
| Displacement |
1794 mL (1.8L) |
| Bore × Stroke |
79 mm × 91.5 mm |
| Compression Ratio |
10:1 |
| Maximum Power |
98 kW (133 hp) @ 6000 rpm |
| Maximum Torque |
168 N·m @ 4200–4400 rpm |
| Valvetrain |
DOHC, 16 valves |
| Variable Valve Timing |
CVVT (Continuous Variable Valve Timing) |
| Fuel System |
Multi-Point Fuel Injection (Delphi EMS) |
| Timing Mechanism |
Timing Chain (Maintenance-Free) |
| Fuel Type |
92 Octane Gasoline |
| Emission Standards |
Euro IV / Euro V |
Engine Features
- CVVT (Continuous Variable Valve Timing): Optimizes both low-end torque and high-speed power, providing better fuel economy and performance.
- Aluminum Alloy Cylinder Head + Cast Iron Cylinder Block: Offers lightweight construction, excellent heat dissipation, and robust engine durability.
- Timing Chain: Designed to be maintenance-free, reducing long-term maintenance costs.
- Roof-Type Combustion Chamber: Enhances combustion efficiency for better fuel economy and power output.
Performance and Fuel Efficiency
- Low RPM Torque: Smooth torque delivery under 3000 rpm, ideal for city driving.
- High RPM Response: Power kicks in above 4000 rpm, suitable for highway driving.
- Fuel Consumption:
- Official Fuel Consumption: 7.7 L/100 km (combined)
- City Driving: Approximately 9 L/100 km
- Highway Driving: Around 7.5 L/100 km
Transmission Compatibility
- 5-Speed Manual Transmission (MT)
- CVT Continuously Variable Transmission (Available in specific X60, 720, and 820 models)
Common Issues and Maintenance
- Timing Chain Noise: Often caused by worn chain tensioners; requires replacement of tensioner and chain kit.
- Valve Cover Oil Leakage: Caused by aging sealing gaskets; simply replace the gasket.
- CVVT Solenoid Failure: Results in reduced power and increased fuel consumption; clean or replace the solenoid.
- Ignition Coil/Spark Plug Wear: Causes rough idling and poor acceleration; recommended replacement at 40,000–60,000 km.
- Water Pump Leakage: High temperature alert, requires replacement of the water pump and coolant.
Maintenance Recommendations
- Engine Oil: API SG or higher, recommended 5W-30 / 5W-40, approximately 3.5–4L.
- Oil & Filter Change: Every 5000–8000 km
- Air Filter: Every 10,000 km
- Fuel Filter: Every 20,000 km
- Coolant: Replace every 2 years or 40,000 km
- Spark Plugs: Replace every 40,000–60,000 km
- Timing Chain: Inspect at 150,000 km; if no issues, continue using.
Durability and Evaluation
- Mature Engine Design: Known for low maintenance costs and reliable long-term performance.
- Power Output: Average for 1.8L naturally aspirated engines, suitable for everyday driving.
- Off-Road Performance: Proven reliable in off-road events with a high completion rate.
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