Nissan H20 Engine Specifications
The Nissan H20 engine is a notable powerplant that has been utilized in various Nissan models, particularly during the 1960s and 1970s. This engine is recognized for its reliability and performance characteristics, making it a popular choice among enthusiasts and restorers of classic Nissan vehicles.
Engine Overview
The H20 engine is a four-cylinder, overhead cam (OHC) engine that was designed to provide a balance of power and efficiency. Below are the detailed specifications of the Nissan H20 engine:
| Specification | Details |
|---|---|
| Engine Type | Inline-4, OHC |
| Displacement | 2.0 liters (1998 cc) |
| Bore x Stroke | 83 mm x 73.7 mm |
| Compression Ratio | 8.5:1 |
| Power Output | 96 hp (71 kW) at 5,600 rpm |
| Torque | 120 Nm (88 lb-ft) at 3,600 rpm |
| Fuel System | Single carburetor |
| Cooling System | Water-cooled |
| Weight | Approximately 120 kg (265 lbs) |
Engine Configuration
The Nissan H20 engine features a straightforward and efficient design that has contributed to its longevity and popularity.
Key Features
– Inline Configuration : The inline-four configuration allows for a compact design, which is beneficial for weight distribution and vehicle dynamics.
– Overhead Camshaft (OHC) : The OHC design improves engine efficiency and allows for higher RPMs compared to older pushrod designs.
– Single Carburetor : The use of a single carburetor simplifies the fuel delivery system, making it easier to maintain and tune.
– Durability : The H20 engine is known for its robust construction, which contributes to its reliability over time.
Engine Oil Specifications
Proper maintenance of the Nissan H20 engine includes using the correct engine oil and adhering to service intervals.
Recommended Engine Oil
– Oil Type : SAE 10W-30 or 20W-50 (depending on climate conditions)
– Oil Capacity : Approximately 4.5 liters (4.8 quarts) with filter change
Oil Change Intervals
– Standard Driving Conditions : Every 5,000 km (3,000 miles) or 6 months, whichever comes first.
– Severe Driving Conditions : Every 3,000 km (1,800 miles) or 3 months, including conditions such as:
– Frequent short trips
– Extreme temperatures
– Heavy towing
Service Intervals
Regular servicing is crucial for the longevity and performance of the Nissan H20 engine. Below are general service intervals for various maintenance tasks.
| Service Task | Interval |
|---|---|
| Oil Change | 5,000 km (3,000 miles) or 6 months |
| Air Filter Replacement | 15,000 km (9,300 miles) |
| Fuel Filter Replacement | 30,000 km (18,600 miles) |
| Spark Plug Replacement | 30,000 km (18,600 miles) |
| Timing Chain Inspection | Every 100,000 km (62,000 miles) |
| Coolant Replacement | Every 2 years or 40,000 km (24,000 miles) |
Additional Maintenance Tips
– Regular Inspections : Check for leaks, unusual noises, and performance issues regularly.
– Use Quality Parts : When replacing components, use OEM or high-quality aftermarket parts to ensure compatibility and reliability.
– Monitor Fluid Levels : Regularly check engine oil, coolant, and other fluid levels to avoid potential issues.
Conclusion
The Nissan H20 engine remains a significant part of Nissan’s legacy, known for its durability and efficiency. Understanding its specifications, proper maintenance practices, and service intervals can help owners maximize the performance and longevity of their vehicles. Whether you are a classic car enthusiast or simply looking to maintain your Nissan, adhering to these guidelines will ensure that your H20 engine continues to run smoothly for years to come.
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