1991 Honda Civic Si Engine Specs
The 1991 Honda Civic Si is a classic car that has gained a reputation for its reliability and performance. One of the key factors contributing to its success is its engine. Let’s take a closer look at the engine specifications of the 1991 Honda Civic Si.
Engine Configuration
The 1991 Honda Civic Si is equipped with a 1.6-liter, 4-cylinder engine. This engine is part of Honda’s D16 engine family, known for its efficiency and durability. The engine features Honda’s VTEC (Variable Valve Timing and Lift Electronic Control) system, which enhances both power and fuel efficiency.
- Engine Type: Inline 4-cylinder
- Displacement: 1.6 liters
- Valvetrain: DOHC (Dual Overhead Camshaft)
- VTEC: Yes
The DOHC configuration allows for better control of the intake and exhaust valves, resulting in improved performance. The VTEC system further enhances the engine’s power output by adjusting valve timing and lift for optimal performance at different engine speeds.
Engine Oil Specs & Service Intervals
Proper engine oil maintenance is crucial for the longevity and performance of any vehicle, including the 1991 Honda Civic Si. Here are the engine oil specifications and recommended service intervals for this model:
- Engine Oil Type: 5W-30 or 10W-30
- Oil Capacity: 3.7 quarts (with filter change)
- Oil Filter: Honda OEM or equivalent
It is important to use the recommended engine oil viscosity (5W-30 or 10W-30) to ensure proper lubrication and protection for the engine components. Regular oil changes are essential to maintain the engine’s performance and prevent premature wear.
The recommended service interval for oil changes in the 1991 Honda Civic Si is every 3,000 miles or every 3 months, whichever comes first. However, it is always a good idea to consult the owner’s manual for the specific recommendations based on your driving conditions.
Detailed Engine Specifications
To provide a comprehensive overview of the engine specifications, here is a detailed chart:
| Engine Specifications | 1991 Honda Civic Si |
|---|---|
| Engine Type | Inline 4-cylinder |
| Displacement | 1.6 liters |
| Valvetrain | DOHC |
| VTEC | Yes |
| Horsepower | 108 hp |
| Torque | 100 lb-ft |
| Compression Ratio | 9.2:1 |
| Fuel Delivery | Multi-Point Fuel Injection |
| Fuel Type | Regular Unleaded |
The 1991 Honda Civic Si’s engine delivers a respectable 108 horsepower and 100 lb-ft of torque. With its efficient fuel delivery system and VTEC technology, this engine strikes a balance between performance and fuel economy.
In conclusion, the 1991 Honda Civic Si’s engine specifications, including its 1.6-liter DOHC VTEC configuration, make it a reliable and capable vehicle. By following the recommended engine oil specifications and service intervals, owners can ensure the longevity and optimal performance of this classic car.
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