1994 Mazda Miata Engine Specs
Engine Configuration
The 1994 Mazda Miata, also known as the MX-5, came equipped with a 1.8-liter inline-four engine. This engine, known as the BP-ZE, was part of Mazda’s B-series engine family. It featured a dual overhead camshaft (DOHC) design with four valves per cylinder, allowing for efficient airflow and improved performance.
The BP-ZE engine in the 1994 Miata had a displacement of 1,839 cc (cubic centimeters) and a bore and stroke of 83 mm x 85 mm. It had a compression ratio of 9.0:1, which contributed to its smooth power delivery and overall performance.
Engine Oil Specs & Service Intervals
Proper engine oil is crucial for maintaining the performance and longevity of any vehicle, including the 1994 Mazda Miata. Here are the engine oil specifications and recommended service intervals for the Miata’s BP-ZE engine:
– Engine Oil Type: The 1994 Miata’s engine requires a high-quality, multi-viscosity engine oil with a viscosity grade of 10W-30 or 5W-30. It is important to use oil that meets the API (American Petroleum Institute) specification of SJ or higher.
– Oil Capacity: The Miata’s BP-ZE engine has an oil capacity of approximately 4.2 liters (4.4 quarts) when changing the oil filter as well.
– Service Intervals: Mazda recommends changing the engine oil and oil filter in the 1994 Miata every 7,500 miles or every 6 months, whichever comes first. Regular oil changes help maintain optimal engine performance and protect vital engine components.
Detailed Engine Specifications
| Engine | BP-ZE |
|---|---|
| Configuration | Inline-four |
| Displacement | 1,839 cc |
| Bore x Stroke | 83 mm x 85 mm |
| Valvetrain | DOHC, 16 valves |
| Compression Ratio | 9.0:1 |
| Maximum Power | 128 hp @ 6,500 rpm |
| Maximum Torque | 110 lb-ft @ 5,500 rpm |
| Fuel Delivery | Sequential Fuel Injection |
| Fuel Requirement | Regular Unleaded (87 octane) |
The 1994 Mazda Miata’s BP-ZE engine delivered a maximum power output of 128 horsepower at 6,500 rpm and a maximum torque of 110 lb-ft at 5,500 rpm. With its lightweight design and responsive engine, the Miata offered an exhilarating driving experience.
In conclusion, the 1994 Mazda Miata’s engine, the BP-ZE, was a well-engineered powerplant that provided impressive performance for its time. With its inline-four configuration, DOHC design, and efficient fuel delivery system, it offered a perfect balance of power and reliability. By adhering to the recommended engine oil specifications and service intervals, Miata owners could ensure their engine’s longevity and enjoy the thrill of driving this iconic sports car for years to come.
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