Honda is a well-known name in the automotive industry, renowned for its innovative and reliable engines. Throughout the years, Honda has produced a wide range of engines, each with its own unique characteristics and performance capabilities.
One of these engines is the B18C2. This engine was produced as part of Honda’s line of B-series engines, and was used in several of its high-performance vehicles.
The B18C2 was first introduced in 1994 and was used in the Honda Integra VTi-R, a popular sports compact car. With its high-revving capability and VTEC technology, the B18C2 engine quickly became known for its impressive performance and reliability.
In this blog post, we will be taking a closer look at the specifications and performance of the Honda B18C2 engine. From its displacement and compression ratio to its power and torque output, we will be exploring what makes this engine so special and what it offers to drivers and enthusiasts alike.
Honda B18C2 Engine Overview
The Honda B18C2 engine is a 1.8-liter, inline-four engine that was part of Honda’s B-series engine family. It was specifically designed for high-performance applications and was used in the Honda Integra VTi-R, a popular sports compact car.
One of the standout features of the B18C2 engine is its VTEC (Variable Valve Timing and Lift Electronic Control) technology, which allows for increased horsepower and torque output compared to other engines in its class.
The B18C2 engine has a compression ratio of 10.0:1, which contributes to its high-revving capability and responsive power delivery.
In terms of power and torque, the B18C2 engine produces 170 horsepower at 7300 RPM and 128 lb-ft of torque at 6200 RPM. The engine also features a redline of 8000 RPM, with a fuel cut-off at 8200 RPM.
The VTEC engagement occurs at 4500 RPM, and the intake air control (IAB) engagement takes place at 6000 RPM.
The B18C2 engine was paired with either the Y80 (OBD1) or S80 (OBD2) transmission and was equipped with the P72 ECU code. This engine was known for its smooth and responsive power delivery, making it a popular choice for enthusiasts and tuners alike.
Overall, the Honda B18C2 engine is a highly capable and reliable engine that offers a unique combination of performance and efficiency.
Its VTEC technology and high-revving capability make it a standout engine in its class and a popular choice for those looking to get the most out of their driving experience.
Specification Table for B18C2 Engine
|Displacement||1.8 L; 109.7 cu in (1,797 cc)|
|Bore x Stroke||81 mm × 87.2 mm (3.19 in × 3.43 in)|
|Power||170 hp (127 kW; 172 PS) at 7300 RPM|
|Torque||128 lb⋅ft (174 N⋅m) at 6200 RPM|
|Redline||8000 RPM (Fuel cut-off at 8200 RPM)|
|VTEC Engagement||4500 RPM|
|IAB Engagement||6000 RPM|
|Transmission||Y80 (OBD1) – S80 (OBD2)|
Comparison With Other B18 Family Engine Like B18C1 and B18C3 Table
|Displacement||1.8 L; 109.7 cu in (1,797 cc)||1.8 L; 109.7 cu in (1,797 cc)||1.8 L; 109.7 cu in (1,797 cc)|
|Bore x Stroke||81 mm × 87.2 mm (3.19 in × 3.43 in)||81 mm × 87.2 mm (3.19 in × 3.43 in)||81 mm × 87.2 mm (3.19 in × 3.43 in)|
|Power||170 hp (127 kW; 172 PS) at 7300 RPM||170 hp (127 kW; 172 PS) at 7600 RPM||200 hp (149 kW; 203 PS) at 8200 RPM|
|Torque||128 lb⋅ft (174 N⋅m) at 6200 RPM||128 lb⋅ft (174 N⋅m) at 5500 RPM||156 lb⋅ft (211 N⋅m) at 7200 RPM|
|Redline||8000 RPM (Fuel cut-off at 8200 RPM)||8200 RPM (Fuel cut-off at 8400 RPM)||8400 RPM (Fuel cut-off at 8600 RPM)|
|VTEC Engagement||4500 RPM||5000 RPM||6000 RPM|
|IAB Engagement||6000 RPM||6200 RPM||N/A|
|Transmission||Y80 (OBD1) – S80 (OBD2)||Y80 (OBD1) – S80 (OBD2)||Y80 (OBD1) – S80 (OBD2)|
Note: The above table is a comparison of the most notable specifications between the B18C2, B18C1, and B18C3 engines. The values listed may vary slightly based on the specific application and location of the vehicle.
Head and Valvetrain Specs B18C2 Table
|Valve Configuration||DOHC VTEC|
|Valve Train||VTEC and IAB|
|Intake Valve Diameter||33.5 mm|
|Exhaust Valve Diameter||28.5 mm|
|Intake Valve Lift||11.1 mm|
|Exhaust Valve Lift||10.5 mm|
|Camshaft Type||VTEC hydraulic lash adjuster|
|Valve Springs||Dual with damper|
Note: The above table is a summary of the head and valvetrain specifications for the B18C2 engine. The values listed may vary slightly based on the specific application and location of the vehicle.
The Technologies Used in
1. Vtec (Variable Valve Timing and Lift Electronic Control)
VTEC is Honda’s signature technology that optimizes engine performance by adjusting valve lift and duration. The B18C2 engine is equipped with VTEC that engages at 4500 RPM and provides improved high-RPM performance.
2. Iab (Intake Air Control Valve)
The IAB is an additional component that helps control air flow into the engine. It opens and closes according to engine speed and load, optimizing engine performance and improving fuel efficiency. The IAB engages at 6000 RPM in the B18C2 engine.
3. Dohc (Double Overhead Camshaft)
DOHC is a design that uses two camshafts instead of one, providing greater control over the engine’s valvetrain and improved performance. The B18C2 engine is a DOHC VTEC engine, offering high-RPM performance and efficiency.
4. Vtec Hydraulic Lash Adjuster
The hydraulic lash adjuster is an integral part of the VTEC system that ensures accurate and consistent valve adjustment. It eliminates the need for regular valve adjustments and reduces engine noise and wear.
5. Dual Valve Springs With Damper
The dual valve springs with damper provide improved valve stability and control, ensuring consistent and reliable performance even at high engine speeds.
6. High Compression Ratio
The B18C2 engine has a compression ratio of 10.0:1, allowing for improved engine efficiency and power. This high compression ratio allows for maximum performance from the engine, and provides a strong engine foundation for tuning.
The B18C2 engine, found in the 1994-2001 Honda Integra AUDM/NZDM VTi-R, is known for its high-performance capabilities and efficient operation.
With a maximum power output of 170 horsepower at 7300 RPM and torque of 128 lb-ft at 6200 RPM, the B18C2 engine provides impressive acceleration and speed. The engine’s VTEC and high compression ratio also allow for strong high-RPM performance, with a redline of 8000 RPM and fuel cut-off at 8200 RPM.
2. Fuel Efficiency
Despite its high-performance capabilities, the B18C2 engine is also known for its efficiency. The IAB helps to optimize air flow into the engine, improving fuel efficiency and reducing emissions.
The VTEC hydraulic lash adjuster and dual valve springs with damper provide reliable and consistent engine performance, reducing noise and wear and increasing the engine’s lifespan.
The high compression ratio and strong engine foundation of the B18C2 engine make it a popular choice for engine tuning and modifications. This allows owners to further improve the engine’s performance and power.
In conclusion, the B18C2 engine is a highly capable and efficient engine, providing strong performance and improved fuel efficiency. Its popularity among enthusiasts and tuners is a testament to its impressive capabilities and durability.
What Car Did the B18C2 Come in?
The B18C2 engine was primarily found in the 1994-2001 Honda Integra AUDM/NZDM VTi-R. This compact sports car was known for its handling, performance, and efficiency, making it a popular choice among car enthusiasts.
The B18C2 engine provided a significant boost in performance over previous models, with its high-performance capabilities and efficient operation.
The engine’s popularity among tuners and enthusiasts is a testament to its impressive capabilities and durability.
Other B Series Engines-