K24 Engine: Specifications and FAQs

k 24 engine, The K24 engine is part of Honda’s K-series engine family, widely known for its high performance, durability, and reliability. These engines have become popular among automotive enthusiasts, especially in the tuning and performance car communities. This article will cover the key specifications of the K24 engine, its features, and frequently asked questions.

K24 Engine Overview

The K24 engine is a 2.4L, four-cylinder engine produced by Honda. It is part of the K-series, which includes several variations designed to offer a balance of power, efficiency, and reliability. The K24 engine has been used in a variety of Honda’s vehicles, including sedans, hatchbacks, and sportier models like the Honda Civic and CR-V.

The engine is known for its variable valve timing system (i-VTEC), which optimizes engine performance across various driving conditions. The K24 engine family has seen numerous iterations with different configurations and performance levels, making it one of the most versatile engines in Honda’s history.

K24 Engine Specifications

Here’s a breakdown of the key specifications for the K24 engine:

• Engine Type: Inline-4, naturally aspirated
• Displacement: 2.4 liters (2,354 cc)
• Bore x Stroke: 87 mm x 99 mm
• Compression Ratio: 9.8:1 to 10.5:1 (depending on the variant)
• Fuel System: Multi-point fuel injection (MPI)
• Valve Train: DOHC (Dual Overhead Cam), 16 valves (4 per cylinder)
• VTEC System: i-VTEC (Intelligent Variable Valve Timing and Lift Electronic Control)
• Power Output:
  • Varies by model and generation, but typically ranges from 160 to 200 horsepower (118 to 149 kW)
  • Torque: 160 to 180 lb-ft (217 to 244 Nm)
• Fuel Type: Regular gasoline (with higher variants requiring premium)
• Cooling System: Water-cooled, with a typical 6-liter capacity
• Engine Oil Capacity: 4.5 to 5.0 quarts (4.3 to 4.7 liters)
• Transmission: Typically paired with either a 5-speed or 6-speed manual or automatic transmission, depending on the vehicle

K24 Engine Variants

Honda has produced multiple versions of the K24 engine over the years. Some of the most popular include:

1. K24A1 (Found in the 2002-2005 Honda CR-V):
   • Power: 160 hp (119 kW)
   • Torque: 160 lb-ft (217 Nm)
   • i-VTEC technology with lower compression
2. K24A2 (Found in the 2006-2011 Honda Civic Si):
   • Power: 200 hp (149 kW)
   • Torque: 170 lb-ft (230 Nm)
   • Higher compression ratio and tuned for performance
3. K24Z1 (Found in the 2009-2014 Honda Civic):
   • Power: 190 hp (142 kW)
   • Torque: 162 lb-ft (220 Nm)
   • Similar performance to the K24A2 but tuned for efficiency
4. K24A3 (Found in the 2006-2011 Honda Accord):
   • Power: 190 hp (142 kW)
   • Torque: 162 lb-ft (220 Nm)
   • Used in both manual and automatic transmissions

Performance and Reliability

The K24 engine is known for its reliability and performance. The combination of a high-revving nature, excellent torque characteristics, and smooth operation makes it a great choice for various driving situations. With proper maintenance, the K24 can easily last for several hundred thousand miles, making it a favorite among car enthusiasts.

Fuel Economy

Fuel efficiency varies based on the specific model and driving conditions but generally, the K24 engine provides a balance between performance and economy. The average fuel consumption for the K24 engine ranges between 22-28 MPG (miles per gallon), with the higher end being achievable on highway driving.

Tuning Potential

The K24 engine is one of the most tunable engines in Honda’s lineup. Many aftermarket parts and performance modifications are available to boost power output, improve throttle response, and optimize fuel efficiency. With modifications, some enthusiasts have pushed the K24 to well over 300 horsepower (224 kW) in street applications.

FAQs about the K24 Engine

1. What vehicles come with the K24 engine?

The K24 engine has been used in several Honda models, including:

• Honda Civic (Si and others)
• Honda Accord
• Honda CR-V
• Honda Element
• Acura TSX (certain models)

2. How reliable is the K24 engine?

The K24 engine is highly reliable when properly maintained. Regular oil changes, using high-quality fluids, and addressing minor issues before they become major problems can lead to a long lifespan. Many K24 engines are known to run well beyond 200,000 miles with minimal issues.

3. What’s the difference between K20 and K24 engines?

The K20 engine is a 2.0L four-cylinder engine, whereas the K24 is a larger 2.4L four-cylinder engine. The K24 generally offers more torque and better low-end performance due to its larger displacement. Both engines are similar in terms of their design and technology, with the K24 typically offering more power and fuel efficiency at the expense of high-revving performance found in the K20.

4. Can I turbocharge a K24 engine?

Yes, the K24 engine can be turbocharged and is often a popular choice for tuners looking to increase power. A turbocharged K24 can reach power levels over 300 horsepower with the right tuning and supporting modifications.

5. What are the common issues with the K24 engine?

While the K24 is a reliable engine, like any engine, it can have some common issues:

• Oil consumption: Some K24 engines have been known to consume oil over time, particularly in high-mileage vehicles.
• Timing chain tensioner failure: This can lead to engine misfires or poor performance.
• VTEC solenoid failure: A common issue that can lead to the VTEC system not activating properly.

6. How much horsepower can the K24 engine make?

The stock K24 engine produces between 160 and 200 horsepower, depending on the variant. However, with modifications such as a turbocharger, intake systems, exhaust systems, and engine tuning, the K24 engine can reach over 300 horsepower in highly tuned setups.

7. Can I swap a K24 into a Civic or other Honda models?

Yes, the K24 engine is a popular swap for older Honda models, particularly the Civic. The swap typically requires new motor mounts, transmission compatibility, and some wiring work. Many enthusiasts choose the K24 for its increased displacement and performance over the smaller K20 engine.

Conclusion

The Honda K24 engine is a versatile, reliable, and performance-oriented engine that has made its mark in the automotive world. Whether you’re driving a Honda Civic, Accord, or CR-V, the K24 provides an excellent balance of power and efficiency. Thanks to its strong aftermarket support, enthusiasts can easily modify and tune the K24 to meet their performance goals, making it one of the most popular engines for tuning and modification.