Description
K Swap EG
A K-swap into an EG (1992-1995 Honda Civic) is one of the most popular and powerful engine swaps in the Honda enthusiast community. The K-series engine, known for its performance and technology (like i-VTEC), transforms the lightweight EG Civic into a high-performance machine. The swap involves replacing the stock D-series or B-series engine with a more modern and powerful K-series engine.
Popular K-Series Engines for a K-Swap:
- K20A (from Civic Type R, Integra Type R):
- Displacement: 2.0L
- Power: ~200-220 horsepower
- VTEC: Yes (i-VTEC on both intake and exhaust cams)
- High-revving engine, known for excellent power delivery and top-end performance.
- K24A2 (from Acura TSX):
- Displacement: 2.4L
- Power: ~200 horsepower (with more torque compared to the K20)
- VTEC: Yes (i-VTEC)
- More low-end torque compared to the K20 due to the larger displacement, making it a popular choice for street and track builds.
- K20Z3 (from 2006-2011 Civic Si):
- Displacement: 2.0L
- Power: ~197 horsepower
- VTEC: Yes (i-VTEC)
- A balanced engine that combines power with reliability.
Components Needed for a K-Swap in an EG:
- K-Series Engine:
- K20 or K24 engine variants (K20A, K20Z, K24A2, etc.) from newer Honda/Acura models are used.
- Transmission:
- A K-series transmission (like the 6-speed from the K20A or K24A2) is necessary for proper integration.
- Optional: LSD (Limited Slip Differential) transmissions are desirable for better traction.
- ECU:
- The ECU is vital for running the K-series engine. A Hondata KPro ECU or similar tuning solution allows proper tuning for a custom setup.
- KPro allows for custom maps, data logging, and managing the VTEC system.
- Conversion Harness:
- A conversion harness (like the ones from Rywire or Hybrid Racing) is needed to make the electrical connections from the K-series engine to the EG Civic’s chassis.
- Motor Mounts:
- Custom K-swap motor mounts are required, as the stock EG mounts are not compatible with the K-series engine.
- Companies like Hasport, Innovative Mounts, and Hybrid Racing produce high-quality mounts specifically designed for K-swaps in the EG.
- Axles:
- K-series specific axles are required. Many kits come with custom axles designed to handle the power of the K-series in the EG chassis.
- Shifter and Cables:
- A K-series shifter and shift cables are needed. K-series engines use a cable shifter system, which is different from the rod linkage used on older engines.
- Hybrid Racing and K-Tuned offer shifter box and cable kits that allow for clean and precise shifting.
- Fuel System:
- Fuel rail upgrades may be needed to support the increased fuel demand of the K-series engine.
- You will need K-series compatible fuel injectors and a high-flow fuel pump.
- Exhaust System:
- A custom exhaust manifold and piping are needed to fit the K-series engine in the EG chassis. Many swap kits include or recommend headers that align with the K-series’ exhaust ports and the EG’s exhaust system.
- Radiator and Cooling:
- The stock EG radiator likely won’t be sufficient for cooling the larger, more powerful K-series engine. A K-swap radiator (side-mount or half-size) is recommended for proper cooling.
- You’ll also need custom radiator hoses and possibly a new fan.
- Throttle Cable:
- A K-series throttle cable is needed to connect to the K-series throttle body.
- Suspension and Brakes (Optional but Recommended):
- With the increased power from the K-series engine, upgrading the suspension and brakes is recommended to handle the extra power and maintain control.
- Consider coilovers, larger brake rotors, and calipers for better handling and stopping power.
Benefits of a K-Swap in an EG Civic:
- Power:
- K-series engines offer significantly more power compared to the stock D-series or even many B-series engines. A stock K20 can push 200 horsepower, and a built K24 can easily reach over 300 horsepower with modifications.
- i-VTEC:
- The i-VTEC system provides great versatility, offering a combination of good low-end torque and top-end power. This makes the K-series engines excellent for both daily driving and track use.
- Reliability:
- The K-series engines are known for their reliability. Even with modifications like turbocharging, the K-series engines can handle the extra power without sacrificing longevity.
- Aftermarket Support:
- The K-series platform has huge aftermarket support, meaning there are many parts available to make the swap easier and to improve performance once the engine is installed.
- Weight Distribution:
- The EG Civic is a lightweight chassis, and while the K-series engine is heavier than the D-series, it is still a great match for the car’s handling dynamics. With proper suspension setup, the K-swap maintains good balance and performance.
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