Improve Your Honda's Performance with an Engine Swap

Step-by-Step Guide

Do you own a Honda Civic? Are you dissatisfied by your Honda Civic's D15 stock engine performance? Do you want to change your engine to B16, B18, K20 etc., but don't know how? Are you one of those speed-addict guys who want to have more power on your Civic? If your answer is yes, this may help you change your engine into much higher power and push your car to the limits. Of course, if you want to purchase a second car for engine parts, it's a great idea to check out; this is a great site for those who want to find cars at reasonable prices.

To some, the Honda Civic is just a family car with no further expectations. They may not realize that the Honda engine has a tremendous power stored on it, and by installing simple add-ons such as air intake upgrade and high-performance free-flow exhaust, you can feel a better response. However, if you want to go further than that, there's a lot of Honda after market performance parts available in the market for grabs. Whether you have a B or D or H series engine, the Honda engine swap procedure is all same. You have to remove your old motor and change it to bigger power and torque. 

To help you decide what engine fits you. You can choose from this wide range of Honda engines:

  • B16A1 1595cc , 4 cyl, 16 valve DOHC VTEC , 160 bhp @ 7600, 111 lb-ft @ 7000, Redline: 8200 rpm
  • B16A2/A3 1595cc,4 cyl, 16 valve DOHC VTEC , 160 bhp @ 7600,111-ft @ 7000, Redline: 8200 rpm
  • B16A4 1595cc, 4 cyl, 16 valve DOHC VTEC , 170 bhp @ 7800 ,16Nm @ 7300, Redline: 8200 rpm
  • B16B Spec-R1595cc , 4 cyl, 16 valve DOHC VTEC , 185 bhp @ 8200,16.3Nm @ 7600,Redline: 9000 rpm
  • B17 1678cc ,4 cyl, 16 valve DOHC VTEC, 160 bhp @ 7600, 117 lb-ft @ 7000 , Redline: 8000 rpm
  • B18B 1834cc , 4 cyl, 16 valve DOHC, 130 bhp @ 6000,121 lb-ft @ 5000 , Redline: 6500 rpm
  • B18B1 1834cc , 4 cyl, 16 valve DOHC , 140 hp @ 6300,121 lb-ft @ 5200, Redline: 6800 rpm
  • B18C1 1797cc ,4 cyl, 16 valve DOHC VTEC , 170 bhp @ 7600, 128lbs-ft @ 6200, Redline: 8200 rpm
  • B18C Spec-R1797cc ,4 cyl, 16 valve DOHC VTEC, 200ps @ 8000 rmp, 19.0kg/cm2, Redline: 8400 rpm

Other Available Car Engines:

  • K20A3- 2.0L DOHC i-VTEC- '02+ RSX/'02+ Civic Si (160hp)
  • K20A2- 2.0L DOHC i-VTEC- '02+ RSX Type S/'02+ Civic Type R (200hp)
  • K20A- JDM 2.0L DOHC i-VTEC- '02+ Integra Type R (220ps)
  • F20A1- JDM 2.0L DOHC non-VTEC- 90-93 Accord Si (155hp)
  • F20B- JDM 2.0L DOHC VTEC- 90-93 Accord Si-R (190ps)
  • F20C1- 2.0L DOHC VTEC- '00+ S2000 (250ps/240hp)
  • F22A1- USDM 2.2L non-VTEC- 92-96 Prelude S/90-93 (130hp-135hp)
  • H22A1- USDM 2.2L DOHC VTEC- 92-96 Prelude VTEC (190hp)
  • H22A4- 2.2L DOHC VTEC- 97-01 Prelude VTEC/SH (97-98: 195hp / 99-01: 200hp)
  • H22A- JDM 2.2L DOHC VTEC- 92+ Prelude Type-S, 97+ Prelude SiR S Spec. (220ps)
  • H23A1- USDM 2.2L DOHC non-VTEC- Prelude Si (160hp)

To do a Honda engine swap, follow these simple procedures with the help your owner’s manual:

  1. Disconnect the battery positive and negative terminals.
  2. Open the engine hood in a vertical position.
    DO NOT remove the engine hood.
  3. Raise the car to full height. Remove the front wheels and engine splash shield. 
  4. Drain the engine coolant. By loosen the drain plug at the bottom of the radiator tank. 
  5. Drain the transmission oil/fluid.
  6. Drain the engine oil.Man fixing the car's engine
  7. Lower the car. Open the hood as far open as possible.
  8. Remove the strut brace.
  9. Remove the under-hood ABS fuse/relay box.
  10. Remove the air intake duct, the resonator and the air cleaner assembly.
  11. Relieve fuel pressure by slowly loosening the service bolt on the fuel filter about one turn.
  12. Remove the fuel feed hose and evaporative emission control canister hose from the intake manifold.
  13. Remove the throttle cable by loosening the locknut then slip the cable out of the accelerator linkage.
  14. Remove the engine wire harness connectors on the left side of the engine compartment.
  15. Remove the fuel return hose and brake booster vacuum hose.
  16. Remove the engine wire harness connectors, terminal and clamps on the right side of the engine compartment.
  17. Remove the battery cable/starter cable from the under-hood fuse/relay box and ABS power cable from the battery terminal.
  18. Remove the engine ground cable from the cylinder head.
  19. Remove the power steering (P/S) belt and pump. (if equipped - ignore, rather remove the pump lines)
  20. Remove the air conditioning (A/C) belt and compressor. (if equipped)
    DO NOT remove the A/C hoses.
  21. Remove the transmission ground cable and the automatic transmission (ATF) cooler hoses.
  22. Remove the upper and lower radiator hoses and the heater hoses.
  23. Raise the car to full height.
  24. Remove the exhaust pipe and bracket.
  25. Remove the A/T shift cable. (if equipped)
  26. Remove the clutch slave cylinder and pipe hose assembly.
    DO NOT remove the pipe/hose assembly
  27. Remove the shift rod and extension rod.
  28. Remove the damper fork.
  29. Remove the suspension lower arm ball joint with special tool.
  30. Remove the driveshaft.
  31. Lower the car.
  32. Attach the engine chain lifter to the engine.
  33. Remove the left and right front engine mount and brackets.
  34. Remove the rear engine mounting bracket.
  35. Remove the support nuts/bolt and mount bolt, then remove the driver's side engine mount.
  36. Remove the transmission mount nuts. Loosen the mount bolt and pivot the transmission side mount out of the way.
  37. Raise the chain lifter to remove all slack from the chain.
  38. Check that the engine is completely free of vacuum hoses, fuel and coolant hoses, and electrical wiring.
  39. Slowly raise the engine approximately 6 in. Check once again that all hoses and wires have been disconnected from the engine.
  40. Raise the engine all the way and remove it from the car.

Engine Removed!

Now that the Engine is removed, you will need to remove the engine mount. Use a plasma or an acetylene cutter to cut the engine mount. Clean the engine bay first before welding a new engine mount. Then place mounts on motor and position the engine in the bay. Align the engine well and weld the new motor mount securely.

Note: Ask for professional help on engine mount installation and alignment.

List of needed parts:

  • ECU with harness
  • Engine mounts
  • Axles
  • Clutch line
  • Brake lines
  • Fuel line
  • New after market high performance air intake
  • Heater hoses
  • Radiator hoses
  • New clutch w/resurfaced flywheel
  • Cable ties
  • Primary air fuel ratio sensor
  • Shift cables, shift box
  • Black tape
  • Extra wires
  • Engine coolant temp sensor
  • Vacuum hoses
  • Brake booster hose
  • Thin cooling fan
  • Hi-flow exhaust
  • Header

Good luck doing Honda engine swaps!


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