B18C1 engine and hydraulic manual transmission
into Civic EK (from Integra GS-R)

DC2 Integra GS-R 1994-2001
→
EK Civic EK 1996-2000

Yes: the B18C1 engine and hydraulic manual transmission from the Integra GS-R (1994-2001) fits the Civic EK (1996-2000) — moderate difficulty, modifications required.

Verdict
Fits.
Verified entry · modifications required
Verified ✓
Difficulty
Moderate
Mods
Required
Category
Engine

Installation notes

Yes — the B18C1 engine and transmission from a 1994-2001 Integra GS-R (DC2) fits a 1996-2000 Civic (EK) with 3-bolt B-series engine mounts, an EK B-series adapter harness, B-series axles and a B-series shift linkage. Hasport says its EKSTK3 kit uses the 3-bolt left-hand mount common to B18B and B18C engines, and Innovative sells an EK/EJ/EM1 kit for B or D engines with the 3-bolt GS-R post mount and hydraulic transmission. Innovative says no hood notching is needed with its kit. The B18C1 is rated at 170 hp in the US GS-R.
ModsMods req.

Required modifications

Engine mounts: the B18C uses a 3-bolt GS-R style left-hand (timing side) post mount; use an EK mount kit made for the 3-bolt bracket and hydraulic transmission (Hasport EKSTK3 or the Innovative 10051/B10051 EK B/D 3-bolt hydro kit). Wiring: an adapter harness between the B-series engine harness and the EK chassis wiring (the listed Rywire adapter is built for the 96-98 EK chassis; 99-00 cars need one that matches their wiring). Axles: B-series swap axles for 92-00 Civic with the hydraulic intermediate shaft. Shifter: B-series shift linkage. ECU: one that matches the engine and the chassis OBD version.

Caution

Important caveats

  • 1996-1998 and 1999-2000 EK Civics have different chassis wiring, so the adapter harness must match the model year.
  • DC2 GS-R engines changed from OBD1 (1994-1995) to OBD2 (1996-2001); the ECU and harness choice depends on which engine you have.
  • Polyurethane swap mounts transmit more vibration into the cabin than the OEM fluid-filled mounts.
  • The DB8 is the sedan version of the GS-R with the same engine.

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Reference

B18C specs → D14A1 specs → LEB-H5 specs → B18A1 specs → B18B specs → D16A6 specs → B18B1 specs → B18C1 specs → B18C2 specs → B18C7 specs → D16W4 specs → ED specs → EE specs → EF specs → EG specs → EJ specs → EK specs → EL specs → EM specs → EN specs → ER specs → ES specs → P75 Cylinder Head → PR3-2 Cylinder Head → P72 Cylinder Head → RNE ECU →

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Sources

5 refs
  1. 01 https://hasportperformance.com/products/ekstk3/
  2. 02 https://www.hybrid-racing.com/products/innovative-mounts-ek-civic-bd-3-bolt-hydro-mount-kit
  3. 03 https://www.hybrid-racing.com/products/rywire-b-series-adapter-harness-96-98-civic
  4. 04 https://en.wikipedia.org/wiki/Honda_B_engine
  5. 05 https://www.hybrid-racing.com/products/k-swap-electronics-package-96-98-civic
Submitted by FitMyBuild research Added Updated

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