ECU code: P72 VTEC engagement: 4400 RPM Transmission Y80 (with optional LSD) B18C1 DOHC VTEC Found in: 1994–2001 Acura Integra USDM GS-R (DC2 & DB8) Displacement: Compression: 10.0:1 Bore x Stroke: Rod Length: Rod/Stroke Ratio: 1.60 Power: at 7600 RPM Torque: at 6200 RPM Redline: 8100 rpm (Fuel Cut-off at 8300 RPM) Secondary Runners Open: 5,750 RPM VTEC engagement: 4400 RPM ECU code: P72 B18C2 DOHC VTEC Found in: 1994-2001 Honda Integra AUDM/NZDM VTi-R Compression: 10.0:1 Displacement: Bore x Stroke: Power: at 7300 RPM Torque: 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) ECU code: P72 B18C3 DOHC VTEC Found in: Honda Integra Asian market, Power: at 7600 RPM & at 7500 RPM Compression: 10.8:1 Bore x Stroke: B18C4 VTEC DOHC Found in: 1996–2000 UK Civic VTi 5-door Hatch (MB6) 1996–2000 UK Civic 1.8i VTi-S (Limited Edition) 5-door Hatch (MB6) 1996–2001 UK Civic Aerodeck 1.8i VTi 5-door Wagon (MC2) 1998–1999 EU Civic Aerodeck 1.8i VTi 5-door Wagon (MC2) 1998–1999 EU Civic 1.8i VTi 5-door Hatch (MB6) Displacement: IAB open at 5750 RPM VTEC engagement at 4300 RPM Compression: 10.0:1 Power: at 7600 RPM & at 6200 RPM Limit: 8400 RPM (fuel cut) Transmission: S9B 4.26 final drive Torsen LSD. ECU code: 37820-P9K-E11 (1997-1999) 37820-P9K-G11 (2000-2001) (uses OBD1 type ECU connectors) bore x stroke: B18C5 DOHC VTEC Found in: 1997-1998,1999 CDM, 2000-2001 Acura Integra USDM/CDM Type R Displacement: Compression: 10.6:1 Bore x Stroke: Rod Length: Rod/Stroke Ratio: 1.58 Power: at 7800 RPM & at 7500 RPM Redline: 8400 RPM (Fuel cut-off at 9000 RPM) VTEC engagement: 5700 RPM Transmission: S80 w/LSD B18C6 (Type R) DOHC VTEC Found in: 1998–2001 Honda Integra UKDM/EUDM Type R Displacement: Compression: 11.1:1 Air intake diameter: Bore: Rod Length: Rod/Stroke Ratio: 1.58 Power: at 7900 RPM & at 7300 RPM Redline: 8400 RPM Rev Limit: 8600 RPM VTEC engagement: 5900 RPM Transmission: S80 w/LSD ECU code: 37820-P73-G01 B18C7 (Type R) DOHC VTEC Found in: 1999-2001 Honda Integra AUDM/NZDM Type R Displacement: Compression: 11.1:1 Air intake diameter: Bore x Stroke: Rod Length: Rod/Stroke Ratio: 1.58 Power: at 8200 RPM & at 7500 RPM Redline: 8400 RPM Rev Limit: 8800 RPM VTEC engagement: 5800 RPM B20 B20B-B20B4 1996–1998 specs non-VTEC Found in: USDM and JDM Honda CR-V, JDM Orthia, Stepwgn, S-MX Displacement: Power: at 5400 RPM Torque: at 4800 RPM Rod length: