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Info

Honda B18 engine

Honda B18 engine

 The Honda B18 engine is built as a pure DOHC engine for the most part as a VTEC engine in compact cars from Honda . It is found in the Civic , CRX, CRX Del Sol , Integra , CR-V and some other models. The displacement ranges from 1,797 cc to 1,834 cc  The power range is from 126 to about 200 hp for the JDM Type R. The production was recorded in 1986 and ended in 2001 with the introduction of the seventh generation of the Civic .

B18A1

  • Found in:1990–1991 Acura Integra USDM "RS/LS/LS Special Edition/GS" (DA9 Liftback/Hatchback, DB1 Sedan)
    • OBD0
    • Displacement: 1,834 cc (111.9 cu in)
    • Compression: 9.2:1
    • Bore: 81 mm (3.2 in)
    • Stroke: 89 mm (3.5 in)
    • Rod Length: 137.01 mm (5.394")
    • Rod/Stroke Ratio: 1.54
    • Redline: 6,500 rpm
    • Rev Limiter: 7,200 rpm
    • Programmed fuel injection
    • Power: 130 bhp (97 kW; 132 PS) @ 6000 rpm & 121 lb⋅ft (164 N⋅m) @ 5000 rpm
    • Transmission: S1, A1, cable.

The Japanese B18A is not considered part of the modern B-series family. This engine shares many characteristics with the B20A/B21 

    • 1986–1989 Accord Aerodeck LXR-S/LX-S (Japan)
    • 1986–1989 Accord EXL-S/EX-S (Japan)
    • 1986–1989 Vigor MXL-S (Japan)
      • Displacement: 1,834 cc (111.9 cu in)
      • Compression: 9.7:1
      • Bore: 81 mm (3.2 in)
      • Stroke: 89 mm (3.5 in)
      • Dual Keihin Carbs
      • Power: 100 hp (75 kW) @ 6100 rpm & 128 lb⋅ft (174 N⋅m) @ 4700 rpm
      • Transmission: A2N5, E2N5

B18A1Non-VTEC

  • Found in: 1992-1993 Acura Integra USDM "GS/LS/LS Special Edition/RS" (DA9 Liftback/Hatchback, DB1 Sedan)
    • OBD1 PR4 ECU
    • Displacement: 1,834 cc (111.9 cu in)
    • Compression: 9.2:1
    • Bore: 81 mm (3.2 in)
    • Stroke: 89 mm (3.5 in)
    • Rod Length: 137.01 mm (5.394")
    • Rod/Stroke Ratio: 1.54
    • Redline: 6700 rpm
    • Rev Limiter: 7200 rpm
    • Programmed fuel injection
    • Power: 140 bhp (104 kW; 142 PS) @ 6300 rpm & 126 lb⋅ft (171 N⋅m) @ 5000 rpm
    • Transmission: YS1, cable. Larger input shaft than 90-91. Uses same clutch as 94+ B series hydro.

B18A2 Non-VTEC

  • Found in: 1990-1993 Honda Integra LS DB1 Sedan (Made in India)
    • OBD0 PR4 ECU
    • Displacement: 1,834 cc (111.9 cu in)
    • Compression: 9.2:1
    • Bore: 81 mm (3.2 in)
    • Stroke: 89 mm (3.5 in)
    • Rod Length: 137.01 mm (5.394")
    • Rod/Stroke Ratio: 1.54
    • Redline: 6500 rpm
    • Rev Limiter: 6700 rpm
    • Programmed fuel injection
    • Power: 140 hp (104 kW; 142 PS) @ 6300 rpm & 126 lb⋅ft (171 N⋅m) @ 5000 rpm
    • Transmission: YS1, cable.

B18B1 Non-VTEC

  • Found in:
    • 94-01 Integra RS/LS/SE/GS - DB7/DC4/DC3
    • 1994–2000 Honda Integra "RS/LS/GS/SE/(GSI Australia)" (DC4/DB7)
    • 1992–1996 JDM Honda Domani (MA5)
    • 1993–1994 JDM Honda Integra (DB7)
    • 1996–1999 JDM Honda Orthia (EL1)
      • Displacement: 1,834 cc (111.9 cu in)
      • Compression: 9.2:1
      • Bore: 81 mm (3.2 in)
      • Stroke: 89 mm (3.5 in)
      • Rod Length: 137.01 mm (5.394")
      • Rod/Stroke Ratio: 1.56
      • Power: 140 bhp (104 kW) @ 6300 rpm & 127 lb⋅ft (172 N⋅m) @ 5200 rpm
      • Redline: 6800 rpm (7200 rpm on JDM Domani)
      • Rev Limit: 7300 rpm
      • Transmission: Y80/S80 Hydraulic
      • JDM version is marked B18B on the block without any number.
      • JDM version has 9.4:1 compression ratio whereas the USDM version has 9.2:1.
      • JDM version's higher compression ratio and factory tuning results in higher torque and power ratings

B18B2 Non-VTEC

  • Found in:
    • 94-01 Integra RS/LS/SE/GS - DB7/DC4/DC3
    • 1994–2001 Honda Integra "RS/LS/GS/SE/(GSI Australia)" (DC4/DB7)
      • Displacement: 1,834 cc (111.9 cu in)
      • Compression: 9.2:1
      • Bore: 81 mm (3.2 in)
      • Stroke: 89 mm (3.5 in)
      • Rod Length: 137.01 mm (5.394")
      • Rod/Stroke Ratio: 1.56
      • Power: 143 bhp (107 kW) @ 6300 rpm & 127 lb⋅ft (172 N⋅m) @ 5200 rpm
      • Redline: 6800 rpm (7200 rpm on JDM Domani)
      • Rev Limit: 7300 rpm
      • Transmission: Y80/S80

B18B3 Non-VTEC

  • Found in: 1992–1995 Honda Civic – Middle East & South Africa Ballade (SR4)
    • Displacement: 1,834 cc (111.9 cu in)
    • Compression: 9.2:1
    • Bore: 81 mm (3.2 in)
    • Stroke: 89 mm (3.5 in)
    • Power: 143 hp (107 kW) @ 6000 rpm & 123 lb⋅ft (167 N⋅m) @ 5000 rpm
    • Transmission: y80

B18B4 Non-VTEC

  • Found in: 1996–2000 Honda Civic – Middle East & South Africa Ballade (SO4)
    • Displacement: 1,834 cc (111.9 cu in)
    • Compression: 9.2:1
    • Bore: 81 mm (3.2 in)
    • Stroke: 89 mm (3.5 in)
    • Power: 103 kW (138 hp) @ 6200 rpm & 126 lb⋅ft (171 N⋅m) @ 4900 rpm
    • Transmission: S4C(non B16A ratios), S80?

JDM B18C Type R DOHC VTEC

  • Identification: PR3 stamp on engine head, top radiator hose connected towards back of head
  • Found in: 1996-2001 Honda Integra JDM Type R (DC2 & DB8)
    • Rev-limit: 8900 rpm
    • Redline: 8300 rpm
    • Power: 197 hp (147 kW) @ 8000 rpm & 133 lb-ft (180 Nm) @ 7200 rpm (96 spec) ; 200 hp (149 kW) @ 8000 rpm & 137 lb-ft (186 Nm) @ 6200 rpm (98 spec)
    • Transmission: S80 with Helical LSD
    • S80 spec: J4D (96 Spec: 4.4 final drive), N3E (98 Spec: 4.785 final drive w/ 1.034 4th & .787 5th Gears)
    • Displacement: 1,797 cc (109.7 cu in)
    • Compression: 11.1:1
    • Bore: 81 mm (3.2 in)
    • Stroke: 87.2 mm (3.4 in)
    • Rod Length: 137.9 mm (5.4 in)
    • Rod/Stroke Ratio: 1.58
    • VTEC Engagement @ 5800 rpm (96 spec) 6000 rpm (98 spec)
    • ECU code: P73-003 (96 spec) P73-013 (98 spec) P73-023 (00 spec)

JDM B18C Type R DOHC VTEC

JDM B18C SiR-G/GSR VTEC

  • Found in:
    • 95-98 Honda Integra JDM SiR/SiR II (DB8, DC2)
    • 98-99 Honda Integra JDM SiR-G (DB8, DC2)
      • Identification top rad hose connected towards front of head
      • Red Line: 8000 rpm
      • Rev-Limit: 8200
      • Power: 132.5 kW (180 PS; 178 bhp) @ 7200 rpm & 126 lb⋅ft (171 N⋅m) @ 6200 rpm
      • Displacement: 1,797 cc (109.7 cu in)
      • Compression: 10.6:1
      • Bore: 81 mm (3.2 in)
      • Stroke: 87.2 mm (3.4 in)
      • 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: 1,797 cc (109.7 cu in)
    • Compression: 10.0:1
    • Bore: 81 mm (3.2 in)
    • Stroke: 87.2 mm (3.4 in)
    • Rod Length: 137.9 mm (5.429 in)
    • Rod/Stroke Ratio: 1.60
    • Power: 170 hp (127 kW) @ 7600 rpm
    • Torque: 128 lb⋅ft (174 N⋅m) @ 6200 rpm
    • Redline: 8100 rpm (Fuel Cut-off @ 8300 rpm)
    • Secondary Runners Open @ 5,750 rpm
    • VTEC Engagement @ 4,800 rpm
    • ECU code: P72

B18C2 DOHC VTEC

  • Found in: 1994-2001 Honda Integra AUDM/NZDM VTi-R
    • Compression: 10.0:1
    • Displacement: 1,797 cc (109.7 cu in)
    • Bore: 81mm
    • Stroke: 87.2mm
    • Power: 170 hp (127 kW) @ 7300 rpm
    • Torque: 128 lb⋅ft (174 N⋅m) @ 6200 rpm
    • Redline: 8000 rpm (Fuel cut-off @ 8200 rpm)
    • VTEC Engagement @ 4500 rpm
    • IAB Engagement @ 6000 rpm
    • Transmission: Y80 (obd1) - S80 (obd2)
    • ECU code: P72

B18C3 DOHC VTEC

  • Found in: Acura Integra Asian market, USDM Acura Integra GSR (2000 model)
    • Power: 190 PS (139 kW; 187 hp) @ 7600 rpm & 128 lb·ft (174 N·m) @ 7500 rpm
    • Compression: 10.8:1
    • Bore: 81mm
    • Stroke: 87.2mm

B18C4 VTEC

  • 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)
    • 1996–2000 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: 1,797 cc (109.7 cu in)
      • IAB open @ 4300 rpm
      • VTEC engagement@ 5750 rpm
      • Compression: 10.0:1
      • Power: 169 hp (126 kW) @ 7600 rpm & 128 lb⋅ft (174 N⋅m) @ 6200 rpm
      • Limit: 8,400 rpm
      • Transmission: S9B 4.26 final drive TORSEN LSD.
      • ECU code: 37820-P9K-E11 (1997-1999) 37820-P9K-G11 (2000-2001)
      • bore: 81
      • stroke 87.2

B18C5 (Type R) DOHC VTEC

  • Found in: 1997-1998,1999 CDM, 2000-2001 Acura Integra USDM/CDM Type R
    • Displacement: 1,797 cc (109.7 cu in)
    • Compression: 10.6:1
    • Bore: 81 mm (3.2 in)
    • Stroke: 87.2 mm (3.4 in)
    • Rod Length: 137.9 mm (5.4 in)
    • Rod/Stroke Ratio: 1.58
    • Power: 195 hp (145 kW) @ 7800 rpm & 130 lb⋅ft (176 N⋅m) @ 7500 rpm
    • Redline: 8400rpm (Fuel cut-off @ 9000rpm)
    • VTEC Engagement @ 5700 rpm
    • Transmission: S80 w/LSD

B18C6 (Type R) DOHC VTEC

  • Found in: 1998–2001 Honda Integra UKDM/EUDM Type R
    • Displacement: 1,797 cc (109.7 cu in)
    • Compression: 11.1:1
    • Air intake diameter: 62 mm (2.4 in)
    • Bore: 81 mm (3.2 in)
    • Stroke: 87.2 mm (3.4 in)
    • Rod Length: 137.9 mm (5.4 in)
    • Rod/Stroke Ratio: 1.58
    • Power: 190 PS (139.7 kW) @ 7900 rpm & 131 lb⋅ft (178 N⋅m) @ 7300 rpm
    • Redline: 8400 rpm
    • Rev-limiter: 8600 rpm
    • VTEC engagement: 5900 rpm
    • Transmission: S80 w/LSD

B18C7 (Type R) DOHC VTEC

  • Found in: 1999-2001 Honda Integra AUDM/NZDM Type R
    • Displacement: 1,797 cc (109.7 cu in)
    • Compression: 11.1:1
    • Air intake diameter: 62 mm (2.4 in)
    • Bore: 81 mm (3.2 in)
    • Stroke: 87.2 mm (3.4 in)
    • Rod Length: 137.9 mm (5.4 in)
    • Rod/Stroke Ratio: 1.58
    • Power: 193 PS/189 hp (141 kW) @ 8200 rpm & 127 ft·lbf/172 N·m @ 7500 rpm
    • Redline: 8400 rpm
    • Rev-limiter: 8600 rpm
    • VTEC engagement: 4300 rpm
Related items
Honda CRX | Honda Type R | Honda Domani | Honda CR-V | Honda CR-X | Honda Integra | Honda related | Petrol Engines | Straight-4 Engines | Honda Accord | Honda Civic

Technical

  • Honda B18 engine Technical details and specifications (1986-2001)

    Honda Model: Civic 1.8 Engine code: B18C4 (1995-2001) Output: 124 @ 7600rpm
    No. of cylinders 4/DOHC
    Capacity 1797 cc
    Compression ratio 10.0:1
    Firing order 1-3-4-2
    Suitable for unleaded petrol Yes
    Ignition Fuel system Make Honda Type PGM-FI
    Combined ignition and fuel ECM Yes
    Diagnostic socket Yes
    Fuel system pressure 3.3-3.8 bar
    Oil pressure 3.5bar @ 3000rpm
    Radiator cap 0.93-1.23 bar
    Thermostat opens 76-80°C
    Maximum cranking amps 97-119 A

    © Motor car History

    codecapacityBore × strokecompressionkW (hp) /1 / minNm / 1 / minInstalled in:
    B18A1834 cc81 × 89 mm9.4: 196 (130) / 6100164/4700
    • 1986-1989 Accord Aerodeck LXR-S / LX-S (Japan)
    • 1986-1989 Accord EXL-S / EX-S (Japan)
    • 1986-1989 Vigor MXL-S (Japan)
    B18A1 (90-91)1834 cc81 × 89 mm9.2: 196 (130) / 6000150/5000
    • 1990-1993 Acura Integra usdm "RS / LS / GS"
    B18A1 (92-93)100 (140) / 6300159/5000
    B18B11834 cc81 × 89 mm9.2: 1106 (142) / 7000172/5200
    • 1994-2001 Acura Integra "RS / LS / GS / SE" (DC4 / DB7)
    B18C1797 cm³81 × 87.2 mm10.6: 1132 (180) / 7200174/6200
    • JDM Honda Integra SiR-G
    11.1: 1147 (200) / 8000172/7500 (96specR) 181/6200 (98specR)
    • JDM Honda Integra Type R
    B18C11797 cm³81 × 87.2 mm10.0: 1125 (170) / 7600173/6200
    • 1994-2001 Honda / Acura Integra GS-R (DC2 & DB8)
    B18C21797 cm³ 10.6: 1125 (170) / 7600175/6200
    • 1994-1999 Honda Integra VTi-R
    • AUDM Spec 1993-1999 Honda Integra VTi-R
    B18C31797 cm³  141 (192) / 8200172/7500
    • 1995-1998 Acura Integra Type R
    B18C41797 cm³ 10.0: 1124 (169) / 7600158/6200
    • 1996-2000 UK Civic 1.8i VTi 5-door Hatch
    • 1996-2000 UK Civic Aerodeck 1.8i VTi 5-Door Wagon
    • 1998-1999 EU Civic Aerodeck 1.8i VTi 5-door Wagon
    • 1998-1999 EU Civic 1.8i VTi 5-door Hatch
    B18C51797 cm³81 × 87.2 mm 141 (192) / 8200172/7500
    • USDM DC2 Acura Integra Type-R (Integra Type-R)
    • 1997-2001 Integra Type-R (99 not installed)
    B18C61797 cm³81 × 87.2 mm11.1: 1140 (190) / 7900178/7300
    • 1998-2001 Honda Integra UK and Euro Spec Type R
    B18C71797 cm³  141 (192) / 8200172/7500
    • 1996- Honda Integra Type R (Australia)
    codetransmissionVTECRedlineInstalled in:
    B18AA2N5, E2N5No 
    • 1986-1989 Accord Aerodeck LXR-S / LX-S (Japan)
    • 1986-1989 Accord EXL-S / EX-S (Japan)
    • 1986-1989 Vigor MXL-S (Japan)
    B18A1 (90-91)S1 (rod)No 
    • 1990-1993 Acura Integra usdm "RS / LS / GS"
    B18A1 (92-93)YS1 (cable) 
    B18B1Y80, S80No 
    • 1994-2001 Acura Integra "RS / LS / GS / SE" (DC4 / DB7)
    B18CS80, Y80, S80 w / LSD, Y80 w / LSDYes- / 8200
    • JDM Honda Integra SiR-G
    J4D (96specR w / LSD) N3E (98specR w / LSD)8400/8600
    • JDM Honda Integra Type R
    B18C1Y80 yesYes 
    • 1994-2001 Honda / Acura Integra GS-R (DC2 & DB8)
    B18C2Y80 (no LSD) 5-speed manual gearshiftYes8200/8300
    • 1994-1999 Honda Integra VTi-R
    • AUDM Spec 1993-1999 Honda Integra VTi-R
    B18C3 Yes 
    • 1995-1998 Acura Integra Type R
    B18C4S9B with LSDYes- / 8200
    • 1996-2000 UK Civic 1.8i VTi 5-door Hatch
    • 1996-2000 UK Civic Aerodeck 1.8i VTi 5-Door Wagon
    • 1998-1999 EU Civic Aerodeck 1.8i VTi 5-door Wagon
    • 1998-1999 EU Civic 1.8i VTi 5-door Hatch
    B18C5S80 with LSDYes 
    • USDM DC2 Acura Integra Type-R (Integra Type-R)
    • 1997-2001 Integra Type-R (99 not installed)
    B18C6S80 with LSDYes8400/8600
    • 1998-2001 Honda Integra UK and Euro Spec Type R
    B18C7 Yes 
    • 1996- Honda Integra Type R (Australia)

     

Service

  • Honda B18 engine Service details (1986-2001)

    Honda Model: Civic 1.8 Engine code: B18C4 (1995-2001) Output: 124 @ 7600rpm
    Spark plugs Original equipment Denso Type K20PR-L11
    Spark plugs Electrode gap 1,1 mm
    Spark plugs Make NGK Type BKR6E-N11
    Valve clearance -INLET 0.15-0.19mm cold
    Valve clearance -EXHAUST 0.17-0.21mm cold
    Engine oil grade - Normal climate 10W/40 SAE or 15W/40 SAE
    Engine oil grade - cold climate 5W/30 SAE
    Engine oil grade - hot climate 20W/40 SAE
    Engine with filter 3.8 litres
    Manual gearbox oil 4/5 speed 2.2 litres
    Cooling system 4.5 litres
    Brake fluid Type DOT 3
    Power steering fluid 1.0 litres
    Air conditioning refrigerant Type R134a quantity 525±25 grams

    © Motor car History

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