- Honda F engine
The Honda F-Series engine was Honda's "big block" SOHC inline four, though lower production DOHC versions of the F-series were built. It features an aluminum open deck cast iron sleeved block and aluminum/magnesium cylinder head. Honda's F22B1 Engine won a spot on the Ward's 10 Best Engines List in 1995 and 1996.
OHC engines
F18A
This engine was used by
Honda .* Bore × Stroke: 85.0 × 81.0 mm
* Displacement: 1849 cc
* Valve Configuration:SOHC , 16 valves
* 118 bhp up to 1997
* 105PS @ 6000rpm , 14.6 kg m @ 4000 rpm (PGM-carb)
* Fuel consumption : 13.0 km/lF18B
This engine was used for the
Honda Accord 1.8 VTS inJapan . Also found in the European Honda Accord Vtec S.Specifications
* Bore × Stroke: 85.0 × 81.0 mm
* Displacement: 1849 cc
* Valve Configuration:SOHC , 16 valves,VTEC
* Compression ratio: 9.3:1
* Max power: 138PS (103 kW)
* Max torque: 124 ft·lbf (165 N m)F20A
This engine series was used in the
Honda Accord s inJapan andEurope . TheDOHC F20A was also derived from this engine "(see below)".Specifications
* Bore × Stroke: 85.0 × 88.0 mm
* Displacement: 1997 cc
* Compression ratio : 9.5:1
* Valve Configuration:SOHC , 16 valves
* Max output : F20A2 and F20A4 110 PS @ 6000 rpm (PGM-carb) 133 PS @ 5400 rpm (PGM-Fi),
* Max output : F20A5 135 Ps @ 5400 rpm (PGM-Fi)
* Max output : F20A7 147 PS @ 5600 rpm (PGM-Fi)
* Max torque : F20A2 and F20A4 18.5 kg m @ 4300 rpm (PGM-Fi), 16.1 kg m @ 3800 rpm (PGM-carb)
* Max torque : F20A7 19.3 kg m @ 4400 rpm (PGM-Fi)
* Fuel consumption (Japan Combined Cycle) : 9.6 km/l (PGM-Fi), 9.8 km/l (PGM-carb)This engine also spawned many variants, according to market, but the specs remain largely similar
F20B
This engine series was used in the CF4, CF5, CF9, CL3
Honda Accord andHonda Torneo fromJapan . Also had a DOHC derivative "(see below)"Specifications
* Bore × Stroke: 85.0 × 88.0 mm
* Displacement: 1997 cc
* Configuration Valve:DOHC , 16 valves, VTEC
* Compression ratio: 11.0:1
* Max power: 148 PS (109 kW) @ 6000 rpm (4WD), 150 PS (110 kW) @ 6000 rpm
* Max torque: 183 N m @ 5000 rpm (4WD), 186 N m @ 5000 rpm
*F20Z
This engine series is similar to the F20A above, used in the
Honda Accord inAsia andEurope .Specifications
* Bore × Stroke: 85.0 × 88.0 mm
* Displacement: 1997 cc
* Valve Configuration:SOHC , 16 valvesF22A
This engine series was used in the
Honda Accord andHonda Prelude S. Aside from differences in tuning, these engines are substantially similar.Specifications
* Bore × Stroke: 85.0 × 95.0 mm
* Displacement: 2156 cc
* Valve Configuration:SOHC , 16 valves, Non vtec
* Compression ratio: 8.8:1
* Max power:
**F22A1: 125 hp (93 kW) @ 5200 rpm
**F22A4: 130 hp (97 kW) @ 5200 rpm
**F22A6: 140 hp (104 kW) @ 5600 rpm
**F22A7: 150 hp (110 kW) @ 5900 rpm (147hp/108kW with automatic transmission)
* Max torque:
**F22A1: 137 ft·lbf (186 N m) @ 4000 rpm
**F22A4: 142 ft·lbf (193 N m) @ 4000 rpm
**F22A6: 142 ft·lbf (193 N m) @ 4500 rpm
**F22A7: 145 ft·lbf (198 N m) @ 5000 rpmF22B1
This engine was used in the
Honda Accord EX andAcura CL 2.2 . It was the first F engine to featureVTEC .Specifications
* Bore × Stroke: 85.0 × 95.0 mm
* Displacement: 2156 cc
* Valve Configuration:SOHC , 16 valves,VTEC
* Compression ratio: 8.8:1
* Max power: 145 hp (108 kW) @ 5500 rpm
* Max torque: 147 ft·lbf (199 N m) @ 4500 rpmF22B2
This engine was used in the 1994-1997
Honda Accord DX, LX and SE. The F22B6 in the 1995-1997Honda Odyssey and the F22B8 in theHonda Shuttle are substantially similar.Specifications
* Bore × Stroke: 85.0 × 95.0 mm
* Displacement: 2156 cc
* Valve Configuration:SOHC , 16 valves
* Compression ratio: 8.8:1
* Max power: 135 hp (97 kW) @ 5300 rpm
* Max torque: 139 ft·lbf (188 N m) @ 4200 rpmThe F22B in the BA9 Prelude had a DOHC configuration
JDM engines were stamped only as F22B.
F22Z2
This engine was used in the
Honda Accord 2.2i.Specifications
* Bore × Stroke: 85.0 × 95.0 mm
* Displacement: 2156 cc
* Valve Configuration:SOHC , 16 valves,VTEC
* Compression ratio: 9.3:1
* Max power: 150 hp (112 kW) @ 5500 rpm
* Max torque: 148 ft·lbf (200 Nm) @ 4500 rpmF23A1
This engine was used in the
Honda Accord EX, SE, and LX, and Acura 2.3CL inNorth America .Specifications
* Bore × Stroke: 86.0 × 97.0 mm
* Displacement: 2254 cc
* Valve Configuration:SOHC , 16 valves,VTEC
* Compression ratio: 9.3:1
* Max power: 150 hp (112 kW) @ 5700 rpm
* Max torque: 152 ft·lbf (205 N m) @ 4900 rpmThe F23A4 is substantially similar, but features
ULEV certification with a slight reduction of horsepower: 148 hp (110 kW) with a maximum torque of 148 ft·lbf (200 Nm). This engine has a different exhaust manifold and a 32-bit ECU which uses a wideband oxygen sensor.The 1998
Honda Odyssey and the 1998-1999Isuzu Oasis used the F23A7 engine, which was substantially similar to the F23A1.F23A5
This engine was used in the 1998-2002
Honda Accord DX inNorth America .Specifications
* Bore × Stroke: 86.0 × 97.0 mm
* Displacement: 2254 cc
* Valve Configuration:SOHC , 16 valves
* Compression ratio: 8.8:1
* Max power: 135 hp (100 kW) @ 5500 rpm
* Max torque: 153 ft·lbf (206 Nm) @ 4500 rpmDOHC engines
F20A
This engine was used in the 1990-1993 CB3 and CB4
Honda Accord 2.0Si and Si-T inJapan .Specifications
* Bore × Stroke: 85.0 × 88.0 mm
* Displacement: 1997 cc
* Valve Configuration:DOHC , 16 valves
* Compression ratio: 9.5:1
* Max power: 150 hp (112 kW) @ 6100 rpm
* Max torque: 137 ft·lbf (186 Nm) @ 5000 rpmF20B2
This engine was used in the 1997-2001
Honda Accord SiR and SiR-T (manual) in non-US countries. It uses a DOHC VTEC cylinder head similar to the H22A found in the Prelude but was designed to comply with many countries' sub-2.0 liter tax. The automatic transmission versions received the lower hp version, as it was tuned for more mid-range torque than its manual transmission counterpart.Specifications
* Accord SiR wagon, SiR-T(Type-R) F20B 97-01 2.0L
* Valve train: 4 Cylinder, DOHC VTEC, 16 Valve
* Bore: 85.0mm
* Stroke: 88.0mm
* Displacement: 1997cc
* Torque: 144 LBS-FT @ 5500 RPM
* Horsepower: 200 HP @ 7000 RPM
* Red Line: 7200rpm
* Compression: 11.0:1
* Fuel Control: OBD-2F20C
This engine was a radical departure from previous F engines, and only shared basic dimensions such as bore spacing. It was designed specifically for the
Honda S2000 and shares some engineering with theHonda K engine . A long-stroke F22C1 variant was also produced.F22B
This engine was used in the 1992-1996
Honda Prelude Si inJapan . It is similar to the H23A,.Specifications
* 2.2L
* Bore × Stroke: 85.0 × 95.0 mm
* Displacement: 2156 cc
* Valve Configuration:DOHC , 16 valves
* Compression ratio: 9.3:1
* Max power: 166 hp (119 kW) @ 6000 rpm
* Max torque: 150 ft·lbf (200 N m) @ 5000 rpm
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