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h and f series specs

The Honda H engine was Honda's high-performance "big block" engine family from the 1990s and early 2000s. It is largely derived from the Honda F engine and shares many design features. It was replaced by the Honda K engine. The primary applications of the H engine series were the fourth- and fifth-generation Honda Prelude, and the fifth- and sixth-generation Honda Accord. It has also enjoyed some success as a racing engine, forming the basis of Honda's Touring car racing engines for many years, and being installed in lightweight chassis (such as the Honda CRX) for use in drag racing.

DOHC engines

H22A
The H22A debuted in 1993 for use in the Honda Prelude VTEC as the H22A1. Versions of the H22A would be the Prelude's signature high-performance engine worldwide until the end of Prelude production in 2001. It was also used in the 1994–1997 Honda Accord SiR and 1998–2002 Honda Accord Euro-R in Japan (however different cams and lightweight crank were used in the Euro R H22A).

Specifications

Bore × Stroke: 87.0 × 90.70 mm
Displacement: 2157 cc (132 cu. in.)
Valve Configuration: DOHC, 16 valves, VTEC
Type: In-line 4 cylinder, aluminum block and head
Compression ratio: 10.0:1 (North America); 10.6–11.0:1 (Japan)
Max power: 190–220 hp (142–164 kW)
Max torque: 156–163 ft·lbf (207–217 Nm)
Redline: 7500 rpm
Engine Control System: Honda Systems PGM-FI with port fuel injection
Valve Gear: Belt-driven dual overhead cams, 4 valves per cylinder, variable timing and lift
Engine Oil Capacity w/ Filter: 5.1 Liters
H22A4

The H22A4 is the designation of the engine used in the Base and Type-SH 97-01 Honda Prelude.

H23A1
The H23A1 was an enlarged version of the F22B, designed for the North American market version of the 1992–1996 Honda Prelude Si.

Specifications

Bore × Stroke: 87.0 × 95.0 mm
Displacement: 2258 cc (138 cu. in.)
Valve Configuration: DOHC, 16 valves
Type: In-line 4 cylinder, aluminum block and head
Compression ratio: 9.8:1
Max power: 160 hp (119 kW)
Max torque: 163 ft·lbf (207 Nm)
Redline: 6500 rpm
Engine Control System: Honda Systems PGM-FI with port fuel injection
Valve Gear: belt-driven dual overhead cams, 4 valves per cylinder
Engine Oil Capacity w/ Filter: 4.5 Liters







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.

SOHC engines

F18A3
This engine was used by Honda and Rover.

Specifications

Bore × Stroke: 85.0 × 81.0 mm
Displacement: 1849 cc
Valve Configuration: SOHC, 16 valves
118bhp upto 1997

F18B
This engine was used for the Honda Accord 1.8 VTS in Japan.

Specifications

Bore × Stroke: 85.0 × 81.0 mm
Displacement: 1849 cc
Valve Configuration: SOHC, 16 valves, VTEC
Compression ratio: 9.3:1
Max power: 138 hp (103 kW)
Max torque: 124 ft·lbf (165 Nm)

F20A
This engine series was used in the 1989-1992 and 1993-1996 Honda Accords in Japan. The DOHC F20A was also derived from this engine (see below).

Specifications

Bore × Stroke: 85.0 × 88.0 mm
Displacement: 1997 cc
Valve Configuration: SOHC, 16 valves

F20Z
This engine series is similar to the F20A above, used in the Honda Accord in Asia and Europe.

Specifications

Bore × Stroke: 85.0 × 88.0 mm
Displacement: 1997 cc
Valve Configuration: SOHC, 16 valves

F22A
This engine series was used in the 1990-1993 Honda Accord, 1992-1996 Honda Prelude S and 1995-1998 Honda Odyssey. 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
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
Max torque:
F22A1: 137 ft·lbf (186 Nm) @ 4000 rpm
F22A4: 142 ft·lbf (193 Nm) @ 4000 rpm
F22A6: 142 ft·lbf (193 Nm) @ 4500 rpm

F22B1
This engine was used in the 1994-1997 Honda Accord EX and Acura 2.2CL. It was the first F engine to feature VTEC. The F22B6 in the 1995-1997 Honda Odyssey and the F22B8 in the Honda Shuttle are substantially similar.

Specifications

Bore × Stroke: 85.0 × 95.0 mm
Displacement: 2156 cc
Valve Configuration: SOHC, 16 valves, VTEC
Compression ratio: 9.2:1
Max power: 145 hp (108 kW) @ 5500 rpm
Max torque: 147 ft·lbf (199 Nm) @ 4500 rpm

F22B2
This engine was used in the 1994-1997 Honda Accord DX and LX.

Specifications

Bore × Stroke: 85.0 × 95.0 mm
Displacement: 2156 cc
Valve Configuration: SOHC, 16 valves
Compression ratio: 8.8:1
Max power: 130 hp (97 kW) @ 5300 rpm
Max torque: 139 ft·lbf (188 Nm) @ 4200 rpm

F22Z2
This engine was used in the 1994-1997 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 rpm

F23A1
This engine was used in the 1998-2002 Honda Accord EX and LX, and Acura 2.3CL in North America. The F23A4 is substantially similar, but features ULEV certification and 148 horsepower and 148 pounds-feet of torque.

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) @ 5500 rpm
Max torque: 152 ft·lbf (205 Nm) @ 4500 rpm

F23A5
This engine was used in the 1998-2002 Honda Accord DX in North 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 rpm

DOHC engines

F20A
This engine was used in the 1990-1993 Honda Accord 2.0Si in Japan.

Specifications

Bore × Stroke: 85.0 × 88.0 mm
Displacement: 1997 cc
Valve Configuration: DOHC, 16 valves
Compression ratio: 9.5:1
Max power: 100 hp (112 kW) @ 6100 rpm
Max torque: 137 ft·lbf (186 Nm) @ 5000 rpm

F20B
This engine was used in the 1998-2002 Honda Accord SiR-T and Type R in non-US countries. It uses a DOHC VTEC cylinder head similar to the H22A found in the Prelude but was desgined 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

Bore × Stroke: 85.0 × 88.0 mm
Displacement: 1997 cc
Valve Configuration: DOHC, 16 valves, VTEC
Compression ratio: 11.0:1
Max power: 180-200 hp (134-149 kW) @ 7000 rpm
Max torque: 141-144 ft·lbf (189 Nm) @ 5500 rpm

F20C
Main article: Honda F20C engine
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 the Honda K engine. A long-stroke F22C1 variant was also produced.


F22B
This engine was used in the 1992-1996 Honda Prelude Si in Japan. It is similar to the H23A.

Specifications

Bore × Stroke: 85.0 × 95.0 mm
Displacement: 2156 cc
Valve Configuration: DOHC, 16 valves
Compression ratio: 9.3:1
Max power: 160 hp (119 kW) @ 6000 rpm
Max torque: 148 ft·lbf (200 Nm) @ 5000rpm

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