F Series Engine

SOHC engines

F18A

This engine was used by Honda.
  • Bore × Stroke: 85.0 × 81.5 mm
  • Displacement: 1848 cc
  • Valve Configuration: SOHC, 16 valves
  • 118 bhp up to 1997
  • 105PS @ 6,000 rpm, 14.6 kg m @ 4,000 rpm (PGM-carburetor, Throttle body injection)
  • Fuel consumption : 13.0 km/l
This engine was also used in the Rover 618i, assembled in Swindon at the Honda facility.

F18B

This engine was used for the Honda Accord 1.8 VTS/VTE in Japan. Also found in the European Honda Accord VTEC S.

Specifications

  • Bore × Stroke: 85.0 × 81.5 mm
  • Displacement: 1,849 cc
  • Valve Configuration: SOHC, 16 valves, VTEC
  • Compression ratio: 9.3:1
  • Max power: 138HP (103 kW) @ 6100 rpms
  • Max torque: 124 lb·ft (168 N m) @ 5000 rpms
  • OBD 2 Ecu

F20A

This engine series was used in the Honda Accords and Honda Preludes in Japan and Europe. The DOHC 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 110 PS @ 6000 rpm (carbureted)
  • Max output : F20A3 110 PS @ 6000 rpm (carbureted)
  • Max output : F20A4 135 PS @ 6400 rpm (PGM-FI)
  • Max output : F20A5 135 PS @ 5400 rpm (PGM-FI)
  • Max output : F20A6 90 PS @ 6000 rpm (carbureted)
  • Max output : F20A7 135 PS @ 5600 rpm (PGM-FI)
  • Max output : F20A8 145 PS @ 5600 rpm (PGM-FI)
  • Max torque : F20A2 16.1 kg m @ 3800 rpm (carbureted)
  • Max torque : F20A4 24.5 kg m @ 4300 rpm (PGM-FI)
  • Max torque : F20A7 19.3 kg m @ 4400 rpm (PGM-FI)
  • Max torque : F20A8 138 lb·ft @ 4800 rpm (PGM-FI)
  • Fuel consumption F20A8 Urban - 25 mpg Highway - 34 mpg
  • Fuel consumption (Japan Combined Cycle) : 9.6 km/l (PGM-FI), 9.8 km/l (carbureted)
This engine also spawned many variants, according to market, but the specs remain largely similar.
The F20A5 is used in the CB3 and CB4 Chassis.
The F20A7 is only used in the edm 1992-1993 Accord Coupé (CC1).

F20B

The F20B engine produces 147 kW (200 hp) at 6500 rpm and maximum torque of 186 Nm (147 lb•ft) at 4000 rpm, versus the single-camshaft F20B's 110 kW (147 hp) and 186 Nm (137 lb•ft), respectively. The vehicle's Japanese urban 10/15-mode fuel consumption rating is 12.0 km/L (about 30 mpg)—a 15% improvement over a comparable vehicle powered by the F20B, according to Honda.

Specifications

  • Displacement: 1997 cc
  • Configuration Valve: DOHC, 16 valves, VTEC
  • 200 HP @ 6800 rpm (8200rpm redline)
  • 147 TQ @ 4000 rpm
  • 11.1:1 CR
  • 85mm bore
  • 88mm stroke

F20B3

Used in the Netherlands Belgium and Luxembourg Accord Coupe's CD9 (CD5) and in Honda Accord Aerodeck (Wagon) in Germany
Specifications
  • Displacement: 1997 cc
  • Configuration Valve: SOHC, 16 valves
  • 136 HP
  • 9:1 CR
  • 85mm bore
  • 88mm stroke

F20Z1

This engine series is similar to the F20A above, used in the Honda Accord CE8 in Europe (1996-1998). Also the Rover 620i (same years)

Specifications

  • Displacement: 1997 cc
  • Valve Configuration: SOHC, 16 valves
  • 131 HP @ 5400 rpm
  • 9.5:1 CR
  • 85mm bore
  • 88mm stroke

F20Z2

This engine is older version of F20Z1. This engine was used in the same models like F20Z1 but in years 1993-1996.

Specifications

  • Displacement: 1997 cc
  • Valve Configuration: SOHC, 16 valves
  • 115 HP @ 5300 rpm
  • 9:1 CR
  • 85mm bore
  • 88mm stroke

F22A

This engine series was used in the Honda Accord and Honda 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 (93.21 4 kW) @ 5200 rpm. (Accord DX, LX). The 1992–1996 Prelude S had a F22A1 but because of a different more aggressively tuned ECU (P12), the power output was 135  hp (100 kW).
    • F22A3: 150 hp (110 4 kW) European domestic market engine, with more power due to less strict emission standards.
    • F22A4: 130 hp (96.94 kW) @ 5200 rpm. (Accord EX) The F22A4 is the same motor as the F22A1 but it has slightly more power due to a tubular designed header and slightly bigger exhaust piping.
    • F22A6: 140 hp (104.40 kW) @ 5600 rpm. The F22A6 is the same as the F22A1 except for a slightly more aggressive camshaft, a better flowing cast exhaust manifold, a different more aggressively tuned ECU (PT6), and a different intake manifold that utilizes IAB's and also has a bigger plenum. The F22A6 also has a windage tray in the oil pan, and stiffer valve springs to accommodate the more aggressive camshaft. In cars with an automatic transmission there is an oil cooler present on the back of the block as well.
    • F22A7: 150 hp (110 4 kW) European domestic market engine, with more power due to less strict emission standards. (uses PT4, obd1 ecu) .Compression ratio: 9.8:1.
JDM F22A 190 HP 180 lb . ft* Max torque:
    • F22A1: 137 lb·ft (186 N m) @ 4000 rpm
    • F22A4: 142 lb·ft (193 N m) @ 4000 rpm
    • F22A6: 142 lb·ft (193 N m) @ 4500 rpm
    • F22A7: 145 lb·ft (198 N m) @ 5000 rpm

F22B1

This engine was used in the 1994-1997 Honda Accord EX and the 1997 Acura CL. It was the first F-series engine to feature VTEC. The VTEC on this engine was Honda's VTEC-E system tuned more for fuel efficiency than performance. Specifications
  • Bore × Stroke: 85.0 × 95.0 mm
  • Displacement: 2156 cc
  • Compression ratio: 8.8:1
  • Valve Configuration: SOHC, 16 valves (4 valves per cylinder), VTEC
  • Max power: 145 hp (108 kW) @ 5500 rpm
  • Max torque: 147 lb·ft (199 N m) @ 4500 rpm
  • VTEC Switchover: 2500 rpm
  • Redline: 6200 rpm
  • Rev limit: 6900 rpm
  • Firing order: 1-3-4-2
  • Fuel control: (1994–1995) OBD-I (1996–1998) OBD-II PGM-FI

F22B2

This engine 2.2l was used in the 1994-1997 Honda Accord DX, LX and SE. The F22B6 in the 1995-1997 Honda Odyssey and the F22B8 in the Honda Shuttle are substantially similar. Also the F22B3 engine used in the 1994-1997 Australian and New Zealand Honda Accord LXi are basically the same engine apart from slightly different intake and exhaust manifolds.

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 lb·ft (188 N m) @ 4200 rpm
  • Redline: 6200 rpm
  • Rev limit: 6900 rpm
  • Firing order: 1-3-4-2
  • Fuel control: OBD-I OBD-II PGM-FI
  • "Engines 1.6L - 1.8L the timing should be 5deg in ADVANCE.\ "2.0L - 2.5 timing should be 10deg in ADVANCE.

F22Z2

This engine was used in the EUDM Honda Accord 2.2 VTEC in 96-98.

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 (110 kW) @ 5500 rpm
  • Max torque: 148 lb·ft (200 Nm) @ 4500 rpm

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