Honda F22B engine (F22A)


  1. Specifications
  2. Overview, problems
  3. Performance tuning

Honda F22B engine specs

 

Manufacturer Honda Motor Company
Also called Honda F22
Production 1991-2003
Cylinder block alloy Aluminum
Configuration Inline-4
Valvetrain DOHC
4 valves per cylinder
SOHC
4 valves per cylinder
Piston stroke, mm (inch) 95 (3.74)
Cylinder bore, mm (inch) 85 (3.35)
Compression ratio 8.8
9.3
9.8
Displacement 2156 cc (131.6 cu in)
Power output 91 kW (125 HP) at 5,200 rpm
95 kW (130 HP) at 5,200 rpm
95 kW (130 HP) at 5,300 rpm
99 kW (135 HP) at 5,200 rpm
102 kW (140 HP) at 5,600 rpm
106 kW (145 HP) at 5,500 rpm
110 kW (150 HP) at 5,900 rpm
117 kW (160 HP) at 6,000 rpm
Torque output 186 Nm (137 lb·ft) at 4,000 rpm
193 Nm (142 lb·ft) at 4,000 rpm
188 Nm (139 lb·ft) at 4,200 rpm
193 Nm (142 lb·ft) at 4,500 rpm
193 Nm (142 lb·ft) at 4,500 rpm
199 Nm (147 lb·ft) at 4,500 rpm
198 Nm (146 lb·ft) at 5,000 rpm
201 Nm (148 lb·ft) at 5,000 rpm
Redline 6,200 (F22B)
6,800 (JDM F22B)
HP per liter 58
60
63
65
67
70
74
Fuel type Gasoline
Weight, kg (lbs) 145 (320) – F22A
Fuel consumption, L/100 km (mpg)
-City

-Highway
-Combined
Honda Accord
11.7 (20)
6.8 (34.5)

8.5 (28)
Turbocharger  Naturally aspirated
Oil consumption, L/1000 km
(qt. per miles)
up to 0.5
(1 qt. per 1200 miles)
Recommended engine oil 5W-20
5W-30
5W-40
10W-30
10W-40
10W-50
15W-40
15W-50
20W-20
Engine oil capacity, L (qt.) 3.8 (4.0)
Oil change interval, km (miles) 5,000-10,000
(3,000-6,000)
Normal engine operating temperature, °C (F) 90-95 (194-203)
Engine lifespan, km (miles)
-Official information
-Real


300,000+ (180,000)
Tuning, HP
-Max HP
-No life span loss

200+

The engine is installed in Honda Accord
Honda Odyssey
Honda Prelude
Acura CL
Honda Ascot Innova
Rover 620i

Honda F22B (F22A) engine reliability, problems and repair

In the beginning of 1991, the 2.2-liter F22 engine was launched. He was part of the Honda F-family, and was developed based on the F20 motor. The F22 cylinder block was made of aluminum and had the height of 219.5 mm, and cylinder bore of 85 mm. Inside the cylinder block, a crankshaft with piston stroke of 95 mm, and short rods (141.5 mm long) are installed. The compression height of F22A and F22B pistons was 30.5 mm. The whole package allowed increasing the displacement to 2.2 liters.
This block was covered with a non-VTEC SOHC head, but there were 4 valves per cylinder. These engines were named F22A. A similar version was made with a VTEC system named F22B SOHC. A modification with non-VTEC DOHC head was also made designated as F22B.
The diameter of valves in engines F22A and F22B was 34 mm for intake and 29 mm for exhaust valves. Your F22 engine uses a timing belt that requires replacement after every 60,000 miles. If the timing belt breaks, your F22A or F22B will bend valves.
You should also remember about the periodic valve adjustment after every 25,000-30,000 miles. The valve clearance for the F22A and F22B1 (cold) engines is as follows: 0.23-0.28 mm for intake valves and 0.28-0.33 mm for exhaust valves.
The valve clearances for a F22B with a DOHC cylinder head: 0.07-0.11 mm for intake valves, 0.15-0.19 mm for exhaust valves.
The firing order of the F22A and F22B engines is 1-3-4-2.
The F22 engine belongs to the Honda F-family, and has much in common with other versions of this series: F18, F20, F20C and F23. F22A and F22B are also very close to the sports H-motors: H22 and H23.
Honda F22A and F22B engines were installed into cars until 2000, then they were replaced by K20A.

Honda F22 engine modifications and differences

1. F22A1 is a usual engine for Honda Accord. Its compression ratio was 8.8, and the power was 125 HP 5,200 rpm, the torque was 186 Nm 4,000 rpm. Especially for USDM Honda Prelude they replaced the ECU and the F22A1 engine boasted 135 HP 5200 rpm and the torque of 203 Nm 4000 rpm.
2. F22A3 and F22A7 were modifications for the European market. They featured the compression ratio of 9.8; here an F22A6 cam, an F22A4 exhaust system were used, which increased power to 150 HP 5,900 rpm, the torque is 198 Nm 5,000 rpm.
3. F22A4 was an analog to F22A1, but here a different exhaust system was used. The power F22A4 was increased to 130 HP 5,200 rpm, the torque was 193 Nm 4,000 rpm.
4. F22A6 was an analogue to F22A1 with modified intake and exhaust systems, an improved camshaft, rigid valve springs and a different ECU. All this allowed to increase the power to 140 HP 5,600 rpm, and the torque to 193 Nm 4,500 rpm.
5. F22A9 is an analogue of F22A6 for Australia.
6. F22B DOHC is an engine with a DOHC cylinder head. These engines had compression ratio of 9.3, and the power was 160 HP 6,000 rpm, the torque was 201 Nm 5,000 rpm.
7. F22B SOHC is an analogue to F22A, but these engines have a VTEC system, which is more focused on fuel economy than on high power. The power of this engine was 145 HP 5,500 rpm, the torque was 200 Nm 4,500 rpm.
8. F22C1 is the top variant of the F22 series, but this engine has very significant differences from the F22B and F22A engines. HERE you can learn everything important about this engine.

Honda F22B (F22A) engine problems and malfunctions

All engines of the F and H families are similar to each other, and their problems are also similar. HERE you can find all major problems of these engines, and their reasons.

Honda F22 engine tuning

Let’s learn how to add some power to your F22A engine, as it has additional reserves. First, you have to buy a cold air intake system, an H23A intake manifold, a 68 mm throttle body, 4-2-1 header and a 2.5 inch aftermarket exhaust system. All these performance parts will provide extra 15 HP.
If you want to get more power, e.g., 200 HP, you will have to spend more money. The stock cylinder head is not too good, it needs port and polish, you should also buy bronze valve guides, Bisimoto level 2 cam (or even better), adjustable cam gear, performance valve springs and retainers and aftermarket valves. But this will not be enough, you will have to increase the compression ratio to 11, which means that you need to buy high compression pistons, lightweight connecting rods, a lightweight flywheel and H22A fuel injectors. All these performance upgrades are to be installed and the ECU should be configured. In the end, it will provide 200 HP at the flywheel, or even little more.
For owners of the F22B engine, the tuning is slightly different, you will need an H22A head, H22A intake and exhaust systems, H22A ECU, but it might be easier to buy H22A Euro R engine and make a swap.

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