What is the difference between F22A and F22B SOHC engines?

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.

When did the F-22 become operational capability?

In December 2005, the USAF announced that the F-22 had achieved Initial Operational Capability (IOC). During Exercise Northern Edge in Alaska in June 2006, in simulated combat exercises 12 F-22s of the 94th FS downed 108 adversaries with no losses.

What kind of engine does Honda F22 have?

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.

What is the F22 cylinder block made of?

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.

https://www.youtube.com/watch?v=gyjOCjCFNOE

What is the firing order of the F22B engine?

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.

What kind of valves does a F22B engine have?

Honda F22B (F22A) engine reliability, problems and repair. 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.

Is it possible to tune an F22B engine to H22A?

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.