Hope it helps...
I recently purchased a 91 Accord and pulled the F22A4 engine / head assembly out of it to fix my 94 Accord that has a F22B4 engine / head combination. I was told that it would be a pretty clean swap.
The only thing that I've found to work is that the F22A4 head will bolt to the F22B1 engine but these things had to come along with the swap:

- Intake was different
- Exhaust Manifold was different
- Power steering bracket
- Power steering pump
- Power steering hose
- Exhaust down pipe
- Throttle body EFI system
- Some of the vacuum hoses & wires
I decided to stop the bleeding at this point and I'm now currently looking to see if fixing the old head would be worth doing or just find a F22B1 engine to pull the head off of.
I may have called some of these things by the incorrect name but for certain the only thing that did work with the head was the distributor. It wasn't the straight forward "head swap" that I was told it would be.
You might be more tallented than I am but i certainly wasn't in to making the 94 Accord a 91 Accord one piece at a time.
