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you can use a h23, h22, f22
All will work, it all depends on the app, whether you want vtec or not, and running boost or all motor. What are your intentions with the car. Right now you have a sohc vtec. To keep the vtec you have to go with the h22 head. Which isnt a walk in the park swap. But has been done. If you wanted to make it simple, you can use the f22b dohc non vtec , or the h23 dohc non vtec. That swap is alot easier and can be done in a day. I see no point of the head swap unless you have a bottom end built. Or atleast running boost. Your not going to get hp numbers with either of the head swap. I have seen people mill the shit out of heads and raised the CR and got a little bit more torque.