Originally posted by jaje
the head swap can be done b/c they are both d series...the sohc vtec should bolt up to it to but i've never done it (it's on a future list of items to do)...the hf isn't a very good block for head swaps b/c the pistons are built for the 8 valve hf head
Right. The head swap CAN'T be done, unless you remove/replace the pistons w/ some Si (d16a6) pistons. Two reliefs per piston for the HF pistons and there are four reliefs needed to use the Si head.
Chris