The K20 head flows much better. This is why there are lots of K24 block/K20 head hybrids out there. The other thing to consider is many of the K24 equipped vehicles use DBW throttle and not a throttle cable (so you need a new throttle body). If you went ahead and did this swap, a TSX head is a much better candidate. Check out the "All VTECs are not created equal" article on this site. If anything, find a K24 block and another K20 head and make some manly torque. Or make it simple and just replace the head. A Type-S head will need a new ECU to make the VTEC work correctly, as will most other head swaps.
Are you positive it's the whole head that went? It could just be a broken plug.
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"I really like going fast. Just go off and meditate in the wind, you know? As corny as it sounds it works and feels good. It's a good way to just let the weight of the world off every once in a while...you know, is this a big pose? I mean, yes this is a pose! I mean am I driving down the street to not get noticed in this thing? I mean rebellious is what this thing is I would say!!!" -James Hetfield
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