Even if done correctly would you run the risk when you can buy a new head on a 10k plus engine build....

You are pairing different metals and although ok for say small repairs i would not advise a repair in the combustion area.

Also different metals expand and contract at different rates and the cossie head is no different with 17 thou of expansion during running. Hence the sealing issues with head gaskets against a cast iron block. This is why imo the alloy blocked engine is a better way to go.