Do you mean you want to slap a h22 head on the h23 also because yes you can interchange parts but what about that little thing VTEC?
An F/H in a Del Sol is the same as any 92-95 Civic with a H swap. Just look for motor mounts and stay away from the $99 EBAY mounts. I think HaSport has a kit and some others out there. You are going to get a lot of people that talk about weight of H22 vs. B-series and that you will have severe understeer and all that stuff. Just research but if you do go with the H22 make sure you have a well done suspension, meaning don't put the H22 in the Del SOL on stock springs. Something stiffer and preferably height adjustable would be good. A little stiffer strut will work also. I say do it.