Not worth it. The head will bolt up - there is some oil passage issues, and a number of problems you will run into when doing the swap. I sarted to research it, it is better to go with the entire h22. If you want some real good tech info on it go to honda-tech.com and do a search. There are threads there that will tell you exactly what you need from each engine and the problems that other people had. My suggestion either turbo the h23 or h22, forget the hybrid.