4G63 8V Sohc to 16V Dohc and strut braces

Hallo to Everyone ! Hope that here will find new frends ! I have 1991 Galant glsi / Make for Europe / with 2.0 4G63 8V /Sohc/ . It is possible to change the cylynder head from 2.0 Dohc 16V /or from some kind of Hyundai with the same Dohc engine / and which parts I must to change if could be possible . Will I become some effects with front and rear strut braces on stock suspension / I'm allready start to make strut braces , maybe I will shoot them if someone are interesting /
P.S. Sorry for my English :cool2:
P.S. Someone from Bulgaria ? :D