Trying to build power....225 step by step help

The head is the biggest obstacle in the way of power, but to get power it's all the same cam compression porting intake exhaust, just gonna get less for your efforts but nothing wrong with that but 250-300 hp is possible 200-250 hp is more probable,average results, turbo is an option /6 make good turbo engines. You'd be better post this question under the /6 portion of this site. They give you the info you need.